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authorStephen Warren <swarren@wwwdotorg.org>2013-03-28 05:09:57 +0000
committerTony Prisk <linux@prisktech.co.nz>2013-04-04 18:05:26 +1300
commitce63d6d4bb9f601de32d4b99f925a65182521873 (patch)
tree6b04c519030eb8757d71f23f360e84d9a819b283 /drivers/pinctrl/pinctrl-bcm2835.c
parentdc1010860b03a0db7683bafb69a4bc2310f4d9ec (diff)
pinctrl: bcm2835: make use of of_property_read_u32_index()
Use the new standard API of_property_read_u32_index() instead of open- coding it. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Diffstat (limited to 'drivers/pinctrl/pinctrl-bcm2835.c')
-rw-r--r--drivers/pinctrl/pinctrl-bcm2835.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
index 4eb6d2c4e4df..2a2e427d765e 100644
--- a/drivers/pinctrl/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/pinctrl-bcm2835.c
@@ -699,11 +699,6 @@ static int bcm2835_pctl_dt_node_to_map_pull(struct bcm2835_pinctrl *pc,
return 0;
}
-static inline u32 prop_u32(struct property *p, int i)
-{
- return be32_to_cpup(((__be32 *)p->value) + i);
-}
-
static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
struct device_node *np,
struct pinctrl_map **map, unsigned *num_maps)
@@ -761,7 +756,9 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
return -ENOMEM;
for (i = 0; i < num_pins; i++) {
- pin = prop_u32(pins, i);
+ err = of_property_read_u32_index(np, "brcm,pins", i, &pin);
+ if (err)
+ goto out;
if (pin >= ARRAY_SIZE(bcm2835_gpio_pins)) {
dev_err(pc->dev, "%s: invalid brcm,pins value %d\n",
of_node_full_name(np), pin);
@@ -770,14 +767,20 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
}
if (num_funcs) {
- func = prop_u32(funcs, (num_funcs > 1) ? i : 0);
+ err = of_property_read_u32_index(np, "brcm,function",
+ (num_funcs > 1) ? i : 0, &func);
+ if (err)
+ goto out;
err = bcm2835_pctl_dt_node_to_map_func(pc, np, pin,
func, &cur_map);
if (err)
goto out;
}
if (num_pulls) {
- pull = prop_u32(pulls, (num_pulls > 1) ? i : 0);
+ err = of_property_read_u32_index(np, "brcm,pull",
+ (num_funcs > 1) ? i : 0, &pull);
+ if (err)
+ goto out;
err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,
pull, &cur_map);
if (err)