pinctrl: sh-pfc: Confine legacy function GPIOs to SH
Legacy function GPIOs are no longer used on ARM since commit
a27c5cd1a08cc95c ("sh-pfc: sh73a0: Remove function GPIOs").
Extract its setup code into a separate function, and make all function
GPIO related code and data depend on CONFIG_SUPERH.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h
index 4c3c37b..c38ace4 100644
--- a/drivers/pinctrl/sh-pfc/core.h
+++ b/drivers/pinctrl/sh-pfc/core.h
@@ -46,7 +46,9 @@
unsigned int nr_gpio_pins;
struct sh_pfc_chip *gpio;
+#ifdef CONFIG_SUPERH
struct sh_pfc_chip *func;
+#endif
struct sh_pfc_pinctrl *pinctrl;
};
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index e464390..685b3c2 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -261,6 +261,7 @@
* Function GPIOs
*/
+#ifdef CONFIG_SUPERH
static int gpio_function_request(struct gpio_chip *gc, unsigned offset)
{
static bool __print_once;
@@ -300,6 +301,7 @@
return 0;
}
+#endif
/* -----------------------------------------------------------------------------
* Register/unregister
@@ -399,6 +401,7 @@
}
}
+#ifdef CONFIG_SUPERH
/* Register the function GPIOs chip. */
if (pfc->info->nr_func_gpios == 0)
return 0;
@@ -408,6 +411,7 @@
return PTR_ERR(chip);
pfc->func = chip;
+#endif /* CONFIG_SUPERH */
return 0;
}
@@ -415,7 +419,8 @@
int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc)
{
gpiochip_remove(&pfc->gpio->gpio_chip);
+#ifdef CONFIG_SUPERH
gpiochip_remove(&pfc->func->gpio_chip);
-
+#endif
return 0;
}
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 15afd49..7cb1ed6 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -143,8 +143,10 @@
const struct sh_pfc_function *functions;
unsigned int nr_functions;
+#ifdef CONFIG_SUPERH
const struct pinmux_func *func_gpios;
unsigned int nr_func_gpios;
+#endif
const struct pinmux_cfg_reg *cfg_regs;
const struct pinmux_data_reg *data_regs;