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authorCorey Minyard <cminyard@mvista.com>2018-11-14 11:50:50 -0600
committerCorey Minyard <cminyard@mvista.com>2019-02-27 21:06:08 -0600
commit2ac4c5f4d2415116d3f417a32311d437791dcfce (patch)
tree5abf8e22939c5c1c030643ffe2fcdfe7bb16344c /hw/misc
parent93198b6cad8af03996373584284a1673ad6000cb (diff)
i2c: have I2C receive operation return uint8_t
It is never supposed to fail and cannot return an error, so just have it return the proper type. Have it return 0xff on nothing available, since that's what would happen on a real bus. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'hw/misc')
-rw-r--r--hw/misc/pca9552.c2
-rw-r--r--hw/misc/tmp105.c2
-rw-r--r--hw/misc/tmp421.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/hw/misc/pca9552.c b/hw/misc/pca9552.c
index 9775d5274a..7325d3f287 100644
--- a/hw/misc/pca9552.c
+++ b/hw/misc/pca9552.c
@@ -115,7 +115,7 @@ static void pca9552_autoinc(PCA9552State *s)
}
}
-static int pca9552_recv(I2CSlave *i2c)
+static uint8_t pca9552_recv(I2CSlave *i2c)
{
PCA9552State *s = PCA9552(i2c);
uint8_t ret;
diff --git a/hw/misc/tmp105.c b/hw/misc/tmp105.c
index f6d7163273..0c32f6f8b6 100644
--- a/hw/misc/tmp105.c
+++ b/hw/misc/tmp105.c
@@ -147,7 +147,7 @@ static void tmp105_write(TMP105State *s)
}
}
-static int tmp105_rx(I2CSlave *i2c)
+static uint8_t tmp105_rx(I2CSlave *i2c)
{
TMP105State *s = TMP105(i2c);
diff --git a/hw/misc/tmp421.c b/hw/misc/tmp421.c
index eeb11000f0..ce6d40ac9c 100644
--- a/hw/misc/tmp421.c
+++ b/hw/misc/tmp421.c
@@ -249,7 +249,7 @@ static void tmp421_write(TMP421State *s)
}
}
-static int tmp421_rx(I2CSlave *i2c)
+static uint8_t tmp421_rx(I2CSlave *i2c)
{
TMP421State *s = TMP421(i2c);