Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'gpio-v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Some late fixes: one IRQ issue and one compilation issue for UML.
- Fix a compilation issue with User Mode Linux
- Handle spurious interrupts properly in the PCA953x driver"
* tag 'gpio-v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: pca953x: Survive spurious interrupts
gpiolib: Disable compat ->read() code in UML case
+16
-3
+15
-2
drivers/gpio/gpio-pca953x.c
+15
-2
drivers/gpio/gpio-pca953x.c
···
824
824
ret = pca953x_irq_pending(chip, pending);
825
825
mutex_unlock(&chip->i2c_lock);
826
826
827
-
for_each_set_bit(level, pending, gc->ngpio)
828
-
handle_nested_irq(irq_find_mapping(gc->irq.domain, level));
827
+
if (ret) {
828
+
ret = 0;
829
+
830
+
for_each_set_bit(level, pending, gc->ngpio) {
831
+
int nested_irq = irq_find_mapping(gc->irq.domain, level);
832
+
833
+
if (unlikely(nested_irq <= 0)) {
834
+
dev_warn_ratelimited(gc->parent, "unmapped interrupt %d\n", level);
835
+
continue;
836
+
}
837
+
838
+
handle_nested_irq(nested_irq);
839
+
ret = 1;
840
+
}
841
+
}
829
842
830
843
return IRQ_RETVAL(ret);
831
844
}
+1
-1
drivers/gpio/gpiolib-cdev.c
+1
-1
drivers/gpio/gpiolib-cdev.c