Re: [PATCH 3/4] i2c: xiic: Correct the datatype for rx_watermark

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On 4/20/22 09:59, Shubhrajyoti Datta wrote:
The message length data type should be u16 as per the i2c_msg structure

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
---
  drivers/i2c/busses/i2c-xiic.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 16a7e3164e68..eb4d34e7c0fe 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -576,7 +576,7 @@ static int xiic_busy(struct xiic_i2c *i2c)
static void xiic_start_recv(struct xiic_i2c *i2c)
  {
-	u8 rx_watermark;
+	u16 rx_watermark;
  	struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
/* Clear and enable Rx full interrupt. */

xiic_setreg8(struct xiic_i2c *i2c, int reg, u8 value) has u8 value it means I would expect you will also recast it. Value can't be more then IIC_RX_FIFO_DEPTH anyway that's why it shouldn't be a problem.

xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, (u8)(rx_watermark - 1));

Thanks,
Michal



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