korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-28 22:54:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

gpiolib: Reuse device's fwnode to create IRQ domain

Browse Source 
When IRQ domain is created for an ACPI case, the name of it becomes unknown-%d
since for now it utilizes of_node member only and doesn't consider fwnode case.
Convert IRQ domain creation code to utilize fwnode instead.

Before/After the change on Intel Galileo Gen 2 with two GPIO (IRQ) controllers:

  unknown-1	==>	\_SB.PCI0.GIP0.GPO
  unknown-2	==>	\_SB.NIO3

Due to the nature of this change we may also deduplicate the WARN():s
because in either case (DT or ACPI) the fwnode will be set correctly
and %pfw is an equivalent to what the current code prints as a prefix.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Andy Shevchenko 2021-03-09 11:37:35 +02:00 committed by Bartosz Golaszewski
parent 515321acb5
commit 5c63a9dbab
1 changed files with 4 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpio/gpiolib.c
View File

@ -1463,9 +1463,9 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
struct lock_class_key *lock_key,
struct lock_class_key *request_key)
{
struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev);
struct irq_chip *irqchip = gc->irq.chip;
const struct irq_domain_ops *ops = NULL;
struct device_node *np;
unsigned int type;
unsigned int i;
@ -1477,7 +1477,6 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
return -EINVAL;
}
np = gc->gpiodev->dev.of_node;
type = gc->irq.default_type;
/*
@ -1485,16 +1484,10 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
* used to configure the interrupts, as you may end up with
* conflicting triggers. Tell the user, and reset to NONE.
*/
if (WARN(np && type != IRQ_TYPE_NONE,
"%s: Ignoring %u default trigger\n", np->full_name, type))
if (WARN(fwnode && type != IRQ_TYPE_NONE,
"%pfw: Ignoring %u default trigger\n", fwnode, type))
type = IRQ_TYPE_NONE;
if (has_acpi_companion(gc->parent) && type != IRQ_TYPE_NONE) {
acpi_handle_warn(ACPI_HANDLE(gc->parent),
"Ignoring %u default trigger\n", type);
type = IRQ_TYPE_NONE;
}
if (gc->to_irq)
chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__);
@ -1515,7 +1508,7 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
if (!ops)
ops = &gpiochip_domain_ops;
gc->irq.domain = irq_domain_add_simple(np,
gc->irq.domain = irq_domain_create_simple(fwnode,
gc->ngpio,
gc->irq.first,
ops, gc);