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Thu, 8 Mar 2018 01:14:19 -0500 Received: from mail-dm3nam03on0125.outbound.protection.outlook.com ([104.47.41.125]:20160 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965717AbeCHFBb (ORCPT ); Thu, 8 Mar 2018 00:01:31 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Kuppuswamy Sathyanarayanan , Linus Walleij , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 074/190] gpio: gpio-wcove: fix irq pending status bit width Thread-Topic: [PATCH AUTOSEL for 4.9 074/190] gpio: gpio-wcove: fix irq pending status bit width Thread-Index: AQHTtpo6NnF8Icqym02cvQwU4WxyAQ== Date: Thu, 8 Mar 2018 04:59:24 +0000 Message-ID: <20180308045810.8041-74-alexander.levin@microsoft.com> References: <20180308045810.8041-1-alexander.levin@microsoft.com> In-Reply-To: <20180308045810.8041-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0901;20:aCijKDDOHbCwjmgwLQuf1Xwlqq2SEmpeUh68dW26wbR9nePut8xlxDSYQctxRXxufPUtZoAJ/tdrw7OeBRjRZQr5wmvT96nG6B/rs3U8scFUMIwHiGNqVqojnXEhdQxi+3d8tKLQ8Ht4c7DxSRT2n7/F6YKwo4xw3+PZ1jSa8MY= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 512e976b-bf7c-4b2e-8844-08d584b1a4fb x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0901; 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But when checking for the pending status, for_each_set_bit() uses bit width of 7 and hence it only checks the status for first 7 GPIO pins missing to check/clear the status of rest of the GPIO pins. This patch fixes this issue. Signed-off-by: Kuppuswamy Sathyanarayanan Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/gpio/gpio-wcove.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c index d0ddba7a9d08..1012c86925ad 100644 --- a/drivers/gpio/gpio-wcove.c +++ b/drivers/gpio/gpio-wcove.c @@ -318,7 +318,7 @@ static irqreturn_t wcove_gpio_irq_handler(int irq, void= *data) while (pending) { /* One iteration is for all pending bits */ for_each_set_bit(gpio, (const unsigned long *)&pending, - GROUP0_NR_IRQS) { + WCOVE_GPIO_NUM) { offset =3D (gpio > GROUP0_NR_IRQS) ? 1 : 0; mask =3D (offset =3D=3D 1) ? BIT(gpio - GROUP0_NR_IRQS) : BIT(gpio); --=20 2.14.1