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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 08:57:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 09:01:08 +0200
commita22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch)
tree61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /drivers/spi/spi-orion.c
parentdrm/i915: don't grab dev->struct_mutex for userspace forcewak (diff)
parentLinux 3.6-rc2 (diff)
downloadlinux-dev-a22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4.tar.xz
linux-dev-a22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4.zip
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put even more madness on top: - drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in -fixes, that has been changed in a variable-rename in -next, too. - drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr (since all their users have been extracted in another fucntion), -fixes added another user for a hw workaroudn. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/spi/spi-orion.c')
-rw-r--r--drivers/spi/spi-orion.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index dfd04e91fa6d..9b0caddce503 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),
};