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i2c: designware: assert reset when error happen at ->probe()

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The commit c62ebb3d5f ("i2c: designware: Add support for an interface clock")
introduced an optional clock while missed correct error handling.
assert reset line back if error happen at ->probe().

Fixes: c62ebb3d5f ("i2c: designware: Add support for an interface clock")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Andy Shevchenko 2019-08-19 13:24:23 +03:00 committed by Wolfram Sang
parent f9bf7a8994
commit 71dc297ca9
1 changed files with 4 additions and 2 deletions
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6
drivers/i2c/busses/i2c-designware-platdrv.c
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@ -346,8 +346,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
/* Optional interface clock */
dev->pclk = devm_clk_get_optional(&pdev->dev, "pclk");
if (IS_ERR(dev->pclk))
return PTR_ERR(dev->pclk);
if (IS_ERR(dev->pclk)) {
ret = PTR_ERR(dev->pclk);
goto exit_reset;
}
dev->clk = devm_clk_get(&pdev->dev, NULL);
if (!i2c_dw_prepare_clk(dev, true)) {