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Revert "mmc: core: properly select voltage range without power cycle"

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This reverts commit 12cb558233.

Signed-off-by: Sorayukii <sorayukii69@gmail.com>
This commit is contained in:
Sorayukii 2025-09-05 09:59:23 +00:00
commit 687a2fd669
1 changed files with 1 additions and 7 deletions
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8
drivers/mmc/core/core.c
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@ -3123,13 +3123,7 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
mmc_power_cycle(host, ocr);
} else {
bit = fls(ocr) - 1;
/*
* 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);
ocr &= 3 << bit;
if (bit != host->ios.vdd)
dev_warn(mmc_dev(host), "exceeding card's volts\n");
}