diff options
Diffstat (limited to 'drivers/spi/spi-orion.c')
| -rw-r--r-- | drivers/spi/spi-orion.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index dfd04e91fa6..9b0caddce50 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -17,6 +17,7 @@ #include <linux/io.h> #include <linux/spi/spi.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/clk.h> #include <asm/unaligned.h> @@ -45,7 +46,6 @@ struct orion_spi { void __iomem *base; unsigned int max_speed; unsigned int min_speed; - struct orion_spi_info *spi_info; struct clk *clk; }; @@ -450,11 +450,10 @@ static int __init orion_spi_probe(struct platform_device *pdev) struct spi_master *master; struct orion_spi *spi; struct resource *r; - struct orion_spi_info *spi_info; unsigned long tclk_hz; int status = 0; - - spi_info = pdev->dev.platform_data; + const u32 *iprop; + int size; master = spi_alloc_master(&pdev->dev, sizeof *spi); if (master == NULL) { @@ -464,6 +463,12 @@ static int __init orion_spi_probe(struct platform_device *pdev) if (pdev->id != -1) master->bus_num = pdev->id; + if (pdev->dev.of_node) { + iprop = of_get_property(pdev->dev.of_node, "cell-index", + &size); + if (iprop && size == sizeof(*iprop)) + master->bus_num = *iprop; + } /* we support only mode 0, and no options */ master->mode_bits = 0; @@ -476,7 +481,6 @@ static int __init orion_spi_probe(struct platform_device *pdev) spi = spi_master_get_devdata(master); spi->master = master; - spi->spi_info = spi_info; spi->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(spi->clk)) { @@ -511,6 +515,7 @@ static int __init orion_spi_probe(struct platform_device *pdev) if (orion_spi_reset(spi) < 0) goto out_rel_mem; + master->dev.of_node = pdev->dev.of_node; status = spi_register_master(master); if (status < 0) goto out_rel_mem; @@ -552,10 +557,17 @@ static int __exit orion_spi_remove(struct platform_device *pdev) MODULE_ALIAS("platform:" DRIVER_NAME); +static const struct of_device_id orion_spi_of_match_table[] __devinitdata = { + { .compatible = "marvell,orion-spi", }, + {} +}; +MODULE_DEVICE_TABLE(of, orion_spi_of_match_table); + static struct platform_driver orion_spi_driver = { .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(orion_spi_of_match_table), }, .remove = __exit_p(orion_spi_remove), }; |