readl_poll_timeout() calls usleep_range(), but regmap_atmel_hlcdc_reg_write() is called in atomic context (regmap spinlock held). Replace the readl_poll_timeout() call by readl_poll_timeout_atomic(). Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Fixes: ea31c0cf9b07 ("mfd: atmel-hlcdc: Implement config synchronization") Cc: <stable@xxxxxxxxxxxxxxx> --- drivers/mfd/atmel-hlcdc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c index eca7ea69b81c..4b15b0840f16 100644 --- a/drivers/mfd/atmel-hlcdc.c +++ b/drivers/mfd/atmel-hlcdc.c @@ -50,8 +50,9 @@ static int regmap_atmel_hlcdc_reg_write(void *context, unsigned int reg, if (reg <= ATMEL_HLCDC_DIS) { u32 status; - readl_poll_timeout(hregmap->regs + ATMEL_HLCDC_SR, status, - !(status & ATMEL_HLCDC_SIP), 1, 100); + readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, + status, !(status & ATMEL_HLCDC_SIP), + 1, 100); } writel(val, hregmap->regs + reg); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html