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Use a distinct return code for SPI commands with unsupported/invalid length

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Some drivers support only a few combinations of read/write length and
return error otherwise. Having a distinct return code for this error
means we can handle it in upper layers.

Corresponding to flashrom svn r653.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
This commit is contained in:
Carl-Daniel Hailfinger
2009-07-14 10:26:56 +00:00
parent 78e4e12712
commit 142e30fcaa
6 changed files with 23 additions and 11 deletions
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1
spi.h
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@ -108,5 +108,6 @@
/* Error codes */
#define SPI_INVALID_OPCODE -2
#define SPI_INVALID_ADDRESS -3
#define SPI_INVALID_LENGTH -4
#endif /* !__SPI_H__ */