From 1a9cafcb57b70fc1439d4a5cb28963122568967a Mon Sep 17 00:00:00 2001 From: David Jander Date: Tue, 21 Jun 2022 08:12:31 +0200 Subject: [PATCH] spi: Remove unneeded READ_ONCE for ctlr->busy flag Now this flag is written entirely in the mutex, so no need for READ_ONCE Signed-off-by: David Jander Link: https://lore.kernel.org/r/20220621061234.3626638-9-david@protonic.nl Signed-off-by: Mark Brown --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 52736e3..29f4275 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3955,7 +3955,7 @@ static void __spi_transfer_message_noqueue(struct spi_controller *ctlr, struct s mutex_lock(&ctlr->io_mutex); - was_busy = READ_ONCE(ctlr->busy); + was_busy = ctlr->busy; ret = __spi_pump_transfer_message(ctlr, msg, was_busy); if (ret) -- 2.7.4