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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-29 20:54:44 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-29 20:54:44 +0300 |
| commit | 17d50f89410c5f71142657d9a012cbabcaadb134 (patch) | |
| tree | ded6121edb5b6967cde2ec7bc6616b2182b4cf06 /drivers/mmc/host/dw_mmc-exynos.c | |
| parent | fd919bbd334f22486ee2e9c16ceefe833bb9e32f (diff) | |
| parent | 90935eb303e0d12f3d3d0383262e65290321f5f6 (diff) | |
| download | linux-17d50f89410c5f71142657d9a012cbabcaadb134.tar.xz | |
Merge tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- tmio: Re-enable card irqs after a reset
- mtk-sd: Fixup probing of cqhci for crypto
- cqhci: Fix support for suspend/resume
- vub300: Fix control-message timeouts
- dw_mmc-exynos: Fix support for tuning
- winbond: Silences build errors on M68K
- sdhci-esdhc-imx: Fix support for tuning
- sdhci-pci: Read card detect from ACPI for Intel Merrifield
- sdhci: Fix eMMC support for Thundercomm TurboX CM2290
* tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: tmio: reenable card irqs after the reset callback
mmc: mediatek: Move cqhci init behind ungate clock
mmc: cqhci: clear HALT state after CQE enable
mmc: vub300: fix control-message timeouts
mmc: dw_mmc: exynos: fix the finding clock sample value
mmc: winbond: don't build on M68K
mmc: sdhci-esdhc-imx: clear the buffer_read_ready to reset standard tuning circuit
mmc: sdhci-pci: Read card detect from ACPI for Intel Merrifield
mmc: sdhci: Map more voltage level to SDHCI_POWER_330
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 0c75810812a0..1f8a3c0ddfe1 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -464,6 +464,18 @@ 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; } @@ -494,6 +506,8 @@ 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; |