diff options
| author | Mark Brown <broonie@linaro.org> | 2013-07-01 21:33:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-07-15 12:45:52 +0200 |
| commit | c40537d008ab1b4fe2f12641cca1462de10a95f7 (patch) | |
| tree | 41e0bfabd3fa7d74d71a9ff2bb0a2e237d8b3c52 /drivers/spi/spi-xilinx.c | |
| parent | Linux 3.11-rc1 (diff) | |
| download | linux-c40537d008ab1b4fe2f12641cca1462de10a95f7.tar.xz linux-c40537d008ab1b4fe2f12641cca1462de10a95f7.zip | |
spi/xilinx: Convert to devm_ioremap_resource()
Saves code and reduces the possibility of error.
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-xilinx.c')
| -rw-r--r-- | drivers/spi/spi-xilinx.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index fb56fcfdf65e..ad48710b2859 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -362,14 +362,10 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, xspi->bitbang.txrx_bufs = xilinx_spi_txrx_bufs; init_completion(&xspi->done); - if (!request_mem_region(mem->start, resource_size(mem), - XILINX_SPI_NAME)) + xspi->regs = devm_ioremap_resource(dev, mem); + if (IS_ERR(xspi->regs)) { + ret = PTR_ERR(xspi->regs); goto put_master; - - xspi->regs = ioremap(mem->start, resource_size(mem)); - if (xspi->regs == NULL) { - dev_warn(dev, "ioremap failure\n"); - goto map_failed; } master->bus_num = bus_num; @@ -408,7 +404,7 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, xspi->tx_fn = xspi_tx32; xspi->rx_fn = xspi_rx32; } else - goto unmap_io; + goto put_master; /* SPI controller initializations */ @@ -417,7 +413,7 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, /* Register for SPI Interrupt */ ret = request_irq(xspi->irq, xilinx_spi_irq, 0, XILINX_SPI_NAME, xspi); if (ret) - goto unmap_io; + goto put_master; ret = spi_bitbang_start(&xspi->bitbang); if (ret) { @@ -431,10 +427,6 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, free_irq: free_irq(xspi->irq, xspi); -unmap_io: - iounmap(xspi->regs); -map_failed: - release_mem_region(mem->start, resource_size(mem)); put_master: spi_master_put(master); return NULL; @@ -449,9 +441,7 @@ void xilinx_spi_deinit(struct spi_master *master) spi_bitbang_stop(&xspi->bitbang); free_irq(xspi->irq, xspi); - iounmap(xspi->regs); - release_mem_region(xspi->mem.start, resource_size(&xspi->mem)); spi_master_put(xspi->bitbang.master); } EXPORT_SYMBOL(xilinx_spi_deinit); |