diff options
Diffstat (limited to 'drivers/spi/spi-xilinx.c')
| -rw-r--r-- | drivers/spi/spi-xilinx.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index 2ca55f6b5158..d1901d578823 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -95,6 +95,26 @@ struct xilinx_spi { void (*write_fn)(u32, void __iomem *); }; +static void xspi_write32(u32 val, void __iomem *addr) +{ + iowrite32(val, addr); +} + +static unsigned int xspi_read32(void __iomem *addr) +{ + return ioread32(addr); +} + +static void xspi_write32_be(u32 val, void __iomem *addr) +{ + iowrite32be(val, addr); +} + +static unsigned int xspi_read32_be(void __iomem *addr) +{ + return ioread32be(addr); +} + static void xilinx_spi_tx(struct xilinx_spi *xspi) { if (!xspi->tx_ptr) { @@ -388,15 +408,15 @@ static int xilinx_spi_probe(struct platform_device *pdev) * Setup little endian helper functions first and try to use them * and check if bit was correctly setup or not. */ - xspi->read_fn = ioread32; - xspi->write_fn = iowrite32; + xspi->read_fn = xspi_read32; + xspi->write_fn = xspi_write32; xspi->write_fn(XSPI_CR_LOOP, xspi->regs + XSPI_CR_OFFSET); tmp = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET); tmp &= XSPI_CR_LOOP; if (tmp != XSPI_CR_LOOP) { - xspi->read_fn = ioread32be; - xspi->write_fn = iowrite32be; + xspi->read_fn = xspi_read32_be; + xspi->write_fn = xspi_write32_be; } master->bits_per_word_mask = SPI_BPW_MASK(bits_per_word); |