Make it more obvious that this value is dummy data.
Signed-off-by: Geert Uytterhoeven <[email protected]>
---
drivers/spi/spi-rspi.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 4e376db1ca4f..51fe3bdacb18 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -149,6 +149,8 @@
#define SPBFCR_TXRST 0x80 /* qspi only */
#define SPBFCR_RXRST 0x40 /* qspi only */
+#define DUMMY_DATA 0x00
+
struct rspi_data {
void __iomem *addr;
u32 max_speed_hz;
@@ -541,7 +543,7 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct
spi_message *mesg,
return -ETIMEDOUT;
}
/* dummy write for generate clock */
- rspi_write16(rspi, 0x00, RSPI_SPDR);
+ rspi_write16(rspi, DUMMY_DATA, RSPI_SPDR);
if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) {
dev_err(&rspi->master->dev,
@@ -586,7 +588,7 @@ static int qspi_receive_pio(struct rspi_data *rspi, struct
spi_message *mesg,
return -ETIMEDOUT;
}
/* dummy write for generate clock */
- rspi_write8(rspi, 0x00, RSPI_SPDR);
+ rspi_write8(rspi, DUMMY_DATA, RSPI_SPDR);
if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) {
dev_err(&rspi->master->dev,
--
1.7.9.5
--
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