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Fri, 22 May 2020 10:32:57 +0000 From: Peter Chen To: balbi@kernel.org, mathias.nyman@intel.com Cc: linux-usb@vger.kernel.org, linux-imx@nxp.com, pawell@cadence.com, rogerq@ti.com, gregkh@linuxfoundation.org, jun.li@nxp.com, Peter Chen Subject: [PATCH 4/8] usb: host: xhci-plat: add .suspend_quirk for struct xhci_plat_priv Date: Fri, 22 May 2020 18:32:52 +0800 Message-Id: <20200522103256.16322-5-peter.chen@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200522103256.16322-1-peter.chen@nxp.com> References: <20200522103256.16322-1-peter.chen@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR0601CA0019.apcprd06.prod.outlook.com (2603:1096:3::29) To AM7PR04MB7157.eurprd04.prod.outlook.com (2603:10a6:20b:118::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from b29397-desktop.ap.freescale.net (119.31.174.66) by SG2PR0601CA0019.apcprd06.prod.outlook.com (2603:1096:3::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3021.23 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: CvS4g7kGYgYfDQRTCTRvB6gju1vQKEob7a7D6jZFPK97ePMsh44zYccEumz0DdK47DivJwae9Eqz6LyNOtphZqW1xhD2dxn5xWpJXGUhf0IL+ZxSNdAR2Xt5MFWIsHp+rTgMxsloSiwYsaichbfAcyJOjVHb1teGg9Ssizs4Dyrv63HaH1DcvhhTuYyGLfDmQcsf+UBRDwFYS1RNTwwmzosSuXyCiDKxvzJ9ha/FpZV8KHNDJkuMWbJtzv1n+8esPC7Qc36wtjag01aS6oXrEpMF0SXQXDIwi4+goKEueAyvg0rpQILBSHKlCpRbFbdwylivCewuUr3zrVmrJ8I35/NIR4C9aIkqMJMNNpumuNuvNu5BxOAixZiW9vNt4GyGtdwonbEUhdctq/UsiKLQpDUteSfYhgJZdJl/oB+8pVy1Mdk8hBfnkIHBiXaYKUQ0rS2A6HA1z2zVFKZLv81CCUQuNnL7l46/3OZ7SgkaF2Q= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 33a8b879-776a-411d-7692-08d7fe3b7e56 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2020 10:32:57.4735 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: RJxhIxx6pi6o8ykPdfUGBommfUozw4bM0gv+AJ/0VqgNb9ttucwTGe4I04+aREY7Qyn90YtP66jqGkqKUNu9Xw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB6984 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some platforms (eg cdns3) may have special sequences between xhci_bus_suspend and xhci_suspend, add .suspend_quick for it. Signed-off-by: Peter Chen --- drivers/usb/host/xhci-plat.c | 19 +++++++++++++++++++ drivers/usb/host/xhci-plat.h | 1 + 2 files changed, 20 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index e00efd84ea1a..ca02e7f36238 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -54,6 +54,16 @@ static int xhci_priv_init_quirk(struct usb_hcd *hcd) return priv->init_quirk(hcd); } +static int xhci_priv_suspend_quirk(struct usb_hcd *hcd) +{ + struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); + + if (!priv->suspend_quirk) + return 0; + + return priv->suspend_quirk(hcd); +} + static int xhci_priv_resume_quirk(struct usb_hcd *hcd) { struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); @@ -396,7 +406,11 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); + int ret; + ret = xhci_priv_suspend_quirk(hcd); + if (ret) + return ret; /* * xhci_suspend() needs `do_wakeup` to know whether host is allowed * to do wakeup during suspend. Since xhci_plat_suspend is currently @@ -425,6 +439,11 @@ static int __maybe_unused xhci_plat_runtime_suspend(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); + int ret; + + ret = xhci_priv_suspend_quirk(hcd); + if (ret) + return ret; return xhci_suspend(xhci, true); } diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 5681723fc9cd..9338a4f946d0 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -15,6 +15,7 @@ struct xhci_plat_priv { unsigned long long quirks; void (*plat_start)(struct usb_hcd *); int (*init_quirk)(struct usb_hcd *); + int (*suspend_quirk)(struct usb_hcd *); int (*resume_quirk)(struct usb_hcd *); }; -- 2.17.1