In om-gta02-2.6.34, i had problem with impossibility to power on gsm.
Problem were that no sysfs node exited.
Kernel logs (with debugging) for working .32:
www.bsdmn.com/openmoko/gsm/32.log
Kernel logs (with debugging) for .34 without fix:
www.bsdmn.com/openmoko/gsm/34unfixed.log
Kernel logs (with debugging) for .34 with fix:
www.bsdmn.com/openmoko/gsm/34fixed.log
to power on gsm use:
echo 1
> /sys/bus/platform/devices/reg-fixed-voltage.1/gta02-pm-gsm.0/power_on
Problem were introduced by diff:
in .34:
pcf50633-gpio 264 drivers/mfd/pcf50633-core.c
PCF50633_CELL("pcf50633-gpio"),
in .32:
pcf50633-gpio 624 drivers/mfd/pcf50633-core.c
pcf50633_client_dev_register(pcf, "pcf50633-gpio",
Patch renames board-specific platform bus device pattern to match new
device name.
Patch:
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c
b/arch/arm/mach-s3c2440/mach-gta02.c
index b23b011..bad9b08 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -1153,7 +1153,7 @@ static struct platform_device*
gta02_hdq_children[] = {
static struct gta02_device_children gta02_device_children[] = {
{
- .dev_name = "pcf50633-gpio",
+ .dev_name = "pcf50633-gpio.0",
.num_children = 1,
.children = gta02_pcf50633_gpio_children,
},
and copy in attachment.
Gennady.
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index b23b011..bad9b08 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -1153,7 +1153,7 @@ static struct platform_device* gta02_hdq_children[] = {
static struct gta02_device_children gta02_device_children[] = {
{
- .dev_name = "pcf50633-gpio",
+ .dev_name = "pcf50633-gpio.0",
.num_children = 1,
.children = gta02_pcf50633_gpio_children,
},
