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authorStephen Warren <swarren@nvidia.com>2011-10-20 02:19:25 +0400
committerLinus Walleij <linus.walleij@linaro.org>2011-10-20 13:41:49 +0400
commita5818a8bd095a08cfb1871b63af9c8bed103e4b9 (patch)
tree7fc2ade1186cc42877f21a0eead3843515b914be
parent393daa814f4bbc6f5c099178c073fae9f7ef6177 (diff)
downloadlinux-a5818a8bd095a08cfb1871b63af9c8bed103e4b9.tar.xz
pinctrl: get_group_pins() const fixes
get_group_pins() "returns" a pointer to an array of const objects, through a pointer parameter. Fix the prototype so what's pointed at by the returned pointer is const, rather than the function parameter being const. This also allows the removal of a cast in each of the two current pinmux drivers. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/pinctrl/core.c2
-rw-r--r--drivers/pinctrl/pinmux-sirf.c6
-rw-r--r--drivers/pinctrl/pinmux-u300.c6
-rw-r--r--drivers/pinctrl/pinmux.c4
-rw-r--r--include/linux/pinctrl/pinctrl.h4
5 files changed, 11 insertions, 11 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index b2eaf8d4412a..ceb63275c7fe 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -329,7 +329,7 @@ static int pinctrl_groups_show(struct seq_file *s, void *what)
seq_puts(s, "registered pin groups:\n");
while (ops->list_groups(pctldev, selector) >= 0) {
- unsigned *pins;
+ const unsigned *pins;
unsigned num_pins;
const char *gname = ops->get_group_name(pctldev, selector);
int ret;
diff --git a/drivers/pinctrl/pinmux-sirf.c b/drivers/pinctrl/pinmux-sirf.c
index c48c5634201e..ddcea1820935 100644
--- a/drivers/pinctrl/pinmux-sirf.c
+++ b/drivers/pinctrl/pinmux-sirf.c
@@ -869,12 +869,12 @@ static const char *sirfsoc_get_group_name(struct pinctrl_dev *pctldev,
}
static int sirfsoc_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
- unsigned ** const pins,
- unsigned * const num_pins)
+ const unsigned **pins,
+ const unsigned *num_pins)
{
if (selector >= ARRAY_SIZE(sirfsoc_pin_groups))
return -EINVAL;
- *pins = (unsigned *) sirfsoc_pin_groups[selector].pins;
+ *pins = sirfsoc_pin_groups[selector].pins;
*num_pins = sirfsoc_pin_groups[selector].num_pins;
return 0;
}
diff --git a/drivers/pinctrl/pinmux-u300.c b/drivers/pinctrl/pinmux-u300.c
index f9db1cebff00..71d23b736ff5 100644
--- a/drivers/pinctrl/pinmux-u300.c
+++ b/drivers/pinctrl/pinmux-u300.c
@@ -849,12 +849,12 @@ static const char *u300_get_group_name(struct pinctrl_dev *pctldev,
}
static int u300_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
- unsigned ** const pins,
- unsigned * const num_pins)
+ const unsigned **pins,
+ unsigned *num_pins)
{
if (selector >= ARRAY_SIZE(u300_pin_groups))
return -EINVAL;
- *pins = (unsigned *) u300_pin_groups[selector].pins;
+ *pins = u300_pin_groups[selector].pins;
*num_pins = u300_pin_groups[selector].num_pins;
return 0;
}
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 6544d98b2cf8..90fb00d9a8a2 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -326,7 +326,7 @@ static int acquire_pins(struct pinctrl_dev *pctldev,
const struct pinmux_ops *pmxops = pctldev->desc->pmxops;
const char *func = pmxops->get_function_name(pctldev,
func_selector);
- unsigned *pins;
+ const unsigned *pins;
unsigned num_pins;
int ret;
int i;
@@ -367,7 +367,7 @@ static void release_pins(struct pinctrl_dev *pctldev,
unsigned group_selector)
{
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
- unsigned *pins;
+ const unsigned *pins;
unsigned num_pins;
int ret;
int i;
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 4f8d2089acce..3605e947fa90 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -75,8 +75,8 @@ struct pinctrl_ops {
unsigned selector);
int (*get_group_pins) (struct pinctrl_dev *pctldev,
unsigned selector,
- unsigned ** const pins,
- unsigned * const num_pins);
+ const unsigned **pins,
+ unsigned *num_pins);
void (*pin_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s,
unsigned offset);
};