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Commit bee9f22b authored by Laurent Pinchart's avatar Laurent Pinchart
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sh-pfc: Drop unused support for 1:1 physical to virtual memory mappings 



Now that all PFC platform devices provide memory resources support for
registers without an associated memory resource isn't used anymore. Drop
it.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent e51d5343

drivers/pinctrl/sh-pfc/core.c

+6 −9
Original line number Diff line number Diff line
@@ -30,10 +30,8 @@ static int sh_pfc_ioremap(struct sh_pfc *pfc, struct platform_device *pdev) 
	struct resource *res;

	int k;



	if (pdev->num_resources == 0) {

		pfc->num_windows = 0;

		return 0;

	}

	if (pdev->num_resources == 0)

		return -EINVAL;



	pfc->window = devm_kzalloc(pfc->dev, pdev->num_resources *

				   sizeof(*pfc->window), GFP_NOWAIT);
@@ -59,11 +57,11 @@ static void __iomem *sh_pfc_phys_to_virt(struct sh_pfc *pfc, 
					 unsigned long address)

{

	struct sh_pfc_window *window;

	int k;

	unsigned int i;



	/* scan through physical windows and convert address */

	for (k = 0; k < pfc->num_windows; k++) {

		window = pfc->window + k;

	for (i = 0; i < pfc->num_windows; i++) {

		window = pfc->window + i;



		if (address < window->phys)

			continue;
@@ -74,8 +72,7 @@ static void __iomem *sh_pfc_phys_to_virt(struct sh_pfc *pfc, 
		return window->virt + (address - window->phys);

	}



	/* no windows defined, register must be 1:1 mapped virt:phys */

	return (void __iomem *)address;

	BUG();

}



struct sh_pfc_pin *sh_pfc_get_pin(struct sh_pfc *pfc, unsigned int pin)