[PATCH 0/3] omap hsmmc init cleanup and section warning fixes for v3.4 merge window

Russell King - ARM Linux linux at arm.linux.org.uk
Thu Feb 16 08:51:51 EST 2012


On Thu, Feb 16, 2012 at 06:45:50PM +0530, Rajendra Nayak wrote:
> 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.
>

(4) and (5) are the key bits of what I was asking you to do.



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