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pinctrl: stmfx: update the result type of dm_i2c_reg_read

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Use int as result of dm_i2c_reg_read to avoid warning with
W=1 (warning: comparison is always false due to limited range
of data type [-Wtype-limits])

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay
2020-01-28 10:44:14 +01:00
parent 167a603b31
commit b10089233e
1 changed files with 4 additions and 3 deletions
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7
drivers/pinctrl/pinctrl-stmfx.c
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@@ -352,11 +352,12 @@ static int stmfx_chip_init(struct udevice *dev)
int ret; int ret;
struct dm_i2c_chip *chip = dev_get_parent_platdata(dev); struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
id = dm_i2c_reg_read(dev, STMFX_REG_CHIP_ID); ret = dm_i2c_reg_read(dev, STMFX_REG_CHIP_ID);
if (id < 0) { if (ret < 0) {
dev_err(dev, "error reading chip id: %d\n", id); dev_err(dev, "error reading chip id: %d\n", ret);
return ret; return ret;
} }
id = (u8)ret;
/* /*
* Check that ID is the complement of the I2C address: * Check that ID is the complement of the I2C address:
* STMFX I2C address follows the 7-bit format (MSB), that's why * STMFX I2C address follows the 7-bit format (MSB), that's why