[PATCH v3 04/13] pinctrl: mvebu: remove passing mvebu_mpp_ctrl to callbacks

Sebastian Hesselbarth
2014-02-12T16:00:12Z

The only valuable information a special callback can derive from
mvebu_mpp_ctrl passed to it, is the pin id. Instead of passing
the struct, pass the pid directly.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
---
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
drivers/pinctrl/mvebu/pinctrl-dove.c | 61 ++++++++++++++---------------------
drivers/pinctrl/mvebu/pinctrl-mvebu.c | 8 ++---
drivers/pinctrl/mvebu/pinctrl-mvebu.h | 8 ++---
3 files changed, 32 insertions(+), 45 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 47268393af34..c7d365f9009c 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -55,15 +55,14 @@

#define CONFIG_PMU BIT(4)

-static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_pmu_mpp_ctrl_get(unsigned pid, unsigned long *config)
{
- unsigned off = (ctrl->pid / MPPS_PER_REG) * MPP_BITS;
- unsigned shift = (ctrl->pid % MPPS_PER_REG) * MPP_BITS;
+ unsigned off = (pid / MPPS_PER_REG) * MPP_BITS;
+ unsigned shift = (pid % MPPS_PER_REG) * MPP_BITS;
unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
unsigned long func;

- if (pmu & (1 << ctrl->pid)) {
+ if (pmu & (1 << pid)) {
func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
*config = (func >> shift) & MPP_MASK;
*config |= CONFIG_PMU;
@@ -74,22 +73,21 @@ static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_pmu_mpp_ctrl_set(unsigned pid, unsigned long config)
{
- unsigned off = (ctrl->pid / MPPS_PER_REG) * MPP_BITS;
- unsigned shift = (ctrl->pid % MPPS_PER_REG) * MPP_BITS;
+ unsigned off = (pid / MPPS_PER_REG) * MPP_BITS;
+ unsigned shift = (pid % MPPS_PER_REG) * MPP_BITS;
unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
unsigned long func;

if (config & CONFIG_PMU) {
- writel(pmu | (1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL);
+ writel(pmu | (1 << pid), DOVE_PMU_MPP_GENERAL_CTRL);
func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
func &= ~(MPP_MASK << shift);
func |= (config & MPP_MASK) << shift;
writel(func, DOVE_PMU_SIGNAL_SELECT_0 + off);
} else {
- writel(pmu & ~(1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL);
+ writel(pmu & ~(1 << pid), DOVE_PMU_MPP_GENERAL_CTRL);
func = readl(DOVE_MPP_VIRT_BASE + off);
func &= ~(MPP_MASK << shift);
func |= (config & MPP_MASK) << shift;
@@ -98,13 +96,12 @@ static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_mpp4_ctrl_get(unsigned pid, unsigned long *config)
{
unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE);
unsigned long mask;

- switch (ctrl->pid) {
+ switch (pid) {
case 24: /* mpp_camera */
mask = DOVE_CAM_GPIO_SEL;
break;
@@ -129,13 +126,12 @@ static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_mpp4_ctrl_set(unsigned pid, unsigned long config)
{
unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE);
unsigned long mask;

- switch (ctrl->pid) {
+ switch (pid) {
case 24: /* mpp_camera */
mask = DOVE_CAM_GPIO_SEL;
break;
@@ -164,8 +160,7 @@ static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_nand_ctrl_get(unsigned pid, unsigned long *config)
{
unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);

@@ -174,8 +169,7 @@ static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_nand_ctrl_set(unsigned pid, unsigned long config)
{
unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);

@@ -188,8 +182,7 @@ static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_audio0_ctrl_get(unsigned pid, unsigned long *config)
{
unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);

@@ -198,8 +191,7 @@ static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_audio0_ctrl_set(unsigned pid, unsigned long config)
{
unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);

@@ -211,8 +203,7 @@ static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_audio1_ctrl_get(unsigned pid, unsigned long *config)
{
unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE);
unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1);
@@ -238,8 +229,7 @@ static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_audio1_ctrl_set(unsigned pid, unsigned long config)
{
unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE);
unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1);
@@ -276,11 +266,11 @@ static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
* break other functions. If you require all mpps as gpio
* enforce gpio setting by pinctrl mapping.
*/
-static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl *ctrl, u8 pid)
+static int dove_audio1_ctrl_gpio_req(unsigned pid)
{
unsigned long config;

- dove_audio1_ctrl_get(ctrl, &config);
+ dove_audio1_ctrl_get(pid, &config);

switch (config) {
case 0x02: /* i2s1 : gpio[56:57] */
@@ -303,16 +293,14 @@ static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl *ctrl, u8 pid)
}

/* mpp[52:57] has gpio pins capable of in and out */
-static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl *ctrl, u8 pid,
- bool input)
+static int dove_audio1_ctrl_gpio_dir(unsigned pid, bool input)
{
if (pid < 52 || pid > 57)
return -ENOTSUPP;
return 0;
}

-static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
- unsigned long *config)
+static int dove_twsi_ctrl_get(unsigned pid, unsigned long *config)
{
unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1);
unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
@@ -328,8 +316,7 @@ static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
return 0;
}

-static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
- unsigned long config)
+static int dove_twsi_ctrl_set(unsigned pid, unsigned long config)
{
unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1);
unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index 2be432444124..873aef5bdd9c 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -185,7 +185,7 @@ static int mvebu_pinconf_group_get(struct pinctrl_dev *pctldev,
return -EINVAL;

if (grp->ctrl->mpp_get)
- return grp->ctrl->mpp_get(grp->ctrl, config);
+ return grp->ctrl->mpp_get(grp->pins[0], config);

return mvebu_common_mpp_get(pctl, grp, config);
}
@@ -203,7 +203,7 @@ static int mvebu_pinconf_group_set(struct pinctrl_dev *pctldev,

for (i = 0; i < num_configs; i++) {
if (grp->ctrl->mpp_set)
- ret = grp->ctrl->mpp_set(grp->ctrl, configs[i]);
+ ret = grp->ctrl->mpp_set(grp->pins[0], configs[i]);
else
ret = mvebu_common_mpp_set(pctl, grp, configs[i]);

@@ -347,7 +347,7 @@ static int mvebu_pinmux_gpio_request_enable(struct pinctrl_dev *pctldev,
return -EINVAL;

if (grp->ctrl->mpp_gpio_req)
- return grp->ctrl->mpp_gpio_req(grp->ctrl, offset);
+ return grp->ctrl->mpp_gpio_req(offset);

setting = mvebu_pinctrl_find_gpio_setting(pctl, grp);
if (!setting)
@@ -370,7 +370,7 @@ static int mvebu_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
return -EINVAL;

if (grp->ctrl->mpp_gpio_dir)
- return grp->ctrl->mpp_gpio_dir(grp->ctrl, offset, input);
+ return grp->ctrl->mpp_gpio_dir(offset, input);

setting = mvebu_pinctrl_find_gpio_setting(pctl, grp);
if (!setting)
diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.h b/drivers/pinctrl/mvebu/pinctrl-mvebu.h
index 90bd3beee860..b20d1d778c75 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.h
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.h
@@ -38,10 +38,10 @@ struct mvebu_mpp_ctrl {
u8 pid;
u8 npins;
unsigned *pins;
- int (*mpp_get)(struct mvebu_mpp_ctrl *ctrl, unsigned long *config);
- int (*mpp_set)(struct mvebu_mpp_ctrl *ctrl, unsigned long config);
- int (*mpp_gpio_req)(struct mvebu_mpp_ctrl *ctrl, u8 pid);
- int (*mpp_gpio_dir)(struct mvebu_mpp_ctrl *ctrl, u8 pid, bool input);
+ int (*mpp_get)(unsigned pid, unsigned long *config);
+ int (*mpp_set)(unsigned pid, unsigned long config);
+ int (*mpp_gpio_req)(unsigned pid);
+ int (*mpp_gpio_dir)(unsigned pid, bool input);
};

/**
--
1.8.5.3