Accessing the boot partition had been error prone with HS200 and HS400 and was disabled. The driver first switched to a lesser mode and then switched the partition access. It was mostly due to a bad handling of the switch and has been fixed, so let's remove this 'feature'
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com ---
drivers/mmc/mmc.c | 36 ------------------------------------ 1 file changed, 36 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index b0684596f9..709733747a 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -955,46 +955,10 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num) return 0; }
-#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) -static int mmc_boot_part_access_chk(struct mmc *mmc, unsigned int part_num) -{ - int forbidden = 0; - bool change = false; - - if (part_num & PART_ACCESS_MASK) - forbidden = MMC_CAP(MMC_HS_200); - - if (MMC_CAP(mmc->selected_mode) & forbidden) { - pr_debug("selected mode (%s) is forbidden for part %d\n", - mmc_mode_name(mmc->selected_mode), part_num); - change = true; - } else if (mmc->selected_mode != mmc->best_mode) { - pr_debug("selected mode is not optimal\n"); - change = true; - } - - if (change) - return mmc_select_mode_and_width(mmc, - mmc->card_caps & ~forbidden); - - return 0; -} -#else -static inline int mmc_boot_part_access_chk(struct mmc *mmc, - unsigned int part_num) -{ - return 0; -} -#endif - int mmc_switch_part(struct mmc *mmc, unsigned int part_num) { int ret;
- ret = mmc_boot_part_access_chk(mmc, part_num); - if (ret) - return ret; - ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, (mmc->part_config & ~PART_ACCESS_MASK) | (part_num & PART_ACCESS_MASK));