merge branch lineage-20 into t13.0t13.0

https: //github.com/LineageOS/android_kernel_google_redbull
Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 57b788a69720..e62e64172c81 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2384,7 +2384,13 @@ 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");
 	}