diff options
author | Denys Drozdov <denys.drozdov@toradex.com> | 2022-01-10 13:54:25 +0200 |
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committer | Denys Drozdov <denys.drozdov@toradex.com> | 2022-01-10 13:54:25 +0200 |
commit | 755960f3c9336fe5fd4d9607c12c0edcff8f04c5 (patch) | |
tree | 8f3b10fe1edc98a144b975bd553c0bb973159294 /drivers/mmc/host/dw_mmc-exynos.c | |
parent | 73d0438130d3728b034835168028bc44a94bd812 (diff) | |
parent | 5c088fba39aff97ae9175948356ef3292369671c (diff) |
Merge tag 'v5.4.161' into toradex_5.4.y
This is the 5.4.161 stable release
Diffstat (limited to 'drivers/mmc/host/dw_mmc-exynos.c')
-rw-r--r-- | drivers/mmc/host/dw_mmc-exynos.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 5e3d95b63676..ae2c74186e1d 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -462,6 +462,18 @@ static s8 dw_mci_exynos_get_best_clksmpl(u8 candiates) } } + /* + * If there is no cadiates value, then it needs to return -EIO. + * If there are candiates values and don't find bset clk sample value, + * then use a first candiates clock sample value. + */ + for (i = 0; i < iter; i++) { + __c = ror8(candiates, i); + if ((__c & 0x1) == 0x1) { + loc = i; + goto out; + } + } out: return loc; } @@ -492,6 +504,8 @@ static int dw_mci_exynos_execute_tuning(struct dw_mci_slot *slot, u32 opcode) priv->tuned_sample = found; } else { ret = -EIO; + dev_warn(&mmc->class_dev, + "There is no candiates value about clksmpl!\n"); } return ret; |