From 2aae80b27da6904939ed38959ee3d153f27ee7d1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 24 Dec 2013 10:49:33 +0100 Subject: [PATCH] spi: rspi: Use DUMMY_DATA macro instead of hardcoded value Make it more obvious that this value is dummy data. Signed-off-by: Geert Uytterhoeven Signed-off-by: Mark Brown --- 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 aea0c62b095d..d7920d95a03c 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,