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[PATCH 3/4] i2c: s3c2410: enable RuntimePM before registering to the core

From Wolfram Sang <wsa@the-dreams.de>
Newsgroups linux.kernel
Subject [PATCH 3/4] i2c: s3c2410: enable RuntimePM before registering to the core
Date 2015-10-09 09:00 +0200
Message-ID <qhzOO-2W9-23@gated-at.bofh.it> (permalink)
References <qhzOO-2W9-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Wolfram Sang <wsa+renesas@sang-engineering.com>

The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail. While here, move drvdata, too.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Not tested on HW. Found by code review.

 drivers/i2c/busses/i2c-s3c2410.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 50bfd8cef5f224..75f76cd644728a 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1243,6 +1243,11 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	i2c->adap.nr = i2c->pdata->bus_num;
 	i2c->adap.dev.of_node = pdev->dev.of_node;
 
+	platform_set_drvdata(pdev, i2c);
+
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_enable(&i2c->adap.dev);
+
 	ret = i2c_add_numbered_adapter(&i2c->adap);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
@@ -1251,11 +1256,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	platform_set_drvdata(pdev, i2c);
-
-	pm_runtime_enable(&pdev->dev);
-	pm_runtime_enable(&i2c->adap.dev);
-
 	dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
 	return 0;
 }
-- 
2.1.4

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Thread

[PATCH 1/4] i2c: designware-platdrv: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
  [PATCH 3/4] i2c: s3c2410: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
  [PATCH 4/4] spi: spi-coldfire-qspi: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
    Re: [PATCH 4/4] spi: spi-coldfire-qspi: enable RuntimePM before  registering to the core Mark Brown <broonie@kernel.org> - 2015-10-09 13:40 +0200
  [PATCH 2/4] i2c: rcar: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
    Re: [PATCH 2/4] i2c: rcar: enable RuntimePM before registering to the core Geert Uytterhoeven <geert@linux-m68k.org> - 2015-10-09 10:50 +0200
      Re: [PATCH 2/4] i2c: rcar: enable RuntimePM before registering to  the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 11:30 +0200

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