i2c-pxa: Add polling transfer
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>
diff --git a/include/asm-arm/arch-pxa/i2c.h b/include/asm-arm/arch-pxa/i2c.h
index e404b23..80596b0 100644
--- a/include/asm-arm/arch-pxa/i2c.h
+++ b/include/asm-arm/arch-pxa/i2c.h
@@ -65,7 +65,13 @@
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