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Tue, 24 Aug 2021 10:17:06 -0700 Envelope-to: git@xilinx.com, peter.chen@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Received: from [172.23.64.8] (port=48481 helo=xhdvnc108.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mIa2r-000EeV-AW; Tue, 24 Aug 2021 10:17:05 -0700 Received: by xhdvnc108.xilinx.com (Postfix, from userid 16987) id 86B15604B4; Tue, 24 Aug 2021 22:46:34 +0530 (IST) From: Manish Narani To: , , CC: , , , Manish Narani , "Subbaraya Sundeep Bhatta" Subject: [PATCH 3/6] usb: chipidea: Check usb_phy exists before using it Date: Tue, 24 Aug 2021 22:46:15 +0530 Message-ID: <1629825378-8089-4-git-send-email-manish.narani@xilinx.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1629825378-8089-1-git-send-email-manish.narani@xilinx.com> References: <1629825378-8089-1-git-send-email-manish.narani@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 34c6cca0-420c-4014-0672-08d9672308f3 X-MS-TrafficTypeDiagnostic: DM5PR0201MB3574: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:4303; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Aug 2021 17:17:22.0387 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 34c6cca0-420c-4014-0672-08d9672308f3 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: DM3NAM02FT004.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR0201MB3574 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org usb_phy and usb_phy->set_vbus may not be present all the times based on PHY driver used. So check for it. Signed-off-by: Subbaraya Sundeep Bhatta Signed-off-by: Michal Simek Signed-off-by: Manish Narani --- drivers/usb/chipidea/otg_fsm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index 2f7f94d..5f8f5d2 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -472,7 +472,8 @@ static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on) } } - if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL) + if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL && + ci->usb_phy && ci->usb_phy->set_vbus) ci->usb_phy->set_vbus(ci->usb_phy, 1); /* Disable data pulse irq */ @@ -484,7 +485,8 @@ static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on) if (ci->platdata->reg_vbus) regulator_disable(ci->platdata->reg_vbus); - if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL) + if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL && + ci->usb_phy && ci->usb_phy->set_vbus) ci->usb_phy->set_vbus(ci->usb_phy, 0); fsm->a_bus_drop = 1; -- 2.1.1