| Message ID | 20210317065359.3109394-8-xiaoning.wang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
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dmarc=none action=none header.from=nxp.com; Received: from AM0PR04MB5618.eurprd04.prod.outlook.com (2603:10a6:208:123::11) by AM0PR04MB7091.eurprd04.prod.outlook.com (2603:10a6:208:197::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.31; Wed, 17 Mar 2021 06:54:14 +0000 Received: from AM0PR04MB5618.eurprd04.prod.outlook.com ([fe80::69a8:a768:8fa1:7236]) by AM0PR04MB5618.eurprd04.prod.outlook.com ([fe80::69a8:a768:8fa1:7236%7]) with mapi id 15.20.3933.032; Wed, 17 Mar 2021 06:54:14 +0000 From: Clark Wang <xiaoning.wang@nxp.com> To: aisheng.dong@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, sumit.semwal@linaro.org, christian.koenig@amd.com, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/11] i2c: imx-lpi2c: increase PM timeout to avoid operate clk frequently Date: Wed, 17 Mar 2021 14:53:55 +0800 Message-Id: <20210317065359.3109394-8-xiaoning.wang@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210317065359.3109394-1-xiaoning.wang@nxp.com> References: <20210317065359.3109394-1-xiaoning.wang@nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: HK2PR02CA0215.apcprd02.prod.outlook.com (2603:1096:201:20::27) To AM0PR04MB5618.eurprd04.prod.outlook.com (2603:10a6:208:123::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by HK2PR02CA0215.apcprd02.prod.outlook.com (2603:1096:201:20::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.18 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
| Series |
i2c: imx-lpi2c: New features and bug fixes
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expand
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> From: Clark Wang <xiaoning.wang@nxp.com> > Sent: Wednesday, March 17, 2021 2:54 PM > > Switching the clock frequently will affect the data transmission efficiency, and > prolong the timeout to reduce autosuspend times for lpi2c. > > Acked-by: Fugang Duan <fugang.duan@nxp.com> > Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Regards Aisheng > --- > drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c > b/drivers/i2c/busses/i2c-imx-lpi2c.c > index 86b69852f7be..c0cb77c66090 100644 > --- a/drivers/i2c/busses/i2c-imx-lpi2c.c > +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c > @@ -75,7 +75,7 @@ > #define I2C_CLK_RATIO 2 > #define CHUNK_DATA 256 > > -#define I2C_PM_TIMEOUT 10 /* ms */ > +#define I2C_PM_TIMEOUT 1000 /* ms */ > > enum lpi2c_imx_mode { > STANDARD, /* 100+Kbps */ > -- > 2.25.1
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 86b69852f7be..c0cb77c66090 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -75,7 +75,7 @@ #define I2C_CLK_RATIO 2 #define CHUNK_DATA 256 -#define I2C_PM_TIMEOUT 10 /* ms */ +#define I2C_PM_TIMEOUT 1000 /* ms */ enum lpi2c_imx_mode { STANDARD, /* 100+Kbps */