diff options
Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477_spi.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477_spi.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c index 86d12d48a2a9..a34e66eccbcd 100644 --- a/drivers/net/dsa/microchip/ksz9477_spi.c +++ b/drivers/net/dsa/microchip/ksz9477_spi.c @@ -13,7 +13,6 @@ #include <linux/spi/spi.h> #include "ksz_priv.h" -#include "ksz_spi.h" /* SPI frame opcodes */ #define KS_SPIOP_RD 3 @@ -73,6 +72,48 @@ static int ksz_spi_write(struct ksz_device *dev, u32 reg, void *data, return ksz9477_spi_write_reg(spi, reg, dev->txbuf, len); } +static int ksz_spi_read8(struct ksz_device *dev, u32 reg, u8 *val) +{ + return ksz_spi_read(dev, reg, val, 1); +} + +static int ksz_spi_read16(struct ksz_device *dev, u32 reg, u16 *val) +{ + int ret = ksz_spi_read(dev, reg, (u8 *)val, 2); + + if (!ret) + *val = be16_to_cpu(*val); + + return ret; +} + +static int ksz_spi_read32(struct ksz_device *dev, u32 reg, u32 *val) +{ + int ret = ksz_spi_read(dev, reg, (u8 *)val, 4); + + if (!ret) + *val = be32_to_cpu(*val); + + return ret; +} + +static int ksz_spi_write8(struct ksz_device *dev, u32 reg, u8 value) +{ + return ksz_spi_write(dev, reg, &value, 1); +} + +static int ksz_spi_write16(struct ksz_device *dev, u32 reg, u16 value) +{ + value = cpu_to_be16(value); + return ksz_spi_write(dev, reg, &value, 2); +} + +static int ksz_spi_write32(struct ksz_device *dev, u32 reg, u32 value) +{ + value = cpu_to_be32(value); + return ksz_spi_write(dev, reg, &value, 4); +} + static const struct ksz_io_ops ksz9477_spi_ops = { .read8 = ksz_spi_read8, .read16 = ksz_spi_read16, |