udelay isn't provided in the PBL, so use our own definition.
This avoids boards having to define udelay in their code.
Signed-off-by: John Watts <contact@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-imx-early.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx-early.c b/drivers/i2c/busses/i2c-imx-early.c
index 6c8bdc7904..fcf279eff8 100644
--- a/drivers/i2c/busses/i2c-imx-early.c
+++ b/drivers/i2c/busses/i2c-imx-early.c
@@ -90,6 +90,13 @@ static int i2c_fsl_acked(struct fsl_i2c *fsl_i2c)
return i2c_fsl_poll_status(fsl_i2c, 0, I2SR_RXAK);
}
+static void __udelay(int us)
+{
+ volatile int i;
+
+ for (i = 0; i < us * 1000; i++);
+}
+
static int i2c_fsl_start(struct fsl_i2c *fsl_i2c)
{
unsigned int temp = 0;
@@ -104,7 +111,7 @@ static int i2c_fsl_start(struct fsl_i2c *fsl_i2c)
fsl_i2c, FSL_I2C_I2CR);
/* Wait controller to be stable */
- udelay(100);
+ __udelay(100);
/* Start I2C transaction */
temp = fsl_i2c_read_reg(fsl_i2c, FSL_I2C_I2CR);
--
2.39.1
