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authorSylwester Nawrocki <s.nawrocki@samsung.com>2016-09-13 17:39:33 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-09-22 16:16:17 +0300
commit056c61eb0da4d7181fc7072567dc1931cb0e1cbb (patch)
treec52d0add80a59207770356bff223974ffe2dd5ff /drivers/ata
parentcb47b415fd5cda7c9ef8f9d158e59f8af5bcb094 (diff)
downloadlinux-056c61eb0da4d7181fc7072567dc1931cb0e1cbb.tar.xz
[media] exynos4-is: Clear isp-i2c adapter power.ignore_children flag
Since commit 04f59143b571161d25315dd52d7a2ecc022cb71a ("i2c: let I2C masters ignore their children for PM") the power.ignore_children flag is set when registering an I2C adapter. Since I2C transfers are not managed by the fimc-isp-i2c driver its clients use pm_runtime_* calls directly to communicate required power state of the bus controller. However, when the power.ignore_children flag is set that doesn't work, so clear that flag back after registering the adapter. While at it drop pm_runtime_enable() call on the i2c_adapter as it is already done by the I2C subsystem when registering I2C adapter. This patch is meant as a minimal change to fix the regression, eventually the I2C_ISPx clock handling will be moved to the top level fimc-is driver and whole runtime PM code is going to be dropped from the fimc-is-i2c module. Cc: <stable@vger.kernel.org> # 4.7+ Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/ata')
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