mmc_spi: Add support for OpenFirmware bindings
The support is implemented via platform data accessors, new module
(of_mmc_spi) will be created automatically when the driver compiles
on OpenFirmware platforms. Link-time dependency will load the module
automatically.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/include/linux/spi/mmc_spi.h b/include/linux/spi/mmc_spi.h
index a3626ae..0f4eb16 100644
--- a/include/linux/spi/mmc_spi.h
+++ b/include/linux/spi/mmc_spi.h
@@ -1,9 +1,10 @@
#ifndef __LINUX_SPI_MMC_SPI_H
#define __LINUX_SPI_MMC_SPI_H
+#include <linux/device.h>
+#include <linux/spi/spi.h>
#include <linux/interrupt.h>
-struct device;
struct mmc_host;
/* Put this in platform_data of a device being used to manage an MMC/SD
@@ -41,4 +42,16 @@
void (*setpower)(struct device *, unsigned int maskval);
};
+#ifdef CONFIG_OF
+extern struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi);
+extern void mmc_spi_put_pdata(struct spi_device *spi);
+#else
+static inline struct mmc_spi_platform_data *
+mmc_spi_get_pdata(struct spi_device *spi)
+{
+ return spi->dev.platform_data;
+}
+static inline void mmc_spi_put_pdata(struct spi_device *spi) {}
+#endif /* CONFIG_OF */
+
#endif /* __LINUX_SPI_MMC_SPI_H */