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Commit 0c151062 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Simon Horman
Browse files

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: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 0ccaf5bb

drivers/pinctrl/sh-pfc/core.c

+15 −1
Original line number Diff line number Diff line
@@ -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;

drivers/pinctrl/sh-pfc/core.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/pinctrl/sh-pfc/sh_pfc.h

+2 −0
Original line number Diff line number Diff line
@@ -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);