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spi: spi_bfin: update handling of delay-after-deselect

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Move cs_chg_udelay handling (specific to this driver) to cs_deactive(), fixing
a bug when some SPI LCD driver needs delay after cs_deactive.

Fix bug reported by Cameron Barfield <[email protected]>
https://blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&forum_id=39&_forum_action=ForumMessageBrowse&thread_id=23630&feedback=Message%20replied.

Cc: Cameron Barfield <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Bryan Wu 2007-12-04 23:45:20 -08:00 • committed by Linus Torvalds
commit 62310e51ac
2 changed files with 10 additions and 16 deletions
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2
include/asm-blackfin/bfin5xx_spi.h
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@ -162,7 +162,7 @@ struct bfin5xx_spi_chip {
u8 enable_dma;
u8 bits_per_word;
u8 cs_change_per_word;
u8 cs_chg_udelay;
u16 cs_chg_udelay; /* Some devices require 16-bit delays */
};
#endif /* _SPI_CHANNEL_H_ */