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sh-pfc: Add support for SoC-specific initialization 

Add two optional init and exit SoC operations and call them from the
core at probe and remove time.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
hifive-unleashed-5.1
Laurent Pinchart 2013-04-21 20:21:57 +02:00 committed by Simon Horman
parent 0ccaf5bb3f
commit 0c151062f3
3 changed files with 18 additions and 1 deletions
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16
drivers/pinctrl/sh-pfc/core.c
View File

@ -372,6 +372,12 @@ static int sh_pfc_probe(struct platform_device *pdev)
spin_lock_init(&pfc->lock);
if (info->ops && info->ops->init) {
ret = info->ops->init(pfc);
if (ret < 0)
return ret;
}
pinctrl_provide_dummies();
/*
@ -379,7 +385,7 @@ static int sh_pfc_probe(struct platform_device *pdev)
*/
ret = sh_pfc_register_pinctrl(pfc);
if (unlikely(ret != 0))
return ret;
goto error;
#ifdef CONFIG_GPIO_SH_PFC
/*
@ -401,6 +407,11 @@ static int sh_pfc_probe(struct platform_device *pdev)
dev_info(pfc->dev, "%s support registered\n", info->name);
return 0;
error:
if (info->ops && info->ops->exit)
info->ops->exit(pfc);
return ret;
}
static int sh_pfc_remove(struct platform_device *pdev)
@ -412,6 +423,9 @@ static int sh_pfc_remove(struct platform_device *pdev)
#endif
sh_pfc_unregister_pinctrl(pfc);
if (pfc->info->ops && pfc->info->ops->exit)
pfc->info->ops->exit(pfc);
platform_set_drvdata(pdev, NULL);
return 0;

1
drivers/pinctrl/sh-pfc/core.h
View File

@ -28,6 +28,7 @@ struct sh_pfc_pinctrl;
struct sh_pfc {
struct device *dev;
const struct sh_pfc_soc_info *info;
void *soc_data;
spinlock_t lock;
unsigned int num_windows;

2
drivers/pinctrl/sh-pfc/sh_pfc.h
View File

@ -129,6 +129,8 @@ struct pinmux_range {
struct sh_pfc;
struct sh_pfc_soc_operations {
int (*init)(struct sh_pfc *pfc);
void (*exit)(struct sh_pfc *pfc);
unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
unsigned int bias);