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| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2016-11-30 20:28:09 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2016-12-01 18:50:59 +0000 |
| commit | 7e2ef003302cc797917ce0a2a32cffb4af42c99e (patch) | |
| tree | 88d366697335c8ac18c45ae27828b585c71b8ae8 /drivers/spi | |
| parent | spi: fsl-espi: remove unused linearization code (diff) | |
| download | linux-dev-7e2ef003302cc797917ce0a2a32cffb4af42c99e.tar.xz linux-dev-7e2ef003302cc797917ce0a2a32cffb4af42c99e.zip | |
spi: fsl-espi: fix ioread16/iowrite16 endianness
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>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index cd2832940092..1d332e23f6ed 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, |