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[ARM] 3760/1: This patch adds timeouts while working with SSP registers. Such timeouts were en

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Patch from Paul Sokolovsky

This patch adds timeouts while working with SSP registers. Such
timeouts were envisioned by docstrings in ssp.c, but were not
implemented. There were actual lockups while accessing
touchscreen for iPaqs h1910, h4000 due to lack of the timeouts.
This is updated version of previously submitted patch: 3738/1.

Signed-off-by: Paul Sokolovsky <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Paul Sokolovsky 2006-08-27 12:54:56 +01:00 • committed by Russell King
commit 8f1bf8743c
5 changed files with 82 additions and 27 deletions
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4
include/asm-arm/arch-pxa/ssp.h
View file

@ -40,8 +40,8 @@ struct ssp_dev {
};
int ssp_write_word(struct ssp_dev *dev, u32 data);
int ssp_read_word(struct ssp_dev *dev);
void ssp_flush(struct ssp_dev *dev);
int ssp_read_word(struct ssp_dev *dev, u32 *data);
int ssp_flush(struct ssp_dev *dev);
void ssp_enable(struct ssp_dev *dev);
void ssp_disable(struct ssp_dev *dev);
void ssp_save_state(struct ssp_dev *dev, struct ssp_state *ssp);

4
include/asm-arm/hardware/ssp.h
View file

@ -16,8 +16,8 @@ struct ssp_state {
};
int ssp_write_word(u16 data);
int ssp_read_word(void);
void ssp_flush(void);
int ssp_read_word(u16 *data);
int ssp_flush(void);
void ssp_enable(void);
void ssp_disable(void);
void ssp_save_state(struct ssp_state *ssp);