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12 lines
482 B
12 lines
482 B
10 years ago
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--- a/include/uapi/linux/spi/spidev.h
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+++ b/include/uapi/linux/spi/spidev.h
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@@ -111,7 +111,7 @@ struct spi_ioc_transfer {
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/* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */
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#define SPI_MSGSIZE(N) \
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- ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
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+ ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << 13)) \
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? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
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#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])
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