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-rw-r--r--drivers/pinctrl/core.c97
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx.c2
-rw-r--r--drivers/pinctrl/meson/pinctrl-meson-gxbb.c4
-rw-r--r--drivers/pinctrl/pinctrl-single.c2
-rw-r--r--drivers/pinctrl/pinctrl-st.c30
-rw-r--r--drivers/pinctrl/qcom/pinctrl-ipq4019.c30
-rw-r--r--drivers/pinctrl/qcom/pinctrl-msm.c4
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.c13
-rw-r--r--drivers/pinctrl/sh-pfc/pinctrl.c11
-rw-r--r--drivers/pinctrl/ti/Kconfig2
-rw-r--r--drivers/pinctrl/ti/pinctrl-ti-iodelay.c2
11 files changed, 141 insertions, 56 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index d69046537b75..32822b0d9cd0 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -2010,29 +2010,57 @@ out_err:
return ERR_PTR(ret);
}
-static int pinctrl_create_and_start(struct pinctrl_dev *pctldev)
+static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev)
{
pctldev->p = create_pinctrl(pctldev->dev, pctldev);
- if (!IS_ERR(pctldev->p)) {
- kref_get(&pctldev->p->users);
- pctldev->hog_default =
- pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT);
- if (IS_ERR(pctldev->hog_default)) {
- dev_dbg(pctldev->dev,
- "failed to lookup the default state\n");
- } else {
- if (pinctrl_select_state(pctldev->p,
- pctldev->hog_default))
- dev_err(pctldev->dev,
- "failed to select default state\n");
- }
+ if (PTR_ERR(pctldev->p) == -ENODEV) {
+ dev_dbg(pctldev->dev, "no hogs found\n");
- pctldev->hog_sleep =
- pinctrl_lookup_state(pctldev->p,
- PINCTRL_STATE_SLEEP);
- if (IS_ERR(pctldev->hog_sleep))
- dev_dbg(pctldev->dev,
- "failed to lookup the sleep state\n");
+ return 0;
+ }
+
+ if (IS_ERR(pctldev->p)) {
+ dev_err(pctldev->dev, "error claiming hogs: %li\n",
+ PTR_ERR(pctldev->p));
+
+ return PTR_ERR(pctldev->p);
+ }
+
+ kref_get(&pctldev->p->users);
+ pctldev->hog_default =
+ pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT);
+ if (IS_ERR(pctldev->hog_default)) {
+ dev_dbg(pctldev->dev,
+ "failed to lookup the default state\n");
+ } else {
+ if (pinctrl_select_state(pctldev->p,
+ pctldev->hog_default))
+ dev_err(pctldev->dev,
+ "failed to select default state\n");
+ }
+
+ pctldev->hog_sleep =
+ pinctrl_lookup_state(pctldev->p,
+ PINCTRL_STATE_SLEEP);
+ if (IS_ERR(pctldev->hog_sleep))
+ dev_dbg(pctldev->dev,
+ "failed to lookup the sleep state\n");
+
+ return 0;
+}
+
+int pinctrl_enable(struct pinctrl_dev *pctldev)
+{
+ int error;
+
+ error = pinctrl_claim_hogs(pctldev);
+ if (error) {
+ dev_err(pctldev->dev, "could not claim hogs: %i\n",
+ error);
+ mutex_destroy(&pctldev->mutex);
+ kfree(pctldev);
+
+ return error;
}
mutex_lock(&pinctrldev_list_mutex);
@@ -2043,6 +2071,7 @@ static int pinctrl_create_and_start(struct pinctrl_dev *pctldev)
return 0;
}
+EXPORT_SYMBOL_GPL(pinctrl_enable);
/**
* pinctrl_register() - register a pin controller device
@@ -2065,25 +2094,30 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
if (IS_ERR(pctldev))
return pctldev;
- error = pinctrl_create_and_start(pctldev);
- if (error) {
- mutex_destroy(&pctldev->mutex);
- kfree(pctldev);
-
+ error = pinctrl_enable(pctldev);
+ if (error)
return ERR_PTR(error);
- }
return pctldev;
}
EXPORT_SYMBOL_GPL(pinctrl_register);
+/**
+ * pinctrl_register_and_init() - register and init pin controller device
+ * @pctldesc: descriptor for this pin controller
+ * @dev: parent device for this pin controller
+ * @driver_data: private pin controller data for this pin controller
+ * @pctldev: pin controller device
+ *
+ * Note that pinctrl_enable() still needs to be manually called after
+ * this once the driver is ready.
+ */
int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
struct device *dev, void *driver_data,
struct pinctrl_dev **pctldev)
{
struct pinctrl_dev *p;
- int error;
p = pinctrl_init_controller(pctldesc, dev, driver_data);
if (IS_ERR(p))
@@ -2097,15 +2131,6 @@ int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
*/
*pctldev = p;
- error = pinctrl_create_and_start(p);
- if (error) {
- mutex_destroy(&p->mutex);
- kfree(p);
- *pctldev = NULL;
-
- return error;
- }
-
return 0;
}
EXPORT_SYMBOL_GPL(pinctrl_register_and_init);
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index a7ace9e1ad81..74bd90dfd7b1 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -790,7 +790,7 @@ int imx_pinctrl_probe(struct platform_device *pdev,
dev_info(&pdev->dev, "initialized IMX pinctrl driver\n");
- return 0;
+ return pinctrl_enable(ipctl->pctl);
free:
imx_free_resources(ipctl);
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
index 7671424d46cb..31a3a98d067c 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
@@ -667,11 +667,11 @@ static const char * const uart_ao_b_groups[] = {
};
static const char * const i2c_ao_groups[] = {
- "i2c_sdk_ao", "i2c_sda_ao",
+ "i2c_sck_ao", "i2c_sda_ao",
};
static const char * const i2c_slave_ao_groups[] = {
- "i2c_slave_sdk_ao", "i2c_slave_sda_ao",
+ "i2c_slave_sck_ao", "i2c_slave_sda_ao",
};
static const char * const remote_input_ao_groups[] = {
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 8b2d45e85bae..9c267dcda094 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1781,7 +1781,7 @@ static int pcs_probe(struct platform_device *pdev)
dev_info(pcs->dev, "%i pins at pa %p size %u\n",
pcs->desc.npins, pcs->base, pcs->size);
- return 0;
+ return pinctrl_enable(pcs->pctl);
free:
pcs_free_resources(pcs);
diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 676efcc032d2..3ae8066bc127 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1285,6 +1285,22 @@ static void st_gpio_irq_unmask(struct irq_data *d)
writel(BIT(d->hwirq), bank->base + REG_PIO_SET_PMASK);
}
+static int st_gpio_irq_request_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+
+ st_gpio_direction_input(gc, d->hwirq);
+
+ return gpiochip_lock_as_irq(gc, d->hwirq);
+}
+
+static void st_gpio_irq_release_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+
+ gpiochip_unlock_as_irq(gc, d->hwirq);
+}
+
static int st_gpio_irq_set_type(struct irq_data *d, unsigned type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
@@ -1438,12 +1454,14 @@ static struct gpio_chip st_gpio_template = {
};
static struct irq_chip st_gpio_irqchip = {
- .name = "GPIO",
- .irq_disable = st_gpio_irq_mask,
- .irq_mask = st_gpio_irq_mask,
- .irq_unmask = st_gpio_irq_unmask,
- .irq_set_type = st_gpio_irq_set_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .name = "GPIO",
+ .irq_request_resources = st_gpio_irq_request_resources,
+ .irq_release_resources = st_gpio_irq_release_resources,
+ .irq_disable = st_gpio_irq_mask,
+ .irq_mask = st_gpio_irq_mask,
+ .irq_unmask = st_gpio_irq_unmask,
+ .irq_set_type = st_gpio_irq_set_type,
+ .flags = IRQCHIP_SKIP_SET_WAKE,
};
static int st_gpiolib_register_bank(struct st_pinctrl *info,
diff --git a/drivers/pinctrl/qcom/pinctrl-ipq4019.c b/drivers/pinctrl/qcom/pinctrl-ipq4019.c
index b68ae424cee2..743d1f458205 100644
--- a/drivers/pinctrl/qcom/pinctrl-ipq4019.c
+++ b/drivers/pinctrl/qcom/pinctrl-ipq4019.c
@@ -405,6 +405,36 @@ static const struct msm_pingroup ipq4019_groups[] = {
PINGROUP(67, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
PINGROUP(68, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
PINGROUP(69, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(70, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(71, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(72, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(73, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(74, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(75, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(76, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(77, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(78, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(79, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(80, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(81, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(82, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(83, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(84, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(85, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(86, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(87, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(88, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(89, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(90, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(91, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(92, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(93, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(94, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(95, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(96, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(97, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(98, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(99, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
};
static const struct msm_pinctrl_soc_data ipq4019_pinctrl = {
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index c978be5eb9eb..273badd92561 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -609,10 +609,6 @@ static void msm_gpio_irq_unmask(struct irq_data *d)
raw_spin_lock_irqsave(&pctrl->lock, flags);
- val = readl(pctrl->regs + g->intr_status_reg);
- val &= ~BIT(g->intr_status_bit);
- writel(val, pctrl->regs + g->intr_status_reg);
-
val = readl(pctrl->regs + g->intr_cfg_reg);
val |= BIT(g->intr_enable_bit);
writel(val, pctrl->regs + g->intr_cfg_reg);
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index f9ddba7decc1..d7aa22cff480 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -988,9 +988,16 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d,
for (i = 0; i < ctrl->nr_ext_resources + 1; i++) {
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
- virt_base[i] = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(virt_base[i]))
- return ERR_CAST(virt_base[i]);
+ if (!res) {
+ dev_err(&pdev->dev, "failed to get mem%d resource\n", i);
+ return ERR_PTR(-EINVAL);
+ }
+ virt_base[i] = devm_ioremap(&pdev->dev, res->start,
+ resource_size(res));
+ if (!virt_base[i]) {
+ dev_err(&pdev->dev, "failed to ioremap %pR\n", res);
+ return ERR_PTR(-EIO);
+ }
}
bank = d->pin_banks;
diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c
index 08150a321be6..a70157f0acf4 100644
--- a/drivers/pinctrl/sh-pfc/pinctrl.c
+++ b/drivers/pinctrl/sh-pfc/pinctrl.c
@@ -816,6 +816,13 @@ int sh_pfc_register_pinctrl(struct sh_pfc *pfc)
pmx->pctl_desc.pins = pmx->pins;
pmx->pctl_desc.npins = pfc->info->nr_pins;
- return devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx,
- &pmx->pctl);
+ ret = devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx,
+ &pmx->pctl);
+ if (ret) {
+ dev_err(pfc->dev, "could not register: %i\n", ret);
+
+ return ret;
+ }
+
+ return pinctrl_enable(pmx->pctl);
}
diff --git a/drivers/pinctrl/ti/Kconfig b/drivers/pinctrl/ti/Kconfig
index 815a88673d38..542077069391 100644
--- a/drivers/pinctrl/ti/Kconfig
+++ b/drivers/pinctrl/ti/Kconfig
@@ -1,6 +1,6 @@
config PINCTRL_TI_IODELAY
tristate "TI IODelay Module pinconf driver"
- depends on OF
+ depends on OF && (SOC_DRA7XX || COMPILE_TEST)
select GENERIC_PINCTRL_GROUPS
select GENERIC_PINMUX_FUNCTIONS
select GENERIC_PINCONF
diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
index 717e3404900c..362c50918c13 100644
--- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
+++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
@@ -893,6 +893,8 @@ static int ti_iodelay_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, iod);
+ return pinctrl_enable(iod->pctl);
+
exit_out:
of_node_put(np);
return ret;
generated by cgit (git 2.34.1) at 2024-04-30 09:28:11 +0000