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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2014-01-31 01:55:48 +0100
committerSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2014-02-25 18:38:24 +0100
commitfaaa8325ad36f69de365330bb32cfb19d9c6a623 (patch)
treec325b5ba41a3d33cbb0b839eb5ad94a67b8d721d /drivers/pinctrl
parent1217b790aea7ed0af150ba4d85905922e3a292e9 (diff)
downloadtalos-obmc-linux-faaa8325ad36f69de365330bb32cfb19d9c6a623.tar.gz
talos-obmc-linux-faaa8325ad36f69de365330bb32cfb19d9c6a623.zip
pinctrl: mvebu: remove common get/set functions
With every SoC always providing its own get/set callbacks, we can now remove the generic ones, remove the obsolete base address, and always use the provided callbacks. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-mvebu.c49
1 files changed, 2 insertions, 47 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index 45e99e80502f..9908374f8f92 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -50,7 +50,6 @@ struct mvebu_pinctrl {
struct device *dev;
struct pinctrl_dev *pctldev;
struct pinctrl_desc desc;
- void __iomem *base;
struct mvebu_pinctrl_group *groups;
unsigned num_groups;
struct mvebu_pinctrl_function *functions;
@@ -138,43 +137,6 @@ static struct mvebu_pinctrl_function *mvebu_pinctrl_find_function_by_name(
return NULL;
}
-/*
- * Common mpp pin configuration registers on MVEBU are
- * registers of eight 4-bit values for each mpp setting.
- * Register offset and bit mask are calculated accordingly below.
- */
-static int mvebu_common_mpp_get(struct mvebu_pinctrl *pctl,
- struct mvebu_pinctrl_group *grp,
- unsigned long *config)
-{
- unsigned pin = grp->gid;
- unsigned off = (pin / MPPS_PER_REG) * MPP_BITS;
- unsigned shift = (pin % MPPS_PER_REG) * MPP_BITS;
-
- *config = readl(pctl->base + off);
- *config >>= shift;
- *config &= MPP_MASK;
-
- return 0;
-}
-
-static int mvebu_common_mpp_set(struct mvebu_pinctrl *pctl,
- struct mvebu_pinctrl_group *grp,
- unsigned long config)
-{
- unsigned pin = grp->gid;
- unsigned off = (pin / MPPS_PER_REG) * MPP_BITS;
- unsigned shift = (pin % MPPS_PER_REG) * MPP_BITS;
- unsigned long reg;
-
- reg = readl(pctl->base + off);
- reg &= ~(MPP_MASK << shift);
- reg |= (config << shift);
- writel(reg, pctl->base + off);
-
- return 0;
-}
-
static int mvebu_pinconf_group_get(struct pinctrl_dev *pctldev,
unsigned gid, unsigned long *config)
{
@@ -184,10 +146,7 @@ static int mvebu_pinconf_group_get(struct pinctrl_dev *pctldev,
if (!grp->ctrl)
return -EINVAL;
- if (grp->ctrl->mpp_get)
- return grp->ctrl->mpp_get(grp->pins[0], config);
-
- return mvebu_common_mpp_get(pctl, grp, config);
+ return grp->ctrl->mpp_get(grp->pins[0], config);
}
static int mvebu_pinconf_group_set(struct pinctrl_dev *pctldev,
@@ -202,11 +161,7 @@ static int mvebu_pinconf_group_set(struct pinctrl_dev *pctldev,
return -EINVAL;
for (i = 0; i < num_configs; i++) {
- if (grp->ctrl->mpp_set)
- ret = grp->ctrl->mpp_set(grp->pins[0], configs[i]);
- else
- ret = mvebu_common_mpp_set(pctl, grp, configs[i]);
-
+ ret = grp->ctrl->mpp_set(grp->pins[0], configs[i]);
if (ret)
return ret;
} /* for each config */
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