This patch adds polling mode support for i2c s3c-2410 driver.
The I2C_SATAPHY controller lacks an interrupt line but the s3c-2410 driver
is interrupt driven. Hence this support is required for functioning
of the I2C_SATAPHY controller.

Signed-off-by: Vasanth Ananthan <redacted>
---
 drivers/i2c/busses/i2c-s3c2410.c |   84
+++++++++++++++++++++++++++++--------- 1 files changed, 65 insertions(+),
19 deletions(-)

diff --git a/drivers/i2c/busses/i2c-s3c2410.c

b/drivers/i2c/busses/i2c-s3c2410.c index 5ae3b02..699b530 100644

--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c

@@ -102,10 +103,14 @@ static struct platform_device_id s3c24xx_driver_ids[]

= { };
 MODULE_DEVICE_TABLE(platform, s3c24xx_driver_ids);

+static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long
iicstat); +
 #ifdef CONFIG_OF
 static const struct of_device_id s3c24xx_i2c_match[] = {
 	{ .compatible = "samsung,s3c2410-i2c", .data = (void *)0 },
 	{ .compatible = "samsung,s3c2440-i2c", .data = (void *)QUIRK_S3C2440 },
+	{ .compatible = "samsung,s3c2440-sataphy-i2c",
+	  .data = (void *)(QUIRK_S3C2440|QUIRK_SATAPHY|QUIRK_NO_GPIO) },
 	{ .compatible = "samsung,s3c2440-hdmiphy-i2c",
 	  .data = (void *)(QUIRK_S3C2440 | QUIRK_HDMIPHY | QUIRK_NO_GPIO) },
 	{},