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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>
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0ccaf5bb3f
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0c151062f3
3 changed files with 18 additions and 1 deletions
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@ -372,6 +372,12 @@ static int sh_pfc_probe(struct platform_device *pdev)
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spin_lock_init(&pfc->lock);
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if (info->ops && info->ops->init) {
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ret = info->ops->init(pfc);
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if (ret < 0)
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return ret;
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}
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pinctrl_provide_dummies();
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/*
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@ -379,7 +385,7 @@ static int sh_pfc_probe(struct platform_device *pdev)
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*/
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ret = sh_pfc_register_pinctrl(pfc);
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if (unlikely(ret != 0))
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return ret;
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goto error;
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#ifdef CONFIG_GPIO_SH_PFC
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/*
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@ -401,6 +407,11 @@ static int sh_pfc_probe(struct platform_device *pdev)
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dev_info(pfc->dev, "%s support registered\n", info->name);
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return 0;
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error:
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if (info->ops && info->ops->exit)
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info->ops->exit(pfc);
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return ret;
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}
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static int sh_pfc_remove(struct platform_device *pdev)
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@ -412,6 +423,9 @@ static int sh_pfc_remove(struct platform_device *pdev)
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#endif
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sh_pfc_unregister_pinctrl(pfc);
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if (pfc->info->ops && pfc->info->ops->exit)
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pfc->info->ops->exit(pfc);
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platform_set_drvdata(pdev, NULL);
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return 0;
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@ -28,6 +28,7 @@ struct sh_pfc_pinctrl;
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struct sh_pfc {
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struct device *dev;
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const struct sh_pfc_soc_info *info;
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void *soc_data;
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spinlock_t lock;
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unsigned int num_windows;
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@ -129,6 +129,8 @@ struct pinmux_range {
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struct sh_pfc;
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struct sh_pfc_soc_operations {
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int (*init)(struct sh_pfc *pfc);
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void (*exit)(struct sh_pfc *pfc);
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unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
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void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
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unsigned int bias);
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