Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c
index 3302125..706687f 100644
--- a/drivers/gpio/gpio-merrifield.c
+++ b/drivers/gpio/gpio-merrifield.c
@@ -162,7 +162,10 @@
{
void __iomem *gpdr = gpio_reg(chip, offset, GPDR);
- return !(readl(gpdr) & BIT(offset % 32));
+ if (readl(gpdr) & BIT(offset % 32))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int mrfld_gpio_set_debounce(struct gpio_chip *chip, unsigned int offset,
@@ -362,8 +365,9 @@
chained_irq_exit(irqchip, desc);
}
-static void mrfld_irq_init_hw(struct mrfld_gpio *priv)
+static int mrfld_irq_init_hw(struct gpio_chip *chip)
{
+ struct mrfld_gpio *priv = gpiochip_get_data(chip);
void __iomem *reg;
unsigned int base;
@@ -375,6 +379,8 @@
reg = gpio_reg(&priv->chip, base, GFER);
writel(0, reg);
}
+
+ return 0;
}
static const char *mrfld_gpio_get_pinctrl_dev_name(struct mrfld_gpio *priv)
@@ -393,14 +399,36 @@
return name;
}
-static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+static int mrfld_gpio_add_pin_ranges(struct gpio_chip *chip)
{
+ struct mrfld_gpio *priv = gpiochip_get_data(chip);
const struct mrfld_gpio_pinrange *range;
const char *pinctrl_dev_name;
+ unsigned int i;
+ int retval;
+
+ pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name(priv);
+ for (i = 0; i < ARRAY_SIZE(mrfld_gpio_ranges); i++) {
+ range = &mrfld_gpio_ranges[i];
+ retval = gpiochip_add_pin_range(&priv->chip, pinctrl_dev_name,
+ range->gpio_base,
+ range->pin_base,
+ range->npins);
+ if (retval) {
+ dev_err(priv->dev, "failed to add GPIO pin range\n");
+ return retval;
+ }
+ }
+
+ return 0;
+}
+
+static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct gpio_irq_chip *girq;
struct mrfld_gpio *priv;
u32 gpio_base, irq_base;
void __iomem *base;
- unsigned int i;
int retval;
retval = pcim_enable_device(pdev);
@@ -415,8 +443,8 @@
base = pcim_iomap_table(pdev)[1];
- irq_base = readl(base);
- gpio_base = readl(sizeof(u32) + base);
+ irq_base = readl(base + 0 * sizeof(u32));
+ gpio_base = readl(base + 1 * sizeof(u32));
/* Release the IO mapping, since we already get the info from BAR1 */
pcim_iounmap_regions(pdev, BIT(1));
@@ -441,42 +469,35 @@
priv->chip.base = gpio_base;
priv->chip.ngpio = MRFLD_NGPIO;
priv->chip.can_sleep = false;
+ priv->chip.add_pin_ranges = mrfld_gpio_add_pin_ranges;
raw_spin_lock_init(&priv->lock);
- pci_set_drvdata(pdev, priv);
+ retval = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (retval < 0)
+ return retval;
+
+ girq = &priv->chip.irq;
+ girq->chip = &mrfld_irqchip;
+ girq->init_hw = mrfld_irq_init_hw;
+ girq->parent_handler = mrfld_irq_handler;
+ girq->num_parents = 1;
+ girq->parents = devm_kcalloc(&pdev->dev, girq->num_parents,
+ sizeof(*girq->parents), GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
+ girq->parents[0] = pci_irq_vector(pdev, 0);
+ girq->first = irq_base;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_bad_irq;
+
retval = devm_gpiochip_add_data(&pdev->dev, &priv->chip, priv);
if (retval) {
dev_err(&pdev->dev, "gpiochip_add error %d\n", retval);
return retval;
}
- pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name(priv);
- for (i = 0; i < ARRAY_SIZE(mrfld_gpio_ranges); i++) {
- range = &mrfld_gpio_ranges[i];
- retval = gpiochip_add_pin_range(&priv->chip,
- pinctrl_dev_name,
- range->gpio_base,
- range->pin_base,
- range->npins);
- if (retval) {
- dev_err(&pdev->dev, "failed to add GPIO pin range\n");
- return retval;
- }
- }
-
- retval = gpiochip_irqchip_add(&priv->chip, &mrfld_irqchip, irq_base,
- handle_bad_irq, IRQ_TYPE_NONE);
- if (retval) {
- dev_err(&pdev->dev, "could not connect irqchip to gpiochip\n");
- return retval;
- }
-
- mrfld_irq_init_hw(priv);
-
- gpiochip_set_chained_irqchip(&priv->chip, &mrfld_irqchip, pdev->irq,
- mrfld_irq_handler);
-
+ pci_set_drvdata(pdev, priv);
return 0;
}