2 files changed, 23 insertions, 22 deletions

diff --git a/drivers/video/fbdev/amba-clcd-nomadik.c b/drivers/video/fbdev/amba-clcd-nomadik.c
index 0c06fcaaa6e8..476ff3f4d466 100644
--- a/drivers/video/fbdev/amba-clcd-nomadik.c
+++ b/drivers/video/fbdev/amba-clcd-nomadik.c
@@ -184,32 +184,31 @@ static void tpg110_init(struct device *dev, struct device_node *np,
 {
 	dev_info(dev, "TPG110 display init\n");
 
-	grestb = devm_get_gpiod_from_child(dev, "grestb", &np->fwnode);
+	/* This asserts the GRESTB signal, putting the display into reset */
+	grestb = devm_fwnode_get_gpiod_from_child(dev, "grestb", &np->fwnode,
+						  GPIOD_OUT_HIGH, "grestb");
 	if (IS_ERR(grestb)) {
 		dev_err(dev, "no GRESTB GPIO\n");
 		return;
 	}
-	/* This asserts the GRESTB signal, putting the display into reset */
-	gpiod_direction_output(grestb, 1);
-
-	scen = devm_get_gpiod_from_child(dev, "scen", &np->fwnode);
+	scen = devm_fwnode_get_gpiod_from_child(dev, "scen", &np->fwnode,
+						GPIOD_OUT_LOW, "scen");
 	if (IS_ERR(scen)) {
 		dev_err(dev, "no SCEN GPIO\n");
 		return;
 	}
-	gpiod_direction_output(scen, 0);
-	scl = devm_get_gpiod_from_child(dev, "scl", &np->fwnode);
+	scl = devm_fwnode_get_gpiod_from_child(dev, "scl", &np->fwnode,
+					       GPIOD_OUT_LOW, "scl");
 	if (IS_ERR(scl)) {
 		dev_err(dev, "no SCL GPIO\n");
 		return;
 	}
-	gpiod_direction_output(scl, 0);
-	sda = devm_get_gpiod_from_child(dev, "sda", &np->fwnode);
+	sda = devm_fwnode_get_gpiod_from_child(dev, "sda", &np->fwnode,
+					       GPIOD_OUT_LOW, "sda");
 	if (IS_ERR(sda)) {
 		dev_err(dev, "no SDA GPIO\n");
 		return;
 	}
-	gpiod_direction_output(sda, 0);
 	board->enable = tpg110_enable;
 	board->disable = tpg110_disable;
 }
diff --git a/drivers/video/fbdev/core/fbcmap.c b/drivers/video/fbdev/core/fbcmap.c
index f89245b8ba8e..68a113594808 100644
--- a/drivers/video/fbdev/core/fbcmap.c
+++ b/drivers/video/fbdev/core/fbcmap.c
@@ -163,17 +163,18 @@ void fb_dealloc_cmap(struct fb_cmap *cmap)
 
 int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to)
 {
-	int tooff = 0, fromoff = 0;
-	int size;
+	unsigned int tooff = 0, fromoff = 0;
+	size_t size;
 
 	if (to->start > from->start)
 		fromoff = to->start - from->start;
 	else
 		tooff = from->start - to->start;
-	size = to->len - tooff;
-	if (size > (int) (from->len - fromoff))
-		size = from->len - fromoff;
-	if (size <= 0)
+	if (fromoff >= from->len || tooff >= to->len)
+		return -EINVAL;
+
+	size = min_t(size_t, to->len - tooff, from->len - fromoff);
+	if (size == 0)
 		return -EINVAL;
 	size *= sizeof(u16);
 
@@ -187,17 +188,18 @@ int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to)
 
 int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to)
 {
-	int tooff = 0, fromoff = 0;
-	int size;
+	unsigned int tooff = 0, fromoff = 0;
+	size_t size;
 
 	if (to->start > from->start)
 		fromoff = to->start - from->start;
 	else
 		tooff = from->start - to->start;
-	size = to->len - tooff;
-	if (size > (int) (from->len - fromoff))
-		size = from->len - fromoff;
-	if (size <= 0)
+	if (fromoff >= from->len || tooff >= to->len)
+		return -EINVAL;
+
+	size = min_t(size_t, to->len - tooff, from->len - fromoff);
+	if (size == 0)
 		return -EINVAL;
 	size *= sizeof(u16);