On Tue, Oct 09, 2012 at 02:27:20PM +0530, Vaibhav Hiremath wrote: > With recent changes in omap gpmc driver code, in case of DT > boot mode, where bootloader does not configure gpmc cs space > will result into kernel BUG() inside gpmc_mem_init() function, > as gpmc cs0 gpmc_config7[0].csvalid bit is set to '1' and > gpmc_config7[0].baseaddress is set to '0' on reset. > > This use-case is applicable for any board/EVM which doesn't have > any peripheral connected to gpmc cs0, for example BeagleXM and > BeagleBone, so DT boot mode fails. > > This patch adds of_have_populated_dt() check before creating > device, so that for DT boot mode, gpmc probe will not be called > which is expected behavior, as gpmc is not supported yet from DT. > > Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx> > Cc: Afzal Mohammed <afzal@xxxxxx> > Cc: Tony Lindgren <tony@xxxxxxxxxxx> > Cc Paul Walmsley <paul@xxxxxxxxx> > --- > This should go in for rc1, as this breaks AM33xx boot. Fixes BeagleBone on mainline. Tested-by: Matt Porter <mporter@xxxxxx> -Matt -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
