If line has been locked as IRQ without requesting,
still check its label and return it, if not NULL.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpiolib.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 73c9f99d141e..a6032b84ba98 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -107,16 +107,16 @@ const char *gpiod_get_label(struct gpio_desc *desc)
 	unsigned long flags;
 
 	flags = READ_ONCE(desc->flags);
-	if (test_bit(FLAG_USED_AS_IRQ, &flags) &&
-	    !test_bit(FLAG_REQUESTED, &flags))
-		return "interrupt";
-
-	if (!test_bit(FLAG_REQUESTED, &flags))
-		return NULL;
 
 	label = srcu_dereference_check(desc->label, &desc->gdev->desc_srcu,
 				srcu_read_lock_held(&desc->gdev->desc_srcu));
 
+	if (test_bit(FLAG_USED_AS_IRQ, &flags))
+		return label->str ?: "interrupt";
+
+	if (!test_bit(FLAG_REQUESTED, &flags))
+		return NULL;
+
 	return label->str;
 }
 
-- 
2.43.0.rc1.1336.g36b5255a03ac

On Thu, May 30, 2024 at 9:14 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:

> If line has been locked as IRQ without requesting,
> still check its label and return it, if not NULL.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

I'm OK with it personally, the perfect solution would be to catenate
"interrupt" to the line name so we don't miss the information that the
line is used for interrupts in case of proper labels, but it's not a big
problem.

Yours,
Linus Walleij