| Message ID | 20200901085809.48660-6-yangbo.lu@nxp.com |
|---|---|
| State | Accepted |
| Commit | 8c96880814b23b5e17b5e7d350ea6066dae54bc6 |
| Delegated to: | Peng Fan |
| Headers | show |
| Series | mmc: fsl_esdhc: support eMMC HS200/HS400 modes | expand |
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 0727505..b75c2bc 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1982,7 +1982,9 @@ static int mmc_select_hs400(struct mmc *mmc) mmc_set_clock(mmc, mmc->tran_speed, false); /* execute tuning if needed */ + mmc->hs400_tuning = 1; err = mmc_execute_tuning(mmc, MMC_CMD_SEND_TUNING_BLOCK_HS200); + mmc->hs400_tuning = 0; if (err) { debug("tuning failed\n"); return err; diff --git a/include/mmc.h b/include/mmc.h index 161b8bc..2399cc2 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -707,6 +707,7 @@ struct mmc { * accessing the boot partitions */ u32 quirks; + u8 hs400_tuning; }; struct mmc_hwpart_conf {
Some controllers may have difference between HS200 tuning and HS400 tuning, such as different registers setting, different procedure, or different errata. This patch is to add a hs400_tuning flag to identify the tuning for HS400 mode. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- Changes for v2: - None. Changes for v3: - Explained more in commit messages. Changes for v4: - None. --- drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+)