From 5a646e03e956f45e74c0a606f51e1ebc13880309 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 30 May 2024 22:12:29 +0300 Subject: gpiolib: Return label, if set, for IRQ only line If line has been locked as IRQ without requesting, still check its label and return it, if not NULL. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240530191418.1138003-2-andriy.shevchenko@linux.intel.com Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpiolib.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/gpio/gpiolib.c') diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index ea723cf1c87f..3f578d674b53 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -106,16 +106,16 @@ 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; } -- cgit v1.2.3