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| author | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
| commit | a6ad93e37e76ec43c9cee6a91dd783fb854c2ff1 (patch) | |
| tree | d091c71637d37d0fb0255af766a9287de6a4611a /lib/logic_pio.c | |
| parent | 69aea9d2843669387d100e353b5113d1adc9502f (diff) | |
| parent | aebf0a11a8c1fb6444d1365db97f90672199a867 (diff) | |
Merge tag 'platform-drivers-x86-surface-aggregator-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into for-5.13/surface-system-aggregator-intergration
Pull immutable integration branch from Hans de Goede to have a stable base for
SSAM (Surface System Aggregator Module) HID transport subsystem merge.
=====
Signed tag for the immutable platform-surface-aggregator-registry
branch for merging into other sub-systems.
Note this is based on v5.12-rc2.
=====
Diffstat (limited to 'lib/logic_pio.c')
| -rw-r--r-- | lib/logic_pio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/logic_pio.c b/lib/logic_pio.c index f32fe481b492..07b4b9a1f54b 100644 --- a/lib/logic_pio.c +++ b/lib/logic_pio.c @@ -28,6 +28,8 @@ static DEFINE_MUTEX(io_range_mutex); * @new_range: pointer to the IO range to be registered. * * Returns 0 on success, the error code in case of failure. + * If the range already exists, -EEXIST will be returned, which should be + * considered a success. * * Register a new IO range node in the IO range list. */ @@ -51,6 +53,7 @@ int logic_pio_register_range(struct logic_pio_hwaddr *new_range) list_for_each_entry(range, &io_range_list, list) { if (range->fwnode == new_range->fwnode) { /* range already there */ + ret = -EEXIST; goto end_register; } if (range->flags == LOGIC_PIO_CPU_MMIO && |