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authorWolfram Sang <wsa+renesas@sang-engineering.com>2016-03-07 19:40:57 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-03-30 10:57:51 +0200
commit0129801be4b87226bf502f18f5a9eabd356d1058 (patch)
treed3b58ef9a573f8a65efc1a27a6c3fd62cc965731 /Documentation
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadleg-kernel-0129801be4b87226bf502f18f5a9eabd356d1058.tar.gz
pinctrl: sh-pfc: only use dummy states for non-DT platforms
If pinctrl_provide_dummies() is used unconditionally, then the dummy state will be used even on DT platforms when the "init" state was intentionally left out. Instead of "default", the dummy "init" state will then be used during probe. Thus, when probing an I2C controller on cold boot, communication triggered by bus notifiers broke because the pins were not initialized. Do it like OMAP2: use the dummy state only for non-DT platforms. Cc: stable@vger.kernel.org Fixes: ef0eebc05130 ("drivers/pinctrl: Add the concept of an "init" state") Reported-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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