ramips: 5.15: handle return from device_reset in I2C driver

Handle return from device reset in I2C driver. Don't fail on
device_reset error but print a warning.

Fix compilation warning:
sound/soc/ralink/ralink-i2s.c: In function 'ralink_i2s_probe':
sound/soc/ralink/ralink-i2s.c:885:9: error: ignoring return value of 'device_reset' declared with attribute 'warn_unused_result' [-Werror=unused-result]
  885 |         device_reset(&pdev->dev);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

diff --git a/target/linux/ramips/patches-5.15/825-i2c-MIPS-adds-ralink-I2C-driver.patch b/target/linux/ramips/patches-5.15/825-i2c-MIPS-adds-ralink-I2C-driver.patch
index 5a4491c95a697413e16451f19f165d41babd34f2..da6f8e5a1e1e7884cad21f4d3d3bffac636f086e 100644 (file)
--- a/target/linux/ramips/patches-5.15/825-i2c-MIPS-adds-ralink-I2C-driver.patch
+++ b/target/linux/ramips/patches-5.15/825-i2c-MIPS-adds-ralink-I2C-driver.patch
@@ -69,7 +69,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  obj-$(CONFIG_I2C_QUP)         += i2c-qup.o
 --- /dev/null
 +++ b/drivers/i2c/busses/i2c-ralink.c
-@@ -0,0 +1,435 @@
+@@ -0,0 +1,440 @@
 +/*
 + * drivers/i2c/busses/i2c-ralink.c
 + *
@@ -245,7 +245,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +
 +static void rt_i2c_reset(struct rt_i2c *i2c)
 +{
-+      device_reset(i2c->adap.dev.parent);
++      int ret;
++
++      ret = device_reset(i2c->adap.dev.parent);
++      if (ret)
++              dev_err(i2c->dev, "Failed to reset device");
++
 +      barrier();
 +      rt_i2c_w32(i2c, i2c->clk_div, REG_CLKDIV_REG);
 +}