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Wed, 20 Mar 2019 10:04:04 +0000 Received: from SN6PR05MB4928.namprd05.prod.outlook.com ([fe80::ecfd:3a22:dcb3:3b9e]) by SN6PR05MB4928.namprd05.prod.outlook.com ([fe80::ecfd:3a22:dcb3:3b9e%4]) with mapi id 15.20.1709.015; Wed, 20 Mar 2019 10:04:04 +0000 From: Sergey Matyukevich To: "linux-wireless@vger.kernel.org" CC: Igor Mitsyanko , Sergey Matyukevich Subject: [PATCH 09/14] qtnfmac: fix core attach error path in pcie backend Thread-Topic: [PATCH 09/14] qtnfmac: fix core attach error path in pcie backend Thread-Index: AQHU3wQ+/vmwbWJC3EmhBLHPgyInTg== Date: Wed, 20 Mar 2019 10:04:02 +0000 Message-ID: <20190320100340.14168-10-sergey.matyukevich.os@quantenna.com> References: <20190320100340.14168-1-sergey.matyukevich.os@quantenna.com> In-Reply-To: <20190320100340.14168-1-sergey.matyukevich.os@quantenna.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BYAPR05CA0106.namprd05.prod.outlook.com (2603:10b6:a03:e0::47) To SN6PR05MB4928.namprd05.prod.outlook.com (2603:10b6:805:9d::10) authentication-results: spf=none (sender IP is ) smtp.mailfrom=sergey.matyukevich.os@quantenna.com; 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received-spf: None (protection.outlook.com: quantenna.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: L3+1YqpceS5EhklgBeTLw/9dSYOThDZGazxoQ5zCBEkQLZTuVQVMqPT5qi7O76bO/aN4iizSiy4mLUF/DNBOtM3X+aETuI03gT7tF6hBOhDk2RRTTzFMqJiAUGy+3V11STEf7G3HkJD0QsG+SbrP3XFdlA8kZBFU06O1jm4J5IY0xXm9IQTVtwZuu+vMxpQRNv8QKNPkTHSWmYHDT06XfRg+mG/wozQfBESDtHk95hxX6rRpY8hy8pADVNdAxme7Glv66w5B6A84bqn3111i6DCz42bbcTPO5E7GWoLBDFO9Ipom9X7/LFHav8yzxgR2K3Wf7f9wlUYz8R7Qq/EG9MQIOIC3RHjd/bb76dhJ4J/mWzXp4usjGsHFXLpXGzs34SAwIzjk/I+LvL+fI5ruHFfAbjo4OIK2iH/dYo/pwq0= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: quantenna.com X-MS-Exchange-CrossTenant-Network-Message-Id: 943366ed-290b-4142-7e9e-08d6ad1b60d1 X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a355dbce-62b4-4789-9446-c1d5582180ff X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Mar 2019 10:05:18.5383 (UTC) X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR05MB4761 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Report that firmware is up and running only for successful firmware download. Simplify qtnf_pcie_fw_boot_done: modify error path so that no need to pass firmware dowload result to this function. Finally, do not create debugfs entries if firmware download succeeded, but core attach failed. Signed-off-by: Sergey Matyukevich --- drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c | 25 +++++++-----------= ---- .../wireless/quantenna/qtnfmac/pcie/pcie_priv.h | 2 +- .../wireless/quantenna/qtnfmac/pcie/pearl_pcie.c | 23 ++++++++++--------= -- .../wireless/quantenna/qtnfmac/pcie/topaz_pcie.c | 23 ++++++++++++------= -- 4 files changed, 34 insertions(+), 39 deletions(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c b/drivers/n= et/wireless/quantenna/qtnfmac/pcie/pcie.c index c3a32effa6f0..a693667a83d7 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c @@ -128,32 +128,23 @@ static int qtnf_dbg_shm_stats(struct seq_file *s, voi= d *data) return 0; } =20 -void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success) +int qtnf_pcie_fw_boot_done(struct qtnf_bus *bus) { - struct qtnf_pcie_bus_priv *priv =3D get_bus_priv(bus); - struct pci_dev *pdev =3D priv->pdev; int ret; =20 - if (boot_success) { - bus->fw_state =3D QTNF_FW_STATE_FW_DNLD_DONE; - - ret =3D qtnf_core_attach(bus); - if (ret) { - pr_err("failed to attach core\n"); - boot_success =3D false; - } - } - - if (boot_success) { + bus->fw_state =3D QTNF_FW_STATE_FW_DNLD_DONE; + ret =3D qtnf_core_attach(bus); + if (ret) { + pr_err("failed to attach core\n"); + bus->fw_state =3D QTNF_FW_STATE_DETACHED; + } else { qtnf_debugfs_init(bus, DRV_NAME); qtnf_debugfs_add_entry(bus, "mps", qtnf_dbg_mps_show); qtnf_debugfs_add_entry(bus, "msi_enabled", qtnf_dbg_msi_show); qtnf_debugfs_add_entry(bus, "shm_stats", qtnf_dbg_shm_stats); - } else { - bus->fw_state =3D QTNF_FW_STATE_DETACHED; } =20 - put_device(&pdev->dev); + return ret; } =20 static void qtnf_tune_pcie_mps(struct pci_dev *pdev) diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h b/driv= ers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h index bbc074e1f34d..b21de4f52a9d 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h @@ -70,7 +70,7 @@ struct qtnf_pcie_bus_priv { =20 int qtnf_pcie_control_tx(struct qtnf_bus *bus, struct sk_buff *skb); int qtnf_pcie_alloc_skb_array(struct qtnf_pcie_bus_priv *priv); -void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success); +int qtnf_pcie_fw_boot_done(struct qtnf_bus *bus); void qtnf_pcie_init_shm_ipc(struct qtnf_pcie_bus_priv *priv, struct qtnf_shm_ipc_region __iomem *ipc_tx_reg, struct qtnf_shm_ipc_region __iomem *ipc_rx_reg, diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c b/dri= vers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c index 1f5facbb8905..3aa3714d4dfd 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c @@ -980,12 +980,11 @@ static void qtnf_pearl_fw_work_handler(struct work_st= ruct *work) { struct qtnf_bus *bus =3D container_of(work, struct qtnf_bus, fw_work); struct qtnf_pcie_pearl_state *ps =3D (void *)get_bus_priv(bus); + u32 state =3D QTN_RC_FW_LOADRDY | QTN_RC_FW_QLINK; + const char *fwname =3D QTN_PCI_PEARL_FW_NAME; struct pci_dev *pdev =3D ps->base.pdev; const struct firmware *fw; int ret; - u32 state =3D QTN_RC_FW_LOADRDY | QTN_RC_FW_QLINK; - const char *fwname =3D QTN_PCI_PEARL_FW_NAME; - bool fw_boot_success =3D false; =20 if (ps->base.flashboot) { state |=3D QTN_RC_FW_FLASHBOOT; @@ -1031,23 +1030,23 @@ static void qtnf_pearl_fw_work_handler(struct work_= struct *work) goto fw_load_exit; } =20 - pr_info("firmware is up and running\n"); - if (qtnf_poll_state(&ps->bda->bda_ep_state, QTN_EP_FW_QLINK_DONE, QTN_FW_QLINK_TIMEOUT_MS)) { pr_err("firmware runtime failure\n"); goto fw_load_exit; } =20 - fw_boot_success =3D true; + pr_info("firmware is up and running\n"); =20 -fw_load_exit: - qtnf_pcie_fw_boot_done(bus, fw_boot_success); + ret =3D qtnf_pcie_fw_boot_done(bus); + if (ret) + goto fw_load_exit; =20 - if (fw_boot_success) { - qtnf_debugfs_add_entry(bus, "hdp_stats", qtnf_dbg_hdp_stats); - qtnf_debugfs_add_entry(bus, "irq_stats", qtnf_dbg_irq_stats); - } + qtnf_debugfs_add_entry(bus, "hdp_stats", qtnf_dbg_hdp_stats); + qtnf_debugfs_add_entry(bus, "irq_stats", qtnf_dbg_irq_stats); + +fw_load_exit: + put_device(&pdev->dev); } =20 static void qtnf_pearl_reclaim_tasklet_fn(unsigned long data) diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c b/dri= vers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c index cbcda57105f3..d9b83ea6281c 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c @@ -1023,8 +1023,9 @@ static void qtnf_topaz_fw_work_handler(struct work_st= ruct *work) { struct qtnf_bus *bus =3D container_of(work, struct qtnf_bus, fw_work); struct qtnf_pcie_topaz_state *ts =3D (void *)get_bus_priv(bus); - int ret; int bootloader_needed =3D readl(&ts->bda->bda_flags) & QTN_BDA_XMIT_UBOOT= ; + struct pci_dev *pdev =3D ts->base.pdev; + int ret; =20 qtnf_set_state(&ts->bda->bda_bootstate, QTN_BDA_FW_TARGET_BOOT); =20 @@ -1073,19 +1074,23 @@ static void qtnf_topaz_fw_work_handler(struct work_= struct *work) } } =20 + ret =3D qtnf_post_init_ep(ts); + if (ret) { + pr_err("FW runtime failure\n"); + goto fw_load_exit; + } + pr_info("firmware is up and running\n"); =20 - ret =3D qtnf_post_init_ep(ts); + ret =3D qtnf_pcie_fw_boot_done(bus); if (ret) - pr_err("FW runtime failure\n"); + goto fw_load_exit; =20 -fw_load_exit: - qtnf_pcie_fw_boot_done(bus, ret ? false : true); + qtnf_debugfs_add_entry(bus, "pkt_stats", qtnf_dbg_pkt_stats); + qtnf_debugfs_add_entry(bus, "irq_stats", qtnf_dbg_irq_stats); =20 - if (ret =3D=3D 0) { - qtnf_debugfs_add_entry(bus, "pkt_stats", qtnf_dbg_pkt_stats); - qtnf_debugfs_add_entry(bus, "irq_stats", qtnf_dbg_irq_stats); - } +fw_load_exit: + put_device(&pdev->dev); } =20 static void qtnf_reclaim_tasklet_fn(unsigned long data) --=20 2.11.0