diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-02-16 23:39:07 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-03-15 13:33:53 +0100 |
| commit | bee9f22ba196b0fa3b07507f685eb92b2075e1d1 (patch) | |
| tree | 4865d30b5939566769fbff41534f81611142560e /drivers | |
| parent | sh-pfc: Don't map data registers individually (diff) | |
| download | linux-bee9f22ba196b0fa3b07507f685eb92b2075e1d1.tar.xz linux-bee9f22ba196b0fa3b07507f685eb92b2075e1d1.zip | |
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: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index e847d1683546..cadfb376cb21 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -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) |