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Fri, 29 Mar 2019 07:00:43 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::f1b4:a1fb:cfd1:3f08%7]) with mapi id 15.20.1750.017; Fri, 29 Mar 2019 07:00:43 +0000 From: Anson Huang To: "dmitry.torokhov@gmail.com" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "linux-input@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH 1/2] input: keyboard: imx: no need to control interrupt status in event check Thread-Topic: [PATCH 1/2] input: keyboard: imx: no need to control interrupt status in event check Thread-Index: AQHU5f0glAeb6buLqE2+JexOYz88tw== Date: Fri, 29 Mar 2019 07:00:43 +0000 Message-ID: <1553842562-8481-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR04CA0013.apcprd04.prod.outlook.com (2603:1096:203:36::25) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dl-linux-imx Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org There is no need to enable release interrupt and disable depress interrupt in event check, as a timer is setup for checking these events rather than interrupts. Signed-off-by: Anson Huang --- drivers/input/keyboard/imx_keypad.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index 539cb67..7e32c36 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -276,11 +276,6 @@ static void imx_keypad_check_for_events(struct timer_list *t) reg_val = readw(keypad->mmio_base + KPSR); reg_val |= KBD_STAT_KPKR | KBD_STAT_KRSS; writew(reg_val, keypad->mmio_base + KPSR); - - reg_val = readw(keypad->mmio_base + KPSR); - reg_val |= KBD_STAT_KRIE; - reg_val &= ~KBD_STAT_KDIE; - writew(reg_val, keypad->mmio_base + KPSR); } } -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel