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authorSylwester Nawrocki <s.nawrocki@samsung.com>2018-04-17 16:29:53 +0200
committerMark Brown <broonie@kernel.org>2018-04-18 12:37:29 +0100
commitf6364e66c66135f40709635849620411f3f8a2ff (patch)
tree10c28903cedb9d3e6b252862ef9b3c23e7f14a49 /drivers/spi
parent71293a60e38f44b1d18c14803f0dd2744f6b9a12 (diff)
spi: spi-s3c64xx: Use local variable for FIFO length
More references to fifo_len are added in subsequent patch. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Andi Shyti <andi@etezian.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-s3c64xx.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index db33bc9b4147..27cd8c59eabf 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -634,6 +634,7 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
struct spi_transfer *xfer)
{
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
+ const unsigned int fifo_len = (FIFO_LVL_MASK(sdd) >> 1) + 1;
int status;
u32 speed;
u8 bpw;
@@ -655,9 +656,8 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
/* Polling method for xfers not bigger than FIFO capacity */
use_dma = 0;
- if (!is_polling(sdd) &&
- (sdd->rx_dma.ch && sdd->tx_dma.ch &&
- (xfer->len > ((FIFO_LVL_MASK(sdd) >> 1) + 1))))
+ if (!is_polling(sdd) && (xfer->len > fifo_len) &&
+ sdd->rx_dma.ch && sdd->tx_dma.ch)
use_dma = 1;
spin_lock_irqsave(&sdd->lock, flags);