xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge remote-tracking branch 'spi/topic/bfin' into spi-next

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This commit is contained in:
Mark Brown
2013-10-25 09:51:21 +01:00
parent 2ef2e60d2f db9371b853
commit 52d85ebb7b
24 changed files with 88 additions and 88 deletions
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35
drivers/spi/spi.c
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@@ -1245,6 +1245,41 @@ done:
}
EXPORT_SYMBOL_GPL(spi_register_master);
static void devm_spi_unregister(struct device *dev, void *res)
{
spi_unregister_master(*(struct spi_master **)res);
}
/**
* dev_spi_register_master - register managed SPI master controller
* @dev: device managing SPI master
* @master: initialized master, originally from spi_alloc_master()
* Context: can sleep
*
* Register a SPI device as with spi_register_master() which will
* automatically be unregister
*/
int devm_spi_register_master(struct device *dev, struct spi_master *master)
{
struct spi_master **ptr;
int ret;
ptr = devres_alloc(devm_spi_unregister, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return -ENOMEM;
ret = spi_register_master(master);
if (ret != 0) {
*ptr = master;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return ret;
}
EXPORT_SYMBOL_GPL(devm_spi_register_master);
static int __unregister(struct device *dev, void *null)
{
spi_unregister_device(to_spi_device(dev));