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Sat, 23 May 2020 23:23:13 +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 v2 7/9] usb: host: xhci-plat: add priv flag for skip_phy_initialization Date: Sun, 24 May 2020 07:23:02 +0800 Message-Id: <20200523232304.23976-8-peter.chen@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200523232304.23976-1-peter.chen@nxp.com> References: <20200523232304.23976-1-peter.chen@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR04CA0153.apcprd04.prod.outlook.com (2603:1096:4::15) 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 SG2PR04CA0153.apcprd04.prod.outlook.com (2603:1096:4::15) 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: n05wFMnq0nricUaIhGi/Jenp/F74U+XzYYOJw9x0If1ZimdZ7pZiN5t34vLOQdJ6GcmknoyOGE1z0xD+wGJ7D2eQFBSQQzG1ut0O4mGpeaK3SWvMxW1Ul2k9eED2DD4ifceyc4B9clLdGSYe3UB/uSLjvyeREAjNvDPd7CYxvaLxvBmDbf637z0bdQKNjsiC8A03cnskVjlRryIfyU15iJO6ULpBd/kPdFvUhUdlyyxzLiSRJ6crLYc+QSz1r6pg7Pmw9isD0L1kdbjZGbiytGGB+zeo7XREAmVVnB6uqrsomlKUBpugX8QOyVpdN/MyHI8gG+nI5KJbzrPB4jt0vhWCqRNMoRC5hP2x4u9LgnZsQ7mr53IxK2dEyNowAkTEgYyM8AA+PXMzlJHhUHIA6HHKzUdTFYnuOobUivcTUxAUNYv0XwqC8y4S5YBq72Gj3LQlCbFMuRx4whhK5/tXa4q6uZ8xXwW6UsKd+OEX0eQ= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 201bc19e-48c2-4fcb-89eb-08d7ff704392 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 May 2020 23:23:13.2944 (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: J7zg0n026DLIG8UxKXMMLGXQFIho0riCW6WvlpaJ8wK6KKd2Z0NWWnDABt1mHukaNAjl/jdU0/UWFnh1AuULwg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB6918 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some DRD controllers (eg, dwc3 & cdns3) have PHY management at their own driver to cover both device and host mode, so add one priv flag for such users to skip PHY management from HCD core. Signed-off-by: Peter Chen --- drivers/usb/host/xhci-plat.c | 8 ++++++-- drivers/usb/host/xhci-plat.h | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 03d6bbe51919..a3d6cb464186 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -183,6 +183,8 @@ static int xhci_plat_probe(struct platform_device *pdev) struct usb_hcd *hcd; int ret; int irq; + struct xhci_plat_priv *priv = NULL; + if (usb_disabled()) return -ENODEV; @@ -280,8 +282,7 @@ static int xhci_plat_probe(struct platform_device *pdev) priv_match = dev_get_platdata(&pdev->dev); if (priv_match) { - struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); - + priv = hcd_to_xhci_priv(hcd); /* Just copy data for now */ *priv = *priv_match; } @@ -329,6 +330,9 @@ static int xhci_plat_probe(struct platform_device *pdev) hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node); xhci->shared_hcd->tpl_support = hcd->tpl_support; + if (priv && priv->skip_phy_initialization) + hcd->skip_phy_initialization = 1; + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) goto disable_usb_phy; diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 1fb149d1fbce..8825e8eb28d6 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -13,6 +13,7 @@ struct xhci_plat_priv { const char *firmware_name; unsigned long long quirks; + unsigned int skip_phy_initialization:1; void (*plat_start)(struct usb_hcd *); int (*init_quirk)(struct usb_hcd *); int (*suspend_quirk)(struct usb_hcd *); -- 2.17.1