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authorMika Westerberg <mika.westerberg@linux.intel.com>2017-11-27 16:54:44 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-11-29 13:46:28 +0100
commitcb5fda413e1d4a857bf4fd0bc92e9de0f1ff9e9d (patch)
tree5ac6835a15faa7db452bb011ef841bafd4dc1454 /lib/gen_crc32table.c
parenta60eac3239f01838bdd34eaac8c486c4c6e84551 (diff)
pinctrl: cannonlake: Align GPIO number space with Windows
The Cannon Lake Windows GPIO driver always exposes 32 pins per "bank" regardless of whether the hardware actually has that many pins in a pad group. This means that there are gaps in the GPIO number space even if such gaps do not exist in the real hardware. To make things worse the BIOS is also using the same scheme, so for example on Cannon Lake-LP vGPIO 39 (vSD3_CD_B) the ACPI GpioInt resource has number 231 instead of the expected 180 (which would be the hardware number). To make SD card detection and other GPIOs working properly in Linux we align the pinctrl-cannonlake GPIO numbering to follow the Windows GPIO driver numbering taking advantage of the gpio_base field introduced in the previous patch. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'lib/gen_crc32table.c')
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