Hi James, On Tuesday, March 12, 2013, James Hogan wrote: > Call the setpower platform callback in response to set_ios with > ios->power_mode == MMC_POWER_UP or MMC_POWER_OFF, instead of from the > card detect work function. > > This appears to fix a problem I have where a card stuck in a funny state > doesn't get properly cleared by the power being turned off, presumably > due to lack of power sequencing. This resulted in the following log > messages after boot: > > mmc0: error -110 whilst initialising SD card > mmc_host mmc0: Bus speed (slot 0) = 99840000Hz (slot req 300000Hz, actual > 298922HZ div = 167) > mmc0: error -110 whilst initialising SD card > mmc_host mmc0: Bus speed (slot 0) = 99840000Hz (slot req 200000Hz, actual > 199680HZ div = 250) > mmc0: error -110 whilst initialising SD card > mmc_host mmc0: Bus speed (slot 0) = 99840000Hz (slot req 195765Hz, actual > 195764HZ div = 255) > mmc0: error -110 whilst initialising SD card > mmc_host mmc0: Bus speed (slot 0) = 99840000Hz (slot req 400000Hz, actual > 399360HZ div = 125) > mmc0: error -110 whilst initialising SD card > mmc_host mmc0: Bus speed (slot 0) = 99840000Hz (slot req 300000Hz, actual > 298922HZ div = 167) > > Signed-off-by: James Hogan <james.ho...@imgtec.com> > Cc: Seungwon Jeon <tgih....@samsung.com>
This patch is reasonable. I just want to know though. I guess this problem is happened when card is inserted as soon as card is removed. If not, could you explain your situation more? Thanks, Seungwon Jeon -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
