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Tue, 7 Jul 2020 07:50:07 +0000 From: Peter Chen To: balbi@kernel.org, mathias.nyman@intel.com, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-imx@nxp.com, pawell@cadence.com, rogerq@ti.com, jun.li@nxp.com, Peter Chen Subject: [PATCH v5 7/9] usb: host: xhci-plat: add priv quirk for skip PHY initialization Date: Tue, 7 Jul 2020 15:49:39 +0800 Message-Id: <20200707074941.28078-8-peter.chen@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200707074941.28078-1-peter.chen@nxp.com> References: <20200707074941.28078-1-peter.chen@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0022.apcprd02.prod.outlook.com (2603:1096:3:17::34) 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 (119.31.174.67) by SG2PR02CA0022.apcprd02.prod.outlook.com (2603:1096:3:17::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.22 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 52987de5-ee97-43a4-3238-08d8224a5daa X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7157.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2020 07:50:06.9385 (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: XL0Pzp+ZiGc3UMTKtyMItl1HYlMYC4tHh5/uVcezQPTPjlMJHaUQ6H+qnmgrmc+AuDy2Ftu8IQ3XDIGStCZAcw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR04MB5608 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 quirk 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.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..cebe24ec80a5 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->quirks & XHCI_SKIP_PHY_INIT)) + 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.h b/drivers/usb/host/xhci.h index c295e8a7f5ae..07d71fec18d5 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1874,6 +1874,7 @@ struct xhci_hcd { #define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34) #define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35) #define XHCI_RENESAS_FW_QUIRK BIT_ULL(36) +#define XHCI_SKIP_PHY_INIT BIT_ULL(37) unsigned int num_active_eps; unsigned int limit_active_eps; -- 2.17.1