On Thursday 16 February 2012 06:04 PM, Rajendra Nayak wrote:
Can you test something with these patches?
1. Build the gpio-twl4030.c as a module, but with HSMMC support built in
2. Boot on the 4430SDP
twl4030 gpio is used for card detect on OMAP3, so I tried this
on my Beagle instead of 4430SDP.
The kernel boots up but does not detect/enumerate the mmc card.
3. Load the gpio-twl4030 module
I was expecting this to now detect the card, but I instead got
this error which seems to tell gpio-twl4030 has problems
when built/used as a module, outside of the mmc issues.
Looks like I was mislead with the errors and though the twl4030
gpio probe was bailing out with errors, which its not.
It does seem to go ahead, does a mmc late init which registers
the mmc omap_device and hence does a platform_device_add, but the
device never seem to get probed. mmc driver is built in and
registered.
# insmod gpio-twl4030.ko
[ 16.217864] twl4030_gpio twl4030_gpio: can't dispatch IRQs from modules
[ 16.242004] gpiochip_add: registered GPIOs 192 to 211 on device: twl4030
4. Remove the gpio-twl4030 module
5. Re-load the gpio-twl4030.ko module
and report back what you get. Thanks.
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