diff options
author | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-28 22:36:29 +0300 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-28 22:36:29 +0300 |
commit | 036313316d3a38bfde9ba49b3d00f73b7d8019d2 (patch) | |
tree | 284127b68e10bd919adb420a5f37dc19d06532f6 /drivers/input/misc/soc_button_array.c | |
parent | a52dc3a100958f4bf5e921067ba626c2caf8e55f (diff) | |
parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) | |
download | linux-036313316d3a38bfde9ba49b3d00f73b7d8019d2.tar.xz |
Merge tag 'v5.4-rc5' into rdma.git for-next
Linux 5.4-rc5
For dependencies in the next patches
Conflict resolved by keeping the delete of the unlock.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/input/misc/soc_button_array.c')
-rw-r--r-- | drivers/input/misc/soc_button_array.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index 97e3639e99d0..08520b3a18b8 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -92,11 +92,18 @@ soc_button_device_create(struct platform_device *pdev, continue; gpio = soc_button_lookup_gpio(&pdev->dev, info->acpi_index); - if (gpio < 0 && gpio != -ENOENT) { - error = gpio; - goto err_free_mem; - } else if (!gpio_is_valid(gpio)) { - /* Skip GPIO if not present */ + if (!gpio_is_valid(gpio)) { + /* + * Skip GPIO if not present. Note we deliberately + * ignore -EPROBE_DEFER errors here. On some devices + * Intel is using so called virtual GPIOs which are not + * GPIOs at all but some way for AML code to check some + * random status bits without need a custom opregion. + * In some cases the resources table we parse points to + * such a virtual GPIO, since these are not real GPIOs + * we do not have a driver for these so they will never + * show up, therefore we ignore -EPROBE_DEFER. + */ continue; } |