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path: root/target/linux/generic/patches-3.18/214-spidev_h_portability.patch
blob: dbee0905473d97c7d09b028767f2f4a72da79d58 (plain)
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--- a/include/uapi/linux/spi/spidev.h
+++ b/include/uapi/linux/spi/spidev.h
@@ -111,7 +111,7 @@ struct spi_ioc_transfer {
 
 /* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */
 #define SPI_MSGSIZE(N) \
-	((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
+	((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << 13)) \
 		? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
 #define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])