Messages in this thread Patch in this message | | | Date | Sun, 12 Feb 2012 18:42:20 +0200 | From | Denis Turischev <> | Subject | [PATCH 1/2] gpio: enable SUS_GPIO[3:0] resume powered gpio, explicitly on Intel SCH. |
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Resume powered gpio pins SUS_GPIO[3:0] on Intel SCH may be disabled by BIOS setting, need to enable them explicitly.
Signed-off-by: Denis Turischev <denis@compulab.co.il> --- drivers/gpio/gpio-sch.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c index 8cadf4d..f287016 100644 --- a/drivers/gpio/gpio-sch.c +++ b/drivers/gpio/gpio-sch.c @@ -218,10 +218,9 @@ static int __devinit sch_gpio_probe(struct platform_device *pdev) */ outb(0x3, gpio_ba + CGEN + 1); /* - * SUS_GPIO[2:0] enabled by default - * Enable SUS_GPIO3 resume powered gpio explicitly + * Enable SUS_GPIO[3:0] resume powered gpio explicitly */ - outb(0x8, gpio_ba + RGEN); + outb(0xF, gpio_ba + RGEN); break; case PCI_DEVICE_ID_INTEL_ITC_LPC: -- 1.7.5.4
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