diff mbox

spi: fsl-espi: fix ioread16/iowrite16 endianness

Message ID 39487a5a-e899-5998-431b-ee21e5f3fe6c@gmail.com (mailing list archive)
State Accepted
Commit 7e2ef003302cc797917ce0a2a32cffb4af42c99e
Headers show

Commit Message

Heiner Kallweit Nov. 30, 2016, 7:28 p.m. UTC
fsl_espi_read_reg16 / fsl_espi_write_reg16 are supposed to read / write
big endian values. Therefore ioread16be / iowrite16be have to be used.

Fixes: 	058234328445 ("eliminate need for linearization when writing to hardware")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/spi/spi-fsl-espi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index cd28329..1d332e2 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -124,7 +124,7 @@  static inline u32 fsl_espi_read_reg(struct fsl_espi *espi, int offset)
 
 static inline u16 fsl_espi_read_reg16(struct fsl_espi *espi, int offset)
 {
-	return ioread16(espi->reg_base + offset);
+	return ioread16be(espi->reg_base + offset);
 }
 
 static inline u8 fsl_espi_read_reg8(struct fsl_espi *espi, int offset)
@@ -141,7 +141,7 @@  static inline void fsl_espi_write_reg(struct fsl_espi *espi, int offset,
 static inline void fsl_espi_write_reg16(struct fsl_espi *espi, int offset,
 					u16 val)
 {
-	iowrite16(val, espi->reg_base + offset);
+	iowrite16be(val, espi->reg_base + offset);
 }
 
 static inline void fsl_espi_write_reg8(struct fsl_espi *espi, int offset,