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i2c-pxa: Add polling transfer

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Add polling I2C transfer implementation for PXA I2C. This is needed
for cases where I2C transactions have to occur at times interrups are
disabled.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Mike Rapoport
2008-01-27 18:14:50 +01:00
committed by Jean Delvare
parent cea443a81c
commit b7a3670131
3 changed files with 133 additions and 12 deletions
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6
include/asm-arm/arch-pxa/i2c.h
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@@ -65,7 +65,13 @@ struct i2c_pxa_platform_data {
unsigned int slave_addr;
struct i2c_slave_client *slave;
unsigned int class;
int use_pio;
};
extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info);
#ifdef CONFIG_PXA27x
extern void pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info);
#endif
#endif