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spi: spi_s3c24xx must initialize num_chipselect

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The SPI core now expects num_chipselect to be set correctly as due to added
checks on the chip being selected before an transfer is allowed.  This patch
adds a num_cs field to the platform data which needs to be set correctly
before adding the SPI platform device.

Signed-off-by: Ben Dooks <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ben Dooks 2008-04-15 14:34:46 -07:00 • committed by Linus Torvalds
commit d1e7780638
2 changed files with 5 additions and 0 deletions
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1
include/asm-arm/arch-s3c2410/spi.h
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@ -15,6 +15,7 @@
struct s3c2410_spi_info {
unsigned long pin_cs; /* simple gpio cs */
unsigned int num_cs; /* total chipselects */
void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
};