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Commit 2aae80b2 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Mark Brown
Browse files

spi: rspi: Use DUMMY_DATA macro instead of hardcoded value 



Make it more obvious that this value is dummy data.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent baf588f4

drivers/spi/spi-rspi.c

+4 −2
Original line number Diff line number Diff line
@@ -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,