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i2c-algo-pca: Rework waiting for a free bus

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Waiting for a free bus now accepts the timeout value in jiffies and does
proper checking using time_before.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Wolfram Sang
2009-03-28 21:34:45 +01:00
committed by Jean Delvare
parent eff9ec95ef
commit 8e99ada8de
4 changed files with 13 additions and 10 deletions
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include/linux/i2c-pca-platform.h
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@@ -6,7 +6,7 @@ struct i2c_pca9564_pf_platform_data {
* not supplied (negative value), but it
* cannot exit some error conditions then */
int i2c_clock_speed; /* values are defined in linux/i2c-algo-pca.h */
int timeout; /* timeout = this value * 10us */
int timeout; /* timeout in jiffies */
};
#endif /* I2C_PCA9564_PLATFORM_H */