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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
commit638a9e433ecd61e64761352dbec1fa4f5874c941 (patch)
treefdbff74a238d7a5a7d1cef071b7230bc064b9f25 /drivers/gpio/gpio-sch.c
parentReleasing progress-linux version 6.9.12-1~progress7.99u1. (diff)
downloadlinux-638a9e433ecd61e64761352dbec1fa4f5874c941.tar.xz
linux-638a9e433ecd61e64761352dbec1fa4f5874c941.zip
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpio/gpio-sch.c')
-rw-r--r--drivers/gpio/gpio-sch.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index e48392074e..ff0341b122 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -38,8 +38,8 @@
struct sch_gpio {
struct gpio_chip chip;
+ void __iomem *regs;
spinlock_t lock;
- unsigned short iobase;
unsigned short resume_base;
/* GPE handling */
@@ -75,7 +75,7 @@ static int sch_gpio_reg_get(struct sch_gpio *sch, unsigned int gpio, unsigned in
offset = sch_gpio_offset(sch, gpio, reg);
bit = sch_gpio_bit(sch, gpio);
- reg_val = !!(inb(sch->iobase + offset) & BIT(bit));
+ reg_val = !!(ioread8(sch->regs + offset) & BIT(bit));
return reg_val;
}
@@ -89,12 +89,14 @@ static void sch_gpio_reg_set(struct sch_gpio *sch, unsigned int gpio, unsigned i
offset = sch_gpio_offset(sch, gpio, reg);
bit = sch_gpio_bit(sch, gpio);
- reg_val = inb(sch->iobase + offset);
+ reg_val = ioread8(sch->regs + offset);
if (val)
- outb(reg_val | BIT(bit), sch->iobase + offset);
+ reg_val |= BIT(bit);
else
- outb((reg_val & ~BIT(bit)), sch->iobase + offset);
+ reg_val &= ~BIT(bit);
+
+ iowrite8(reg_val, sch->regs + offset);
}
static int sch_gpio_direction_in(struct gpio_chip *gc, unsigned int gpio_num)
@@ -267,8 +269,8 @@ static u32 sch_gpio_gpe_handler(acpi_handle gpe_device, u32 gpe, void *context)
spin_lock_irqsave(&sch->lock, flags);
- core_status = inl(sch->iobase + CORE_BANK_OFFSET + GTS);
- resume_status = inl(sch->iobase + RESUME_BANK_OFFSET + GTS);
+ core_status = ioread32(sch->regs + CORE_BANK_OFFSET + GTS);
+ resume_status = ioread32(sch->regs + RESUME_BANK_OFFSET + GTS);
spin_unlock_irqrestore(&sch->lock, flags);
@@ -319,12 +321,14 @@ static int sch_gpio_install_gpe_handler(struct sch_gpio *sch)
static int sch_gpio_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct gpio_irq_chip *girq;
struct sch_gpio *sch;
struct resource *res;
+ void __iomem *regs;
int ret;
- sch = devm_kzalloc(&pdev->dev, sizeof(*sch), GFP_KERNEL);
+ sch = devm_kzalloc(dev, sizeof(*sch), GFP_KERNEL);
if (!sch)
return -ENOMEM;
@@ -332,15 +336,16 @@ static int sch_gpio_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;
- if (!devm_request_region(&pdev->dev, res->start, resource_size(res),
- pdev->name))
+ regs = devm_ioport_map(dev, res->start, resource_size(res));
+ if (!regs)
return -EBUSY;
+ sch->regs = regs;
+
spin_lock_init(&sch->lock);
- sch->iobase = res->start;
sch->chip = sch_gpio_chip;
- sch->chip.label = dev_name(&pdev->dev);
- sch->chip.parent = &pdev->dev;
+ sch->chip.label = dev_name(dev);
+ sch->chip.parent = dev;
switch (pdev->id) {
case PCI_DEVICE_ID_INTEL_SCH_LPC:
@@ -394,9 +399,9 @@ static int sch_gpio_probe(struct platform_device *pdev)
ret = sch_gpio_install_gpe_handler(sch);
if (ret)
- dev_warn(&pdev->dev, "Can't setup GPE, no IRQ support\n");
+ dev_warn(dev, "Can't setup GPE, no IRQ support\n");
- return devm_gpiochip_add_data(&pdev->dev, &sch->chip, sch);
+ return devm_gpiochip_add_data(dev, &sch->chip, sch);
}
static struct platform_driver sch_gpio_driver = {