kernel: add linux 4.4 support

[openwrt/openwrt.git] / target / linux / generic / patches-4.4 / 214-spidev_h_portability.patch

diff --git a/target/linux/generic/patches-4.4/214-spidev_h_portability.patch b/target/linux/generic/patches-4.4/214-spidev_h_portability.patch
new file mode 100644 (file)
index 0000000..dbee090
--- /dev/null
+++ b/target/linux/generic/patches-4.4/214-spidev_h_portability.patch
@@ -0,0 +1,11 @@
+--- 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)])
+