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of/spi: Fix OF-style driver binding of spi devices

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This patch adds the OF hook to the spi core so that devices
can automatically be registered based on device tree data.  This fixes
a problem with spi devices not binding to drivers after the cleanup of
the spi & i2c binding code.

Signed-off-by: Sinan Akman <sinan@writeme.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Sinan Akman 2010-10-02 21:28:29 -06:00 committed by Grant Likely
parent 23699f98f8
commit 2b7a32f7ec
1 changed files with 5 additions and 0 deletions
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5
drivers/spi/spi.c
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@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/cache.h>
#include <linux/mutex.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
@ -86,6 +87,10 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
const struct spi_device *spi = to_spi_device(dev);
const struct spi_driver *sdrv = to_spi_driver(drv);
/* Attempt an OF style match */
if (of_driver_match_device(dev, drv))
return 1;
if (sdrv->id_table)
return !!spi_match_id(sdrv->id_table, spi);