[PATCH 6.8 168/273] spi: s3c64xx: define a magic value

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6.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>

[ Upstream commit ff8faa8a5c0f4c2da797cd22a163ee3cc8823b13 ]

Define a magic value, it will be used in the next patch as well.

Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
Link: https://msgid.link/r/20240216070555.2483977-3-tudor.ambarus@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Stable-dep-of: a3d3eab627bb ("spi: s3c64xx: Use DMA mode from fifo size")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/spi/spi-s3c64xx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 29e99410c9716..3da940e6299f0 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -76,6 +76,7 @@
 #define S3C64XX_SPI_INT_RX_FIFORDY_EN		(1<<1)
 #define S3C64XX_SPI_INT_TX_FIFORDY_EN		(1<<0)
 
+#define S3C64XX_SPI_ST_TX_FIFO_LVL_SHIFT	6
 #define S3C64XX_SPI_ST_RX_OVERRUN_ERR		(1<<5)
 #define S3C64XX_SPI_ST_RX_UNDERRUN_ERR		(1<<4)
 #define S3C64XX_SPI_ST_TX_OVERRUN_ERR		(1<<3)
@@ -106,7 +107,8 @@
 #define FIFO_LVL_MASK(i) ((i)->port_conf->fifo_lvl_mask[i->port_id])
 #define S3C64XX_SPI_ST_TX_DONE(v, i) (((v) & \
 				(1 << (i)->port_conf->tx_st_done)) ? 1 : 0)
-#define TX_FIFO_LVL(v, i) (((v) >> 6) & FIFO_LVL_MASK(i))
+#define TX_FIFO_LVL(v, i) (((v) >> S3C64XX_SPI_ST_TX_FIFO_LVL_SHIFT) &	\
+			   FIFO_LVL_MASK(i))
 #define RX_FIFO_LVL(v, i) (((v) >> (i)->port_conf->rx_lvl_offset) & \
 					FIFO_LVL_MASK(i))
 #define FIFO_DEPTH(i) ((FIFO_LVL_MASK(i) >> 1) + 1)
-- 
2.43.0







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