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pinctrl: bcm2835: make use of of_property_read_u32_index()

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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>
This commit is contained in:
Stephen Warren 2013-03-28 05:09:57 +00:00 committed by Tony Prisk
parent dc1010860b
commit ce63d6d4bb
1 changed files with 11 additions and 8 deletions
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19
drivers/pinctrl/pinctrl-bcm2835.c
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@ -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)