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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-24 09:28:05 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-24 09:28:05 +0100 |
| commit | 1e5b3968a57d7894d5f86a2ecb58fa057cb6f7b2 (patch) | |
| tree | a1beadf663bf4a318cccbfba8b4679b5fd0991c7 /drivers/mmc/core/core.c | |
| parent | 6fb6c979ca628583d4d0c59a0f8ff977e581ecc0 (diff) | |
| parent | d47f9580839eb6fe568e38b2084d94887fbf5ce0 (diff) | |
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.1-rc6 into drm-misc-next.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/mmc/core/core.c')
| -rw-r--r-- | drivers/mmc/core/core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 95fa8fb1d45f..c5de202f530a 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1134,7 +1134,13 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr) mmc_power_cycle(host, ocr); } else { bit = fls(ocr) - 1; - ocr &= 3 << bit; + /* + * The bit variable represents the highest voltage bit set in + * the OCR register. + * To keep a range of 2 values (e.g. 3.2V/3.3V and 3.3V/3.4V), + * we must shift the mask '3' with (bit - 1). + */ + ocr &= 3 << (bit - 1); if (bit != host->ios.vdd) dev_warn(mmc_dev(host), "exceeding card's volts\n"); } |