[1/2,V2] spi/mmc_spi: SPI bus locking API, using mutex

Commit Message

Ernst Schwab Feb. 18, 2010, 12:50 p.m. UTC

None

Patch

diff -upr a/drivers/spi/spi.c b/drivers/spi/spi.c
--- a/drivers/spi/spi.c
+++ a/drivers/spi/spi.c
@@ -852,7 +852,7 @@  static int __spi_sync(struct spi_device 
  */
 int spi_sync(struct spi_device *spi, struct spi_message *message)
 {
-	__spi_sync(spi, message, 0);
+	return __spi_sync(spi, message, 0);
 }
 EXPORT_SYMBOL_GPL(spi_sync);
 
@@ -874,7 +874,7 @@  EXPORT_SYMBOL_GPL(spi_sync);
  */
 int spi_sync_locked(struct spi_device *spi, struct spi_message *message)
 {
-	__spi_sync(spi, message, 1);
+	return __spi_sync(spi, message, 1);
 }
 EXPORT_SYMBOL_GPL(spi_sync_locked);