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- --- a/drivers/i2c/busses/i2c-imx.c
- +++ b/drivers/i2c/busses/i2c-imx.c
- @@ -468,6 +468,8 @@ static int i2c_imx_acked(struct imx_i2c_
- {
- if (imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR) & I2SR_RXAK) {
- dev_dbg(&i2c_imx->adapter.dev, "<%s> No ACK\n", __func__);
- + if (i2c_imx->adapter.retries)
- + return -EAGAIN;
- return -ENXIO; /* No ACK */
- }
-
- @@ -1073,6 +1075,10 @@ static int i2c_imx_probe(struct platform
- i2c_imx->adapter.nr = pdev->id;
- i2c_imx->adapter.dev.of_node = pdev->dev.of_node;
- i2c_imx->base = base;
- + if (of_machine_is_compatible("gw,ventana") && phy_addr == 0x021a0000) {
- + dev_info(&pdev->dev, "Adding retries for Ventana GSC\n");
- + i2c_imx->adapter.retries = 3;
- + }
-
- /* Get I2C clock */
- i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
|
