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nexedi
linux
Commits
e1641c9d
Commit
e1641c9d
authored
Apr 01, 2016
by
Linus Walleij
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Revert "Revert "pinctrl: lantiq: Implement gpio_chip.to_irq""
This reverts commit
446f59ac
.
parent
a9b0b1fe
Changes
1
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1 changed file
with
17 additions
and
0 deletions
+17
-0
drivers/pinctrl/pinctrl-xway.c
drivers/pinctrl/pinctrl-xway.c
+17
-0
No files found.
drivers/pinctrl/pinctrl-xway.c
View file @
e1641c9d
...
@@ -1573,6 +1573,22 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
...
@@ -1573,6 +1573,22 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
return
0
;
return
0
;
}
}
/*
* gpiolib gpiod_to_irq callback function.
* Returns the mapped IRQ (external interrupt) number for a given GPIO pin.
*/
static
int
xway_gpio_to_irq
(
struct
gpio_chip
*
chip
,
unsigned
offset
)
{
struct
ltq_pinmux_info
*
info
=
dev_get_drvdata
(
chip
->
parent
);
int
i
;
for
(
i
=
0
;
i
<
info
->
num_exin
;
i
++
)
if
(
info
->
exin
[
i
]
==
offset
)
return
ltq_eiu_get_irq
(
i
);
return
-
1
;
}
static
struct
gpio_chip
xway_chip
=
{
static
struct
gpio_chip
xway_chip
=
{
.
label
=
"gpio-xway"
,
.
label
=
"gpio-xway"
,
.
direction_input
=
xway_gpio_dir_in
,
.
direction_input
=
xway_gpio_dir_in
,
...
@@ -1581,6 +1597,7 @@ static struct gpio_chip xway_chip = {
...
@@ -1581,6 +1597,7 @@ static struct gpio_chip xway_chip = {
.
set
=
xway_gpio_set
,
.
set
=
xway_gpio_set
,
.
request
=
gpiochip_generic_request
,
.
request
=
gpiochip_generic_request
,
.
free
=
gpiochip_generic_free
,
.
free
=
gpiochip_generic_free
,
.
to_irq
=
xway_gpio_to_irq
,
.
base
=
-
1
,
.
base
=
-
1
,
};
};
...
...
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