From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Stefan Wahren <stefan.wahren@i2se.com>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Linus Walleij <linus.walleij@linaro.org>,
Florian Fainelli <f.fainelli@gmail.com>
Subject: [PATCH 5.4 04/11] pinctrl: bcm2835: Refactor platform data
Date: Thu, 27 Jan 2022 19:09:05 +0100 [thread overview]
Message-ID: <20220127180258.510828284@linuxfoundation.org> (raw)
In-Reply-To: <20220127180258.362000607@linuxfoundation.org>
From: Stefan Wahren <stefan.wahren@i2se.com>
commit 90bfaf028d61a6d523c685b63c2bcc94eebb8057 upstream
This prepares the platform data to be easier to extend for more GPIOs.
Except of this there is no functional change.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1581166975-22949-3-git-send-email-stefan.wahren@i2se.com
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/bcm/pinctrl-bcm2835.c | 57 ++++++++++++++++++++++++++--------
1 file changed, 44 insertions(+), 13 deletions(-)
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -82,6 +82,7 @@ struct bcm2835_pinctrl {
struct pinctrl_dev *pctl_dev;
struct gpio_chip gpio_chip;
+ struct pinctrl_desc pctl_desc;
struct pinctrl_gpio_range gpio_range;
raw_spinlock_t irq_lock[BCM2835_NUM_BANKS];
@@ -1051,7 +1052,7 @@ static const struct pinconf_ops bcm2711_
.pin_config_set = bcm2711_pinconf_set,
};
-static struct pinctrl_desc bcm2835_pinctrl_desc = {
+static const struct pinctrl_desc bcm2835_pinctrl_desc = {
.name = MODULE_NAME,
.pins = bcm2835_gpio_pins,
.npins = ARRAY_SIZE(bcm2835_gpio_pins),
@@ -1061,19 +1062,47 @@ static struct pinctrl_desc bcm2835_pinct
.owner = THIS_MODULE,
};
-static struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = {
+static const struct pinctrl_desc bcm2711_pinctrl_desc = {
+ .name = MODULE_NAME,
+ .pins = bcm2835_gpio_pins,
+ .npins = ARRAY_SIZE(bcm2835_gpio_pins),
+ .pctlops = &bcm2835_pctl_ops,
+ .pmxops = &bcm2835_pmx_ops,
+ .confops = &bcm2711_pinconf_ops,
+ .owner = THIS_MODULE,
+};
+
+static const struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = {
.name = MODULE_NAME,
.npins = BCM2835_NUM_GPIOS,
};
+struct bcm_plat_data {
+ const struct gpio_chip *gpio_chip;
+ const struct pinctrl_desc *pctl_desc;
+ const struct pinctrl_gpio_range *gpio_range;
+};
+
+static const struct bcm_plat_data bcm2835_plat_data = {
+ .gpio_chip = &bcm2835_gpio_chip,
+ .pctl_desc = &bcm2835_pinctrl_desc,
+ .gpio_range = &bcm2835_pinctrl_gpio_range,
+};
+
+static const struct bcm_plat_data bcm2711_plat_data = {
+ .gpio_chip = &bcm2835_gpio_chip,
+ .pctl_desc = &bcm2711_pinctrl_desc,
+ .gpio_range = &bcm2835_pinctrl_gpio_range,
+};
+
static const struct of_device_id bcm2835_pinctrl_match[] = {
{
.compatible = "brcm,bcm2835-gpio",
- .data = &bcm2835_pinconf_ops,
+ .data = &bcm2835_plat_data,
},
{
.compatible = "brcm,bcm2711-gpio",
- .data = &bcm2711_pinconf_ops,
+ .data = &bcm2711_plat_data,
},
{}
};
@@ -1082,6 +1111,7 @@ static int bcm2835_pinctrl_probe(struct
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
+ const struct bcm_plat_data *pdata;
struct bcm2835_pinctrl *pc;
struct gpio_irq_chip *girq;
struct resource iomem;
@@ -1108,7 +1138,13 @@ static int bcm2835_pinctrl_probe(struct
if (IS_ERR(pc->base))
return PTR_ERR(pc->base);
- pc->gpio_chip = bcm2835_gpio_chip;
+ match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node);
+ if (!match)
+ return -EINVAL;
+
+ pdata = match->data;
+
+ pc->gpio_chip = *pdata->gpio_chip;
pc->gpio_chip.parent = dev;
pc->gpio_chip.of_node = np;
@@ -1159,19 +1195,14 @@ static int bcm2835_pinctrl_probe(struct
return err;
}
- match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node);
- if (match) {
- bcm2835_pinctrl_desc.confops =
- (const struct pinconf_ops *)match->data;
- }
-
- pc->pctl_dev = devm_pinctrl_register(dev, &bcm2835_pinctrl_desc, pc);
+ pc->pctl_desc = *pdata->pctl_desc;
+ pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc);
if (IS_ERR(pc->pctl_dev)) {
gpiochip_remove(&pc->gpio_chip);
return PTR_ERR(pc->pctl_dev);
}
- pc->gpio_range = bcm2835_pinctrl_gpio_range;
+ pc->gpio_range = *pdata->gpio_range;
pc->gpio_range.base = pc->gpio_chip.base;
pc->gpio_range.gc = &pc->gpio_chip;
pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range);
next prev parent reply other threads:[~2022-01-27 18:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 18:09 [PATCH 5.4 00/11] 5.4.175-rc1 review Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 01/11] drm/i915: Flush TLBs before releasing backing store Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 02/11] rcu: Tighten rcu_advance_cbs_nowake() checks Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 03/11] pinctrl: bcm2835: Drop unused define Greg Kroah-Hartman
2022-01-27 18:09 ` Greg Kroah-Hartman [this message]
2022-01-27 18:09 ` [PATCH 5.4 05/11] pinctrl: bcm2835: Add support for all GPIOs on BCM2711 Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 06/11] pinctrl: bcm2835: Match BCM7211 compatible string Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 07/11] pinctrl: bcm2835: Add support for wake-up interrupts Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 08/11] pinctrl: bcm2835: Change init order for gpio hogs Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 09/11] ARM: dts: gpio-ranges property is now required Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 10/11] mmc: sdhci-esdhc-imx: disable CMDQ support Greg Kroah-Hartman
2022-01-27 18:09 ` [PATCH 5.4 11/11] select: Fix indefinitely sleeping task in poll_schedule_timeout() Greg Kroah-Hartman
2022-01-27 19:00 ` [PATCH 5.4 00/11] 5.4.175-rc1 review Florian Fainelli
2022-01-28 1:17 ` Shuah Khan
2022-01-28 11:38 ` Naresh Kamboju
2022-01-28 14:24 ` Sudip Mukherjee
2022-01-29 1:06 ` Guenter Roeck
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