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Unverified Commit f63248fa authored by Fabrice Gasnier's avatar Fabrice Gasnier Committed by Mark Brown
Browse files

regulator: stm32-vrefbuf: fix check on ready flag 



stm32_vrefbuf_enable() wrongly checks VRR bit: 0 stands for not ready,
1 for ready. It currently checks the opposite.
This makes enable routine to exit immediately without waiting for ready
flag.

Fixes: 0cdbf481 ("regulator: Add support for stm32-vrefbuf")
Signed-off-by: default avatarFabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent 4e79f3f1

drivers/regulator/stm32-vrefbuf.c

+1 −1
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ static int stm32_vrefbuf_enable(struct regulator_dev *rdev) 
	 * arbitrary timeout.

	 */

	ret = readl_poll_timeout(priv->base + STM32_VREFBUF_CSR, val,

				 !(val & STM32_VRR), 650, 10000);

				 val & STM32_VRR, 650, 10000);

	if (ret) {

		dev_err(&rdev->dev, "stm32 vrefbuf timed out!\n");

		val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);