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From be9be95ff10e16a5b4ad36f903978d0cc5747024 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:04:08 +0200
Subject: kernel: fix linux/spi/spidev.h portability issues with musl

Felix will try to get this define included into musl

lede-commit: 795e7cf60de19e7a076a46874fab7bb88b43bbff
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 include/uapi/linux/spi/spidev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/uapi/linux/spi/spidev.h
+++ b/include/uapi/linux/spi/spidev.h
@@ -112,7 +112,7 @@ 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)])