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Sat, 23 Apr 2022 05:49:45 -0700 From: Vidya Sagar To: , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH V2 7/8] Revert "PCI: tegra194: Rename tegra_pcie_dw to tegra194_pcie" Date: Sat, 23 Apr 2022 18:18:57 +0530 Message-ID: <20220423124858.25946-8-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220423124858.25946-1-vidyas@nvidia.com> References: <20220423124858.25946-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 27c77863-1bc9-4ed8-6a3c-08da2527c2a7 X-MS-TrafficTypeDiagnostic: CH2PR12MB4231:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(83380400001)(316002)(36860700001)(47076005)(8676002)(4326008)(2906002)(82310400005)(70206006)(70586007)(86362001)(36756003)(81166007)(7416002)(5660300002)(356005)(30864003)(8936002)(6666004)(54906003)(508600001)(7696005)(26005)(2616005)(1076003)(186003)(110136005)(336012)(40460700003)(6636002)(426003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2022 12:49:52.3706 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 27c77863-1bc9-4ed8-6a3c-08da2527c2a7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT039.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4231 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org This reverts commit b572569183993b68dec0e990b33641e6f77744ba. It keeps the names of data structures generic and not contain any one particular chip name. This is a preparatory change for the upcoming changes that add support for Tegra234. This has no functional impact. Signed-off-by: Vidya Sagar --- V2: * New addition in V2 based on Bjorn's review comment drivers/pci/controller/dwc/pcie-tegra194.c | 222 ++++++++++----------- 1 file changed, 111 insertions(+), 111 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index cc2678490162..678898985319 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -243,7 +243,7 @@ static const unsigned int pcie_gen_freq[] = { GEN4_CORE_CLK_FREQ }; -struct tegra194_pcie { +struct tegra_pcie_dw { struct device *dev; struct resource *appl_res; struct resource *dbi_res; @@ -287,22 +287,22 @@ struct tegra194_pcie { int ep_state; }; -struct tegra194_pcie_of_data { +struct tegra_pcie_dw_of_data { enum dw_pcie_device_mode mode; }; -static inline struct tegra194_pcie *to_tegra_pcie(struct dw_pcie *pci) +static inline struct tegra_pcie_dw *to_tegra_pcie(struct dw_pcie *pci) { - return container_of(pci, struct tegra194_pcie, pci); + return container_of(pci, struct tegra_pcie_dw, pci); } -static inline void appl_writel(struct tegra194_pcie *pcie, const u32 value, +static inline void appl_writel(struct tegra_pcie_dw *pcie, const u32 value, const u32 reg) { writel_relaxed(value, pcie->appl_base + reg); } -static inline u32 appl_readl(struct tegra194_pcie *pcie, const u32 reg) +static inline u32 appl_readl(struct tegra_pcie_dw *pcie, const u32 reg) { return readl_relaxed(pcie->appl_base + reg); } @@ -314,7 +314,7 @@ struct tegra_pcie_soc { static void apply_bad_link_workaround(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 current_link_width; u16 val; @@ -347,7 +347,7 @@ static void apply_bad_link_workaround(struct pcie_port *pp) static irqreturn_t tegra_pcie_rp_irq_handler(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie *pci = &pcie->pci; struct pcie_port *pp = &pci->pp; u32 val, tmp; @@ -418,7 +418,7 @@ static irqreturn_t tegra_pcie_rp_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -static void pex_ep_event_hot_rst_done(struct tegra194_pcie *pcie) +static void pex_ep_event_hot_rst_done(struct tegra_pcie_dw *pcie) { u32 val; @@ -446,7 +446,7 @@ static void pex_ep_event_hot_rst_done(struct tegra194_pcie *pcie) static irqreturn_t tegra_pcie_ep_irq_thread(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie *pci = &pcie->pci; u32 val, speed; @@ -492,7 +492,7 @@ static irqreturn_t tegra_pcie_ep_irq_thread(int irq, void *arg) static irqreturn_t tegra_pcie_ep_hard_irq(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie_ep *ep = &pcie->pci.ep; int spurious = 1; u32 status_l0, status_l1, link_status; @@ -535,7 +535,7 @@ static irqreturn_t tegra_pcie_ep_hard_irq(int irq, void *arg) return IRQ_HANDLED; } -static int tegra194_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, +static int tegra_pcie_dw_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { /* @@ -552,7 +552,7 @@ static int tegra194_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, return pci_generic_config_read(bus, devfn, where, size, val); } -static int tegra194_pcie_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, +static int tegra_pcie_dw_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { /* @@ -569,8 +569,8 @@ static int tegra194_pcie_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, static struct pci_ops tegra_pci_ops = { .map_bus = dw_pcie_own_conf_map_bus, - .read = tegra194_pcie_rd_own_conf, - .write = tegra194_pcie_wr_own_conf, + .read = tegra_pcie_dw_rd_own_conf, + .write = tegra_pcie_dw_wr_own_conf, }; #if defined(CONFIG_PCIEASPM) @@ -592,7 +592,7 @@ static const u32 event_cntr_data_offset[] = { 0x1dc }; -static void disable_aspm_l11(struct tegra194_pcie *pcie) +static void disable_aspm_l11(struct tegra_pcie_dw *pcie) { u32 val; @@ -601,7 +601,7 @@ static void disable_aspm_l11(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(&pcie->pci, pcie->cfg_link_cap_l1sub, val); } -static void disable_aspm_l12(struct tegra194_pcie *pcie) +static void disable_aspm_l12(struct tegra_pcie_dw *pcie) { u32 val; @@ -610,7 +610,7 @@ static void disable_aspm_l12(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(&pcie->pci, pcie->cfg_link_cap_l1sub, val); } -static inline u32 event_counter_prog(struct tegra194_pcie *pcie, u32 event) +static inline u32 event_counter_prog(struct tegra_pcie_dw *pcie, u32 event) { u32 val; @@ -627,7 +627,7 @@ static inline u32 event_counter_prog(struct tegra194_pcie *pcie, u32 event) static int aspm_state_cnt(struct seq_file *s, void *data) { - struct tegra194_pcie *pcie = (struct tegra194_pcie *) + struct tegra_pcie_dw *pcie = (struct tegra_pcie_dw *) dev_get_drvdata(s->private); u32 val; @@ -658,7 +658,7 @@ static int aspm_state_cnt(struct seq_file *s, void *data) return 0; } -static void init_host_aspm(struct tegra194_pcie *pcie) +static void init_host_aspm(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; u32 val; @@ -686,22 +686,22 @@ static void init_host_aspm(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(pci, PCIE_PORT_AFR, val); } -static void init_debugfs(struct tegra194_pcie *pcie) +static void init_debugfs(struct tegra_pcie_dw *pcie) { debugfs_create_devm_seqfile(pcie->dev, "aspm_state_cnt", pcie->debugfs, aspm_state_cnt); } #else -static inline void disable_aspm_l12(struct tegra194_pcie *pcie) { return; } -static inline void disable_aspm_l11(struct tegra194_pcie *pcie) { return; } -static inline void init_host_aspm(struct tegra194_pcie *pcie) { return; } -static inline void init_debugfs(struct tegra194_pcie *pcie) { return; } +static inline void disable_aspm_l12(struct tegra_pcie_dw *pcie) { return; } +static inline void disable_aspm_l11(struct tegra_pcie_dw *pcie) { return; } +static inline void init_host_aspm(struct tegra_pcie_dw *pcie) { return; } +static inline void init_debugfs(struct tegra_pcie_dw *pcie) { return; } #endif static void tegra_pcie_enable_system_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; u16 val_w; @@ -739,7 +739,7 @@ static void tegra_pcie_enable_system_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_legacy_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; /* Enable legacy interrupt generation */ @@ -760,7 +760,7 @@ static void tegra_pcie_enable_legacy_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_msi_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; /* Enable MSI interrupt generation */ @@ -773,7 +773,7 @@ static void tegra_pcie_enable_msi_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); /* Clear interrupt statuses before enabling interrupts */ appl_writel(pcie, 0xFFFFFFFF, APPL_INTR_STATUS_L0); @@ -798,7 +798,7 @@ static void tegra_pcie_enable_interrupts(struct pcie_port *pp) tegra_pcie_enable_msi_interrupts(pp); } -static void config_gen3_gen4_eq_presets(struct tegra194_pcie *pcie) +static void config_gen3_gen4_eq_presets(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; u32 val, offset, i; @@ -851,10 +851,10 @@ static void config_gen3_gen4_eq_presets(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(pci, GEN3_RELATED_OFF, val); } -static int tegra194_pcie_host_init(struct pcie_port *pp) +static int tegra_pcie_dw_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; pp->bridge->ops = &tegra_pci_ops; @@ -912,10 +912,10 @@ static int tegra194_pcie_host_init(struct pcie_port *pp) return 0; } -static int tegra194_pcie_start_link(struct dw_pcie *pci) +static int tegra_pcie_dw_start_link(struct dw_pcie *pci) { u32 val, offset, speed, tmp; - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); struct pcie_port *pp = &pci->pp; bool retry = true; @@ -980,7 +980,7 @@ static int tegra194_pcie_start_link(struct dw_pcie *pci) val &= ~PCI_DLF_EXCHANGE_ENABLE; dw_pcie_writel_dbi(pci, offset, val); - tegra194_pcie_host_init(pp); + tegra_pcie_dw_host_init(pp); dw_pcie_setup_rc(pp); retry = false; @@ -996,32 +996,32 @@ static int tegra194_pcie_start_link(struct dw_pcie *pci) return 0; } -static int tegra194_pcie_link_up(struct dw_pcie *pci) +static int tegra_pcie_dw_link_up(struct dw_pcie *pci) { - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val = dw_pcie_readw_dbi(pci, pcie->pcie_cap_base + PCI_EXP_LNKSTA); return !!(val & PCI_EXP_LNKSTA_DLLLA); } -static void tegra194_pcie_stop_link(struct dw_pcie *pci) +static void tegra_pcie_dw_stop_link(struct dw_pcie *pci) { - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); disable_irq(pcie->pex_rst_irq); } static const struct dw_pcie_ops tegra_dw_pcie_ops = { - .link_up = tegra194_pcie_link_up, - .start_link = tegra194_pcie_start_link, - .stop_link = tegra194_pcie_stop_link, + .link_up = tegra_pcie_dw_link_up, + .start_link = tegra_pcie_dw_start_link, + .stop_link = tegra_pcie_dw_stop_link, }; -static const struct dw_pcie_host_ops tegra194_pcie_host_ops = { - .host_init = tegra194_pcie_host_init, +static const struct dw_pcie_host_ops tegra_pcie_dw_host_ops = { + .host_init = tegra_pcie_dw_host_init, }; -static void tegra_pcie_disable_phy(struct tegra194_pcie *pcie) +static void tegra_pcie_disable_phy(struct tegra_pcie_dw *pcie) { unsigned int phy_count = pcie->phy_count; @@ -1031,7 +1031,7 @@ static void tegra_pcie_disable_phy(struct tegra194_pcie *pcie) } } -static int tegra_pcie_enable_phy(struct tegra194_pcie *pcie) +static int tegra_pcie_enable_phy(struct tegra_pcie_dw *pcie) { unsigned int i; int ret; @@ -1058,7 +1058,7 @@ static int tegra_pcie_enable_phy(struct tegra194_pcie *pcie) return ret; } -static int tegra194_pcie_parse_dt(struct tegra194_pcie *pcie) +static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) { struct platform_device *pdev = to_platform_device(pcie->dev); struct device_node *np = pcie->dev->of_node; @@ -1154,7 +1154,7 @@ static int tegra194_pcie_parse_dt(struct tegra194_pcie *pcie) return 0; } -static int tegra_pcie_bpmp_set_ctrl_state(struct tegra194_pcie *pcie, +static int tegra_pcie_bpmp_set_ctrl_state(struct tegra_pcie_dw *pcie, bool enable) { struct mrq_uphy_response resp; @@ -1182,7 +1182,7 @@ static int tegra_pcie_bpmp_set_ctrl_state(struct tegra194_pcie *pcie, return tegra_bpmp_transfer(pcie->bpmp, &msg); } -static int tegra_pcie_bpmp_set_pll_state(struct tegra194_pcie *pcie, +static int tegra_pcie_bpmp_set_pll_state(struct tegra_pcie_dw *pcie, bool enable) { struct mrq_uphy_response resp; @@ -1210,7 +1210,7 @@ static int tegra_pcie_bpmp_set_pll_state(struct tegra194_pcie *pcie, return tegra_bpmp_transfer(pcie->bpmp, &msg); } -static void tegra_pcie_downstream_dev_to_D0(struct tegra194_pcie *pcie) +static void tegra_pcie_downstream_dev_to_D0(struct tegra_pcie_dw *pcie) { struct pcie_port *pp = &pcie->pci.pp; struct pci_bus *child, *root_bus = NULL; @@ -1248,7 +1248,7 @@ static void tegra_pcie_downstream_dev_to_D0(struct tegra194_pcie *pcie) } } -static int tegra_pcie_get_slot_regulators(struct tegra194_pcie *pcie) +static int tegra_pcie_get_slot_regulators(struct tegra_pcie_dw *pcie) { pcie->slot_ctl_3v3 = devm_regulator_get_optional(pcie->dev, "vpcie3v3"); if (IS_ERR(pcie->slot_ctl_3v3)) { @@ -1269,7 +1269,7 @@ static int tegra_pcie_get_slot_regulators(struct tegra194_pcie *pcie) return 0; } -static int tegra_pcie_enable_slot_regulators(struct tegra194_pcie *pcie) +static int tegra_pcie_enable_slot_regulators(struct tegra_pcie_dw *pcie) { int ret; @@ -1307,7 +1307,7 @@ static int tegra_pcie_enable_slot_regulators(struct tegra194_pcie *pcie) return ret; } -static void tegra_pcie_disable_slot_regulators(struct tegra194_pcie *pcie) +static void tegra_pcie_disable_slot_regulators(struct tegra_pcie_dw *pcie) { if (pcie->slot_ctl_12v) regulator_disable(pcie->slot_ctl_12v); @@ -1315,7 +1315,7 @@ static void tegra_pcie_disable_slot_regulators(struct tegra194_pcie *pcie) regulator_disable(pcie->slot_ctl_3v3); } -static int tegra_pcie_config_controller(struct tegra194_pcie *pcie, +static int tegra_pcie_config_controller(struct tegra_pcie_dw *pcie, bool en_hw_hot_rst) { int ret; @@ -1412,7 +1412,7 @@ static int tegra_pcie_config_controller(struct tegra194_pcie *pcie, return ret; } -static void tegra_pcie_unconfig_controller(struct tegra194_pcie *pcie) +static void tegra_pcie_unconfig_controller(struct tegra_pcie_dw *pcie) { int ret; @@ -1440,7 +1440,7 @@ static void tegra_pcie_unconfig_controller(struct tegra194_pcie *pcie) pcie->cid, ret); } -static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) +static int tegra_pcie_init_controller(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; struct pcie_port *pp = &pci->pp; @@ -1450,7 +1450,7 @@ static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) if (ret < 0) return ret; - pp->ops = &tegra194_pcie_host_ops; + pp->ops = &tegra_pcie_dw_host_ops; ret = dw_pcie_host_init(pp); if (ret < 0) { @@ -1465,11 +1465,11 @@ static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) return ret; } -static int tegra_pcie_try_link_l2(struct tegra194_pcie *pcie) +static int tegra_pcie_try_link_l2(struct tegra_pcie_dw *pcie) { u32 val; - if (!tegra194_pcie_link_up(&pcie->pci)) + if (!tegra_pcie_dw_link_up(&pcie->pci)) return 0; val = appl_readl(pcie, APPL_RADM_STATUS); @@ -1481,12 +1481,12 @@ static int tegra_pcie_try_link_l2(struct tegra194_pcie *pcie) 1, PME_ACK_TIMEOUT); } -static void tegra194_pcie_pme_turnoff(struct tegra194_pcie *pcie) +static void tegra_pcie_dw_pme_turnoff(struct tegra_pcie_dw *pcie) { u32 data; int err; - if (!tegra194_pcie_link_up(&pcie->pci)) { + if (!tegra_pcie_dw_link_up(&pcie->pci)) { dev_dbg(pcie->dev, "PCIe link is not up...!\n"); return; } @@ -1543,15 +1543,15 @@ static void tegra194_pcie_pme_turnoff(struct tegra194_pcie *pcie) appl_writel(pcie, data, APPL_PINMUX); } -static void tegra_pcie_deinit_controller(struct tegra194_pcie *pcie) +static void tegra_pcie_deinit_controller(struct tegra_pcie_dw *pcie) { tegra_pcie_downstream_dev_to_D0(pcie); dw_pcie_host_deinit(&pcie->pci.pp); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); } -static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) +static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie) { struct device *dev = pcie->dev; char *name; @@ -1578,7 +1578,7 @@ static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) goto fail_pm_get_sync; } - pcie->link_state = tegra194_pcie_link_up(&pcie->pci); + pcie->link_state = tegra_pcie_dw_link_up(&pcie->pci); if (!pcie->link_state) { ret = -ENOMEDIUM; goto fail_host_init; @@ -1603,7 +1603,7 @@ static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) return ret; } -static void pex_ep_event_pex_rst_assert(struct tegra194_pcie *pcie) +static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie) { u32 val; int ret; @@ -1642,7 +1642,7 @@ static void pex_ep_event_pex_rst_assert(struct tegra194_pcie *pcie) dev_dbg(pcie->dev, "Uninitialization of endpoint is completed\n"); } -static void pex_ep_event_pex_rst_deassert(struct tegra194_pcie *pcie) +static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; struct dw_pcie_ep *ep = &pci->ep; @@ -1807,7 +1807,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra194_pcie *pcie) static irqreturn_t tegra_pcie_ep_pex_rst_irq(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; if (gpiod_get_value(pcie->pex_rst_gpiod)) pex_ep_event_pex_rst_assert(pcie); @@ -1817,7 +1817,7 @@ static irqreturn_t tegra_pcie_ep_pex_rst_irq(int irq, void *arg) return IRQ_HANDLED; } -static int tegra_pcie_ep_raise_legacy_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_legacy_irq(struct tegra_pcie_dw *pcie, u16 irq) { /* Tegra194 supports only INTA */ if (irq > 1) @@ -1829,7 +1829,7 @@ static int tegra_pcie_ep_raise_legacy_irq(struct tegra194_pcie *pcie, u16 irq) return 0; } -static int tegra_pcie_ep_raise_msi_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_msi_irq(struct tegra_pcie_dw *pcie, u16 irq) { if (unlikely(irq > 31)) return -EINVAL; @@ -1839,7 +1839,7 @@ static int tegra_pcie_ep_raise_msi_irq(struct tegra194_pcie *pcie, u16 irq) return 0; } -static int tegra_pcie_ep_raise_msix_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_msix_irq(struct tegra_pcie_dw *pcie, u16 irq) { struct dw_pcie_ep *ep = &pcie->pci.ep; @@ -1853,7 +1853,7 @@ static int tegra_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, u16 interrupt_num) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); switch (type) { case PCI_EPC_IRQ_LEGACY: @@ -1894,7 +1894,7 @@ static const struct dw_pcie_ep_ops pcie_ep_ops = { .get_features = tegra_pcie_ep_get_features, }; -static int tegra_pcie_config_ep(struct tegra194_pcie *pcie, +static int tegra_pcie_config_ep(struct tegra_pcie_dw *pcie, struct platform_device *pdev) { struct dw_pcie *pci = &pcie->pci; @@ -1955,12 +1955,12 @@ static int tegra_pcie_config_ep(struct tegra194_pcie *pcie, return 0; } -static int tegra194_pcie_probe(struct platform_device *pdev) +static int tegra_pcie_dw_probe(struct platform_device *pdev) { - const struct tegra194_pcie_of_data *data; + const struct tegra_pcie_dw_of_data *data; struct device *dev = &pdev->dev; struct resource *atu_dma_res; - struct tegra194_pcie *pcie; + struct tegra_pcie_dw *pcie; struct pcie_port *pp; struct dw_pcie *pci; struct phy **phys; @@ -1986,7 +1986,7 @@ static int tegra194_pcie_probe(struct platform_device *pdev) pcie->dev = &pdev->dev; pcie->mode = (enum dw_pcie_device_mode)data->mode; - ret = tegra194_pcie_parse_dt(pcie); + ret = tegra_pcie_dw_parse_dt(pcie); if (ret < 0) { const char *level = KERN_ERR; @@ -2144,9 +2144,9 @@ static int tegra194_pcie_probe(struct platform_device *pdev) return ret; } -static int tegra194_pcie_remove(struct platform_device *pdev) +static int tegra_pcie_dw_remove(struct platform_device *pdev) { - struct tegra194_pcie *pcie = platform_get_drvdata(pdev); + struct tegra_pcie_dw *pcie = platform_get_drvdata(pdev); if (!pcie->link_state) return 0; @@ -2162,9 +2162,9 @@ static int tegra194_pcie_remove(struct platform_device *pdev) return 0; } -static int tegra194_pcie_suspend_late(struct device *dev) +static int tegra_pcie_dw_suspend_late(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); u32 val; if (!pcie->link_state) @@ -2180,23 +2180,23 @@ static int tegra194_pcie_suspend_late(struct device *dev) return 0; } -static int tegra194_pcie_suspend_noirq(struct device *dev) +static int tegra_pcie_dw_suspend_noirq(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); if (!pcie->link_state) return 0; tegra_pcie_downstream_dev_to_D0(pcie); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); return 0; } -static int tegra194_pcie_resume_noirq(struct device *dev) +static int tegra_pcie_dw_resume_noirq(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); int ret; if (!pcie->link_state) @@ -2206,7 +2206,7 @@ static int tegra194_pcie_resume_noirq(struct device *dev) if (ret < 0) return ret; - ret = tegra194_pcie_host_init(&pcie->pci.pp); + ret = tegra_pcie_dw_host_init(&pcie->pci.pp); if (ret < 0) { dev_err(dev, "Failed to init host: %d\n", ret); goto fail_host_init; @@ -2214,7 +2214,7 @@ static int tegra194_pcie_resume_noirq(struct device *dev) dw_pcie_setup_rc(&pcie->pci.pp); - ret = tegra194_pcie_start_link(&pcie->pci); + ret = tegra_pcie_dw_start_link(&pcie->pci); if (ret < 0) goto fail_host_init; @@ -2225,9 +2225,9 @@ static int tegra194_pcie_resume_noirq(struct device *dev) return ret; } -static int tegra194_pcie_resume_early(struct device *dev) +static int tegra_pcie_dw_resume_early(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); u32 val; if (pcie->mode == DW_PCIE_EP_TYPE) { @@ -2250,9 +2250,9 @@ static int tegra194_pcie_resume_early(struct device *dev) return 0; } -static void tegra194_pcie_shutdown(struct platform_device *pdev) +static void tegra_pcie_dw_shutdown(struct platform_device *pdev) { - struct tegra194_pcie *pcie = platform_get_drvdata(pdev); + struct tegra_pcie_dw *pcie = platform_get_drvdata(pdev); if (!pcie->link_state) return; @@ -2264,50 +2264,50 @@ static void tegra194_pcie_shutdown(struct platform_device *pdev) if (IS_ENABLED(CONFIG_PCI_MSI)) disable_irq(pcie->pci.pp.msi_irq); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); } -static const struct tegra194_pcie_of_data tegra194_pcie_rc_of_data = { +static const struct tegra_pcie_dw_of_data tegra_pcie_dw_rc_of_data = { .mode = DW_PCIE_RC_TYPE, }; -static const struct tegra194_pcie_of_data tegra194_pcie_ep_of_data = { +static const struct tegra_pcie_dw_of_data tegra_pcie_dw_ep_of_data = { .mode = DW_PCIE_EP_TYPE, }; -static const struct of_device_id tegra194_pcie_of_match[] = { +static const struct of_device_id tegra_pcie_dw_of_match[] = { { .compatible = "nvidia,tegra194-pcie", - .data = &tegra194_pcie_rc_of_data, + .data = &tegra_pcie_dw_rc_of_data, }, { .compatible = "nvidia,tegra194-pcie-ep", - .data = &tegra194_pcie_ep_of_data, + .data = &tegra_pcie_dw_ep_of_data, }, {}, }; -static const struct dev_pm_ops tegra194_pcie_pm_ops = { - .suspend_late = tegra194_pcie_suspend_late, - .suspend_noirq = tegra194_pcie_suspend_noirq, - .resume_noirq = tegra194_pcie_resume_noirq, - .resume_early = tegra194_pcie_resume_early, +static const struct dev_pm_ops tegra_pcie_dw_pm_ops = { + .suspend_late = tegra_pcie_dw_suspend_late, + .suspend_noirq = tegra_pcie_dw_suspend_noirq, + .resume_noirq = tegra_pcie_dw_resume_noirq, + .resume_early = tegra_pcie_dw_resume_early, }; -static struct platform_driver tegra194_pcie_driver = { - .probe = tegra194_pcie_probe, - .remove = tegra194_pcie_remove, - .shutdown = tegra194_pcie_shutdown, +static struct platform_driver tegra_pcie_dw_driver = { + .probe = tegra_pcie_dw_probe, + .remove = tegra_pcie_dw_remove, + .shutdown = tegra_pcie_dw_shutdown, .driver = { .name = "tegra194-pcie", - .pm = &tegra194_pcie_pm_ops, - .of_match_table = tegra194_pcie_of_match, + .pm = &tegra_pcie_dw_pm_ops, + .of_match_table = tegra_pcie_dw_of_match, }, }; -module_platform_driver(tegra194_pcie_driver); +module_platform_driver(tegra_pcie_dw_driver); -MODULE_DEVICE_TABLE(of, tegra194_pcie_of_match); +MODULE_DEVICE_TABLE(of, tegra_pcie_dw_of_match); MODULE_AUTHOR("Vidya Sagar "); MODULE_DESCRIPTION("NVIDIA PCIe host controller driver"); -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BC398C433EF for ; Sat, 23 Apr 2022 12:50:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Sat, 23 Apr 2022 05:49:45 -0700 From: Vidya Sagar To: , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH V2 7/8] Revert "PCI: tegra194: Rename tegra_pcie_dw to tegra194_pcie" Date: Sat, 23 Apr 2022 18:18:57 +0530 Message-ID: <20220423124858.25946-8-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220423124858.25946-1-vidyas@nvidia.com> References: <20220423124858.25946-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 27c77863-1bc9-4ed8-6a3c-08da2527c2a7 X-MS-TrafficTypeDiagnostic: CH2PR12MB4231:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.236; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org This reverts commit b572569183993b68dec0e990b33641e6f77744ba. It keeps the names of data structures generic and not contain any one particular chip name. This is a preparatory change for the upcoming changes that add support for Tegra234. This has no functional impact. Signed-off-by: Vidya Sagar --- V2: * New addition in V2 based on Bjorn's review comment drivers/pci/controller/dwc/pcie-tegra194.c | 222 ++++++++++----------- 1 file changed, 111 insertions(+), 111 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index cc2678490162..678898985319 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -243,7 +243,7 @@ static const unsigned int pcie_gen_freq[] = { GEN4_CORE_CLK_FREQ }; -struct tegra194_pcie { +struct tegra_pcie_dw { struct device *dev; struct resource *appl_res; struct resource *dbi_res; @@ -287,22 +287,22 @@ struct tegra194_pcie { int ep_state; }; -struct tegra194_pcie_of_data { +struct tegra_pcie_dw_of_data { enum dw_pcie_device_mode mode; }; -static inline struct tegra194_pcie *to_tegra_pcie(struct dw_pcie *pci) +static inline struct tegra_pcie_dw *to_tegra_pcie(struct dw_pcie *pci) { - return container_of(pci, struct tegra194_pcie, pci); + return container_of(pci, struct tegra_pcie_dw, pci); } -static inline void appl_writel(struct tegra194_pcie *pcie, const u32 value, +static inline void appl_writel(struct tegra_pcie_dw *pcie, const u32 value, const u32 reg) { writel_relaxed(value, pcie->appl_base + reg); } -static inline u32 appl_readl(struct tegra194_pcie *pcie, const u32 reg) +static inline u32 appl_readl(struct tegra_pcie_dw *pcie, const u32 reg) { return readl_relaxed(pcie->appl_base + reg); } @@ -314,7 +314,7 @@ struct tegra_pcie_soc { static void apply_bad_link_workaround(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 current_link_width; u16 val; @@ -347,7 +347,7 @@ static void apply_bad_link_workaround(struct pcie_port *pp) static irqreturn_t tegra_pcie_rp_irq_handler(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie *pci = &pcie->pci; struct pcie_port *pp = &pci->pp; u32 val, tmp; @@ -418,7 +418,7 @@ static irqreturn_t tegra_pcie_rp_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -static void pex_ep_event_hot_rst_done(struct tegra194_pcie *pcie) +static void pex_ep_event_hot_rst_done(struct tegra_pcie_dw *pcie) { u32 val; @@ -446,7 +446,7 @@ static void pex_ep_event_hot_rst_done(struct tegra194_pcie *pcie) static irqreturn_t tegra_pcie_ep_irq_thread(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie *pci = &pcie->pci; u32 val, speed; @@ -492,7 +492,7 @@ static irqreturn_t tegra_pcie_ep_irq_thread(int irq, void *arg) static irqreturn_t tegra_pcie_ep_hard_irq(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; struct dw_pcie_ep *ep = &pcie->pci.ep; int spurious = 1; u32 status_l0, status_l1, link_status; @@ -535,7 +535,7 @@ static irqreturn_t tegra_pcie_ep_hard_irq(int irq, void *arg) return IRQ_HANDLED; } -static int tegra194_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, +static int tegra_pcie_dw_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { /* @@ -552,7 +552,7 @@ static int tegra194_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn, int where, return pci_generic_config_read(bus, devfn, where, size, val); } -static int tegra194_pcie_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, +static int tegra_pcie_dw_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { /* @@ -569,8 +569,8 @@ static int tegra194_pcie_wr_own_conf(struct pci_bus *bus, u32 devfn, int where, static struct pci_ops tegra_pci_ops = { .map_bus = dw_pcie_own_conf_map_bus, - .read = tegra194_pcie_rd_own_conf, - .write = tegra194_pcie_wr_own_conf, + .read = tegra_pcie_dw_rd_own_conf, + .write = tegra_pcie_dw_wr_own_conf, }; #if defined(CONFIG_PCIEASPM) @@ -592,7 +592,7 @@ static const u32 event_cntr_data_offset[] = { 0x1dc }; -static void disable_aspm_l11(struct tegra194_pcie *pcie) +static void disable_aspm_l11(struct tegra_pcie_dw *pcie) { u32 val; @@ -601,7 +601,7 @@ static void disable_aspm_l11(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(&pcie->pci, pcie->cfg_link_cap_l1sub, val); } -static void disable_aspm_l12(struct tegra194_pcie *pcie) +static void disable_aspm_l12(struct tegra_pcie_dw *pcie) { u32 val; @@ -610,7 +610,7 @@ static void disable_aspm_l12(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(&pcie->pci, pcie->cfg_link_cap_l1sub, val); } -static inline u32 event_counter_prog(struct tegra194_pcie *pcie, u32 event) +static inline u32 event_counter_prog(struct tegra_pcie_dw *pcie, u32 event) { u32 val; @@ -627,7 +627,7 @@ static inline u32 event_counter_prog(struct tegra194_pcie *pcie, u32 event) static int aspm_state_cnt(struct seq_file *s, void *data) { - struct tegra194_pcie *pcie = (struct tegra194_pcie *) + struct tegra_pcie_dw *pcie = (struct tegra_pcie_dw *) dev_get_drvdata(s->private); u32 val; @@ -658,7 +658,7 @@ static int aspm_state_cnt(struct seq_file *s, void *data) return 0; } -static void init_host_aspm(struct tegra194_pcie *pcie) +static void init_host_aspm(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; u32 val; @@ -686,22 +686,22 @@ static void init_host_aspm(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(pci, PCIE_PORT_AFR, val); } -static void init_debugfs(struct tegra194_pcie *pcie) +static void init_debugfs(struct tegra_pcie_dw *pcie) { debugfs_create_devm_seqfile(pcie->dev, "aspm_state_cnt", pcie->debugfs, aspm_state_cnt); } #else -static inline void disable_aspm_l12(struct tegra194_pcie *pcie) { return; } -static inline void disable_aspm_l11(struct tegra194_pcie *pcie) { return; } -static inline void init_host_aspm(struct tegra194_pcie *pcie) { return; } -static inline void init_debugfs(struct tegra194_pcie *pcie) { return; } +static inline void disable_aspm_l12(struct tegra_pcie_dw *pcie) { return; } +static inline void disable_aspm_l11(struct tegra_pcie_dw *pcie) { return; } +static inline void init_host_aspm(struct tegra_pcie_dw *pcie) { return; } +static inline void init_debugfs(struct tegra_pcie_dw *pcie) { return; } #endif static void tegra_pcie_enable_system_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; u16 val_w; @@ -739,7 +739,7 @@ static void tegra_pcie_enable_system_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_legacy_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; /* Enable legacy interrupt generation */ @@ -760,7 +760,7 @@ static void tegra_pcie_enable_legacy_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_msi_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; /* Enable MSI interrupt generation */ @@ -773,7 +773,7 @@ static void tegra_pcie_enable_msi_interrupts(struct pcie_port *pp) static void tegra_pcie_enable_interrupts(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); /* Clear interrupt statuses before enabling interrupts */ appl_writel(pcie, 0xFFFFFFFF, APPL_INTR_STATUS_L0); @@ -798,7 +798,7 @@ static void tegra_pcie_enable_interrupts(struct pcie_port *pp) tegra_pcie_enable_msi_interrupts(pp); } -static void config_gen3_gen4_eq_presets(struct tegra194_pcie *pcie) +static void config_gen3_gen4_eq_presets(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; u32 val, offset, i; @@ -851,10 +851,10 @@ static void config_gen3_gen4_eq_presets(struct tegra194_pcie *pcie) dw_pcie_writel_dbi(pci, GEN3_RELATED_OFF, val); } -static int tegra194_pcie_host_init(struct pcie_port *pp) +static int tegra_pcie_dw_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; pp->bridge->ops = &tegra_pci_ops; @@ -912,10 +912,10 @@ static int tegra194_pcie_host_init(struct pcie_port *pp) return 0; } -static int tegra194_pcie_start_link(struct dw_pcie *pci) +static int tegra_pcie_dw_start_link(struct dw_pcie *pci) { u32 val, offset, speed, tmp; - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); struct pcie_port *pp = &pci->pp; bool retry = true; @@ -980,7 +980,7 @@ static int tegra194_pcie_start_link(struct dw_pcie *pci) val &= ~PCI_DLF_EXCHANGE_ENABLE; dw_pcie_writel_dbi(pci, offset, val); - tegra194_pcie_host_init(pp); + tegra_pcie_dw_host_init(pp); dw_pcie_setup_rc(pp); retry = false; @@ -996,32 +996,32 @@ static int tegra194_pcie_start_link(struct dw_pcie *pci) return 0; } -static int tegra194_pcie_link_up(struct dw_pcie *pci) +static int tegra_pcie_dw_link_up(struct dw_pcie *pci) { - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val = dw_pcie_readw_dbi(pci, pcie->pcie_cap_base + PCI_EXP_LNKSTA); return !!(val & PCI_EXP_LNKSTA_DLLLA); } -static void tegra194_pcie_stop_link(struct dw_pcie *pci) +static void tegra_pcie_dw_stop_link(struct dw_pcie *pci) { - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); disable_irq(pcie->pex_rst_irq); } static const struct dw_pcie_ops tegra_dw_pcie_ops = { - .link_up = tegra194_pcie_link_up, - .start_link = tegra194_pcie_start_link, - .stop_link = tegra194_pcie_stop_link, + .link_up = tegra_pcie_dw_link_up, + .start_link = tegra_pcie_dw_start_link, + .stop_link = tegra_pcie_dw_stop_link, }; -static const struct dw_pcie_host_ops tegra194_pcie_host_ops = { - .host_init = tegra194_pcie_host_init, +static const struct dw_pcie_host_ops tegra_pcie_dw_host_ops = { + .host_init = tegra_pcie_dw_host_init, }; -static void tegra_pcie_disable_phy(struct tegra194_pcie *pcie) +static void tegra_pcie_disable_phy(struct tegra_pcie_dw *pcie) { unsigned int phy_count = pcie->phy_count; @@ -1031,7 +1031,7 @@ static void tegra_pcie_disable_phy(struct tegra194_pcie *pcie) } } -static int tegra_pcie_enable_phy(struct tegra194_pcie *pcie) +static int tegra_pcie_enable_phy(struct tegra_pcie_dw *pcie) { unsigned int i; int ret; @@ -1058,7 +1058,7 @@ static int tegra_pcie_enable_phy(struct tegra194_pcie *pcie) return ret; } -static int tegra194_pcie_parse_dt(struct tegra194_pcie *pcie) +static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) { struct platform_device *pdev = to_platform_device(pcie->dev); struct device_node *np = pcie->dev->of_node; @@ -1154,7 +1154,7 @@ static int tegra194_pcie_parse_dt(struct tegra194_pcie *pcie) return 0; } -static int tegra_pcie_bpmp_set_ctrl_state(struct tegra194_pcie *pcie, +static int tegra_pcie_bpmp_set_ctrl_state(struct tegra_pcie_dw *pcie, bool enable) { struct mrq_uphy_response resp; @@ -1182,7 +1182,7 @@ static int tegra_pcie_bpmp_set_ctrl_state(struct tegra194_pcie *pcie, return tegra_bpmp_transfer(pcie->bpmp, &msg); } -static int tegra_pcie_bpmp_set_pll_state(struct tegra194_pcie *pcie, +static int tegra_pcie_bpmp_set_pll_state(struct tegra_pcie_dw *pcie, bool enable) { struct mrq_uphy_response resp; @@ -1210,7 +1210,7 @@ static int tegra_pcie_bpmp_set_pll_state(struct tegra194_pcie *pcie, return tegra_bpmp_transfer(pcie->bpmp, &msg); } -static void tegra_pcie_downstream_dev_to_D0(struct tegra194_pcie *pcie) +static void tegra_pcie_downstream_dev_to_D0(struct tegra_pcie_dw *pcie) { struct pcie_port *pp = &pcie->pci.pp; struct pci_bus *child, *root_bus = NULL; @@ -1248,7 +1248,7 @@ static void tegra_pcie_downstream_dev_to_D0(struct tegra194_pcie *pcie) } } -static int tegra_pcie_get_slot_regulators(struct tegra194_pcie *pcie) +static int tegra_pcie_get_slot_regulators(struct tegra_pcie_dw *pcie) { pcie->slot_ctl_3v3 = devm_regulator_get_optional(pcie->dev, "vpcie3v3"); if (IS_ERR(pcie->slot_ctl_3v3)) { @@ -1269,7 +1269,7 @@ static int tegra_pcie_get_slot_regulators(struct tegra194_pcie *pcie) return 0; } -static int tegra_pcie_enable_slot_regulators(struct tegra194_pcie *pcie) +static int tegra_pcie_enable_slot_regulators(struct tegra_pcie_dw *pcie) { int ret; @@ -1307,7 +1307,7 @@ static int tegra_pcie_enable_slot_regulators(struct tegra194_pcie *pcie) return ret; } -static void tegra_pcie_disable_slot_regulators(struct tegra194_pcie *pcie) +static void tegra_pcie_disable_slot_regulators(struct tegra_pcie_dw *pcie) { if (pcie->slot_ctl_12v) regulator_disable(pcie->slot_ctl_12v); @@ -1315,7 +1315,7 @@ static void tegra_pcie_disable_slot_regulators(struct tegra194_pcie *pcie) regulator_disable(pcie->slot_ctl_3v3); } -static int tegra_pcie_config_controller(struct tegra194_pcie *pcie, +static int tegra_pcie_config_controller(struct tegra_pcie_dw *pcie, bool en_hw_hot_rst) { int ret; @@ -1412,7 +1412,7 @@ static int tegra_pcie_config_controller(struct tegra194_pcie *pcie, return ret; } -static void tegra_pcie_unconfig_controller(struct tegra194_pcie *pcie) +static void tegra_pcie_unconfig_controller(struct tegra_pcie_dw *pcie) { int ret; @@ -1440,7 +1440,7 @@ static void tegra_pcie_unconfig_controller(struct tegra194_pcie *pcie) pcie->cid, ret); } -static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) +static int tegra_pcie_init_controller(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; struct pcie_port *pp = &pci->pp; @@ -1450,7 +1450,7 @@ static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) if (ret < 0) return ret; - pp->ops = &tegra194_pcie_host_ops; + pp->ops = &tegra_pcie_dw_host_ops; ret = dw_pcie_host_init(pp); if (ret < 0) { @@ -1465,11 +1465,11 @@ static int tegra_pcie_init_controller(struct tegra194_pcie *pcie) return ret; } -static int tegra_pcie_try_link_l2(struct tegra194_pcie *pcie) +static int tegra_pcie_try_link_l2(struct tegra_pcie_dw *pcie) { u32 val; - if (!tegra194_pcie_link_up(&pcie->pci)) + if (!tegra_pcie_dw_link_up(&pcie->pci)) return 0; val = appl_readl(pcie, APPL_RADM_STATUS); @@ -1481,12 +1481,12 @@ static int tegra_pcie_try_link_l2(struct tegra194_pcie *pcie) 1, PME_ACK_TIMEOUT); } -static void tegra194_pcie_pme_turnoff(struct tegra194_pcie *pcie) +static void tegra_pcie_dw_pme_turnoff(struct tegra_pcie_dw *pcie) { u32 data; int err; - if (!tegra194_pcie_link_up(&pcie->pci)) { + if (!tegra_pcie_dw_link_up(&pcie->pci)) { dev_dbg(pcie->dev, "PCIe link is not up...!\n"); return; } @@ -1543,15 +1543,15 @@ static void tegra194_pcie_pme_turnoff(struct tegra194_pcie *pcie) appl_writel(pcie, data, APPL_PINMUX); } -static void tegra_pcie_deinit_controller(struct tegra194_pcie *pcie) +static void tegra_pcie_deinit_controller(struct tegra_pcie_dw *pcie) { tegra_pcie_downstream_dev_to_D0(pcie); dw_pcie_host_deinit(&pcie->pci.pp); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); } -static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) +static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie) { struct device *dev = pcie->dev; char *name; @@ -1578,7 +1578,7 @@ static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) goto fail_pm_get_sync; } - pcie->link_state = tegra194_pcie_link_up(&pcie->pci); + pcie->link_state = tegra_pcie_dw_link_up(&pcie->pci); if (!pcie->link_state) { ret = -ENOMEDIUM; goto fail_host_init; @@ -1603,7 +1603,7 @@ static int tegra_pcie_config_rp(struct tegra194_pcie *pcie) return ret; } -static void pex_ep_event_pex_rst_assert(struct tegra194_pcie *pcie) +static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie) { u32 val; int ret; @@ -1642,7 +1642,7 @@ static void pex_ep_event_pex_rst_assert(struct tegra194_pcie *pcie) dev_dbg(pcie->dev, "Uninitialization of endpoint is completed\n"); } -static void pex_ep_event_pex_rst_deassert(struct tegra194_pcie *pcie) +static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) { struct dw_pcie *pci = &pcie->pci; struct dw_pcie_ep *ep = &pci->ep; @@ -1807,7 +1807,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra194_pcie *pcie) static irqreturn_t tegra_pcie_ep_pex_rst_irq(int irq, void *arg) { - struct tegra194_pcie *pcie = arg; + struct tegra_pcie_dw *pcie = arg; if (gpiod_get_value(pcie->pex_rst_gpiod)) pex_ep_event_pex_rst_assert(pcie); @@ -1817,7 +1817,7 @@ static irqreturn_t tegra_pcie_ep_pex_rst_irq(int irq, void *arg) return IRQ_HANDLED; } -static int tegra_pcie_ep_raise_legacy_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_legacy_irq(struct tegra_pcie_dw *pcie, u16 irq) { /* Tegra194 supports only INTA */ if (irq > 1) @@ -1829,7 +1829,7 @@ static int tegra_pcie_ep_raise_legacy_irq(struct tegra194_pcie *pcie, u16 irq) return 0; } -static int tegra_pcie_ep_raise_msi_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_msi_irq(struct tegra_pcie_dw *pcie, u16 irq) { if (unlikely(irq > 31)) return -EINVAL; @@ -1839,7 +1839,7 @@ static int tegra_pcie_ep_raise_msi_irq(struct tegra194_pcie *pcie, u16 irq) return 0; } -static int tegra_pcie_ep_raise_msix_irq(struct tegra194_pcie *pcie, u16 irq) +static int tegra_pcie_ep_raise_msix_irq(struct tegra_pcie_dw *pcie, u16 irq) { struct dw_pcie_ep *ep = &pcie->pci.ep; @@ -1853,7 +1853,7 @@ static int tegra_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, u16 interrupt_num) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); - struct tegra194_pcie *pcie = to_tegra_pcie(pci); + struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); switch (type) { case PCI_EPC_IRQ_LEGACY: @@ -1894,7 +1894,7 @@ static const struct dw_pcie_ep_ops pcie_ep_ops = { .get_features = tegra_pcie_ep_get_features, }; -static int tegra_pcie_config_ep(struct tegra194_pcie *pcie, +static int tegra_pcie_config_ep(struct tegra_pcie_dw *pcie, struct platform_device *pdev) { struct dw_pcie *pci = &pcie->pci; @@ -1955,12 +1955,12 @@ static int tegra_pcie_config_ep(struct tegra194_pcie *pcie, return 0; } -static int tegra194_pcie_probe(struct platform_device *pdev) +static int tegra_pcie_dw_probe(struct platform_device *pdev) { - const struct tegra194_pcie_of_data *data; + const struct tegra_pcie_dw_of_data *data; struct device *dev = &pdev->dev; struct resource *atu_dma_res; - struct tegra194_pcie *pcie; + struct tegra_pcie_dw *pcie; struct pcie_port *pp; struct dw_pcie *pci; struct phy **phys; @@ -1986,7 +1986,7 @@ static int tegra194_pcie_probe(struct platform_device *pdev) pcie->dev = &pdev->dev; pcie->mode = (enum dw_pcie_device_mode)data->mode; - ret = tegra194_pcie_parse_dt(pcie); + ret = tegra_pcie_dw_parse_dt(pcie); if (ret < 0) { const char *level = KERN_ERR; @@ -2144,9 +2144,9 @@ static int tegra194_pcie_probe(struct platform_device *pdev) return ret; } -static int tegra194_pcie_remove(struct platform_device *pdev) +static int tegra_pcie_dw_remove(struct platform_device *pdev) { - struct tegra194_pcie *pcie = platform_get_drvdata(pdev); + struct tegra_pcie_dw *pcie = platform_get_drvdata(pdev); if (!pcie->link_state) return 0; @@ -2162,9 +2162,9 @@ static int tegra194_pcie_remove(struct platform_device *pdev) return 0; } -static int tegra194_pcie_suspend_late(struct device *dev) +static int tegra_pcie_dw_suspend_late(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); u32 val; if (!pcie->link_state) @@ -2180,23 +2180,23 @@ static int tegra194_pcie_suspend_late(struct device *dev) return 0; } -static int tegra194_pcie_suspend_noirq(struct device *dev) +static int tegra_pcie_dw_suspend_noirq(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); if (!pcie->link_state) return 0; tegra_pcie_downstream_dev_to_D0(pcie); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); return 0; } -static int tegra194_pcie_resume_noirq(struct device *dev) +static int tegra_pcie_dw_resume_noirq(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); int ret; if (!pcie->link_state) @@ -2206,7 +2206,7 @@ static int tegra194_pcie_resume_noirq(struct device *dev) if (ret < 0) return ret; - ret = tegra194_pcie_host_init(&pcie->pci.pp); + ret = tegra_pcie_dw_host_init(&pcie->pci.pp); if (ret < 0) { dev_err(dev, "Failed to init host: %d\n", ret); goto fail_host_init; @@ -2214,7 +2214,7 @@ static int tegra194_pcie_resume_noirq(struct device *dev) dw_pcie_setup_rc(&pcie->pci.pp); - ret = tegra194_pcie_start_link(&pcie->pci); + ret = tegra_pcie_dw_start_link(&pcie->pci); if (ret < 0) goto fail_host_init; @@ -2225,9 +2225,9 @@ static int tegra194_pcie_resume_noirq(struct device *dev) return ret; } -static int tegra194_pcie_resume_early(struct device *dev) +static int tegra_pcie_dw_resume_early(struct device *dev) { - struct tegra194_pcie *pcie = dev_get_drvdata(dev); + struct tegra_pcie_dw *pcie = dev_get_drvdata(dev); u32 val; if (pcie->mode == DW_PCIE_EP_TYPE) { @@ -2250,9 +2250,9 @@ static int tegra194_pcie_resume_early(struct device *dev) return 0; } -static void tegra194_pcie_shutdown(struct platform_device *pdev) +static void tegra_pcie_dw_shutdown(struct platform_device *pdev) { - struct tegra194_pcie *pcie = platform_get_drvdata(pdev); + struct tegra_pcie_dw *pcie = platform_get_drvdata(pdev); if (!pcie->link_state) return; @@ -2264,50 +2264,50 @@ static void tegra194_pcie_shutdown(struct platform_device *pdev) if (IS_ENABLED(CONFIG_PCI_MSI)) disable_irq(pcie->pci.pp.msi_irq); - tegra194_pcie_pme_turnoff(pcie); + tegra_pcie_dw_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); } -static const struct tegra194_pcie_of_data tegra194_pcie_rc_of_data = { +static const struct tegra_pcie_dw_of_data tegra_pcie_dw_rc_of_data = { .mode = DW_PCIE_RC_TYPE, }; -static const struct tegra194_pcie_of_data tegra194_pcie_ep_of_data = { +static const struct tegra_pcie_dw_of_data tegra_pcie_dw_ep_of_data = { .mode = DW_PCIE_EP_TYPE, }; -static const struct of_device_id tegra194_pcie_of_match[] = { +static const struct of_device_id tegra_pcie_dw_of_match[] = { { .compatible = "nvidia,tegra194-pcie", - .data = &tegra194_pcie_rc_of_data, + .data = &tegra_pcie_dw_rc_of_data, }, { .compatible = "nvidia,tegra194-pcie-ep", - .data = &tegra194_pcie_ep_of_data, + .data = &tegra_pcie_dw_ep_of_data, }, {}, }; -static const struct dev_pm_ops tegra194_pcie_pm_ops = { - .suspend_late = tegra194_pcie_suspend_late, - .suspend_noirq = tegra194_pcie_suspend_noirq, - .resume_noirq = tegra194_pcie_resume_noirq, - .resume_early = tegra194_pcie_resume_early, +static const struct dev_pm_ops tegra_pcie_dw_pm_ops = { + .suspend_late = tegra_pcie_dw_suspend_late, + .suspend_noirq = tegra_pcie_dw_suspend_noirq, + .resume_noirq = tegra_pcie_dw_resume_noirq, + .resume_early = tegra_pcie_dw_resume_early, }; -static struct platform_driver tegra194_pcie_driver = { - .probe = tegra194_pcie_probe, - .remove = tegra194_pcie_remove, - .shutdown = tegra194_pcie_shutdown, +static struct platform_driver tegra_pcie_dw_driver = { + .probe = tegra_pcie_dw_probe, + .remove = tegra_pcie_dw_remove, + .shutdown = tegra_pcie_dw_shutdown, .driver = { .name = "tegra194-pcie", - .pm = &tegra194_pcie_pm_ops, - .of_match_table = tegra194_pcie_of_match, + .pm = &tegra_pcie_dw_pm_ops, + .of_match_table = tegra_pcie_dw_of_match, }, }; -module_platform_driver(tegra194_pcie_driver); +module_platform_driver(tegra_pcie_dw_driver); -MODULE_DEVICE_TABLE(of, tegra194_pcie_of_match); +MODULE_DEVICE_TABLE(of, tegra_pcie_dw_of_match); MODULE_AUTHOR("Vidya Sagar "); MODULE_DESCRIPTION("NVIDIA PCIe host controller driver"); -- 2.17.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy