[PATCH 3/4] i2c: meson: fix return codes on error
Beniamino Galvani
b.galvani at gmail.com
Sun Nov 26 08:40:56 PST 2017
Change meson_i2c_xfer_msg() to return -EREMOTEIO in case of NACK, as
done by other drivers. Also, don't change the return error in
meson_i2c_xfer().
Signed-off-by: Beniamino Galvani <b.galvani at gmail.com>
---
drivers/i2c/meson_i2c.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/meson_i2c.c b/drivers/i2c/meson_i2c.c
index 84e1997c76..2f39214ad2 100644
--- a/drivers/i2c/meson_i2c.c
+++ b/drivers/i2c/meson_i2c.c
@@ -178,7 +178,7 @@ static int meson_i2c_xfer_msg(struct meson_i2c *i2c, struct i2c_msg *msg,
if (readl(&i2c->regs->ctrl) & REG_CTRL_ERROR) {
debug("meson i2c: error\n");
- return -ENXIO;
+ return -EREMOTEIO;
}
if ((msg->flags & I2C_M_RD) && i2c->count) {
@@ -200,7 +200,7 @@ static int meson_i2c_xfer(struct udevice *bus, struct i2c_msg *msg,
for (i = 0; i < nmsgs; i++) {
ret = meson_i2c_xfer_msg(i2c, msg + i, i == nmsgs - 1);
if (ret)
- return -EREMOTEIO;
+ return ret;
}
return 0;
--
2.14.3
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