diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 8078a89f18..d3babbfeb1 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -823,7 +823,7 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value, * capable of polling by using mmc_wait_dat0, then rely on waiting the * stated timeout to be sufficient. */ - if (ret == -ENOSYS && !send_status) { + if (ret == -ENOSYS || !send_status) { mdelay(timeout_ms); return 0; } @@ -2092,14 +2092,16 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) } #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ - CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT) /* * In case the eMMC is in HS200/HS400 mode, downgrade to HS mode * before doing anything else, since a transition from either of * the HS200/HS400 mode directly to legacy mode is not supported. */ if (mmc->selected_mode == MMC_HS_200 || - mmc->selected_mode == MMC_HS_400) + mmc->selected_mode == MMC_HS_400 || + mmc->selected_mode == MMC_HS_400_ES) mmc_set_card_speed(mmc, MMC_HS, true); else #endif @@ -2862,7 +2864,25 @@ int mmc_start_init(struct mmc *mmc) * timings. */ mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(MMC_LEGACY) | - MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; + MMC_MODE_1BIT; + + if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET)) { + if (mmc->user_speed_mode != MMC_MODES_END) { + int i; + /* set host caps */ + if (mmc->host_caps & MMC_CAP(mmc->user_speed_mode)) { + /* Remove all existing speed capabilities */ + for (i = MMC_LEGACY; i < MMC_MODES_END; i++) + mmc->host_caps &= ~MMC_CAP(i); + mmc->host_caps |= (MMC_CAP(mmc->user_speed_mode) + | MMC_CAP(MMC_LEGACY) | + MMC_MODE_1BIT); + } else { + pr_err("bus_mode requested is not supported\n"); + return -EINVAL; + } + } + } #if CONFIG_IS_ENABLED(DM_MMC) mmc_deferred_probe(mmc); #endif @@ -2952,7 +2972,7 @@ int mmc_deinit(struct mmc *mmc) return sd_select_mode_and_width(mmc, caps_filtered); } else { caps_filtered = mmc->card_caps & - ~(MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400)); + ~(MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400) | MMC_CAP(MMC_HS_400_ES)); return mmc_select_mode_and_width(mmc, caps_filtered); } @@ -3060,6 +3080,8 @@ int mmc_init_device(int num) } m = mmc_get_mmc_dev(dev); + m->user_speed_mode = MMC_MODES_END; /* Initialising user set speed mode */ + if (!m) return 0; if (m->preinit) |