diff options
| author | Luis R. Rodriguez <mcgrof@kernel.org> | 2018-03-10 15:14:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-20 09:28:47 +0100 |
| commit | 3194d06a7e41d31ea4d8771b1ff3d93445e27403 (patch) | |
| tree | d6004690bb7483063d36ce17f8f3725db4a24612 /drivers/base | |
| parent | firmware: fix checking for return values for fw_add_devm_name() (diff) | |
| download | linux-3194d06a7e41d31ea4d8771b1ff3d93445e27403.tar.xz linux-3194d06a7e41d31ea4d8771b1ff3d93445e27403.zip | |
firmware: add helper to check to see if fw cache is setup
Add a helper to check if the firmware cache is already setup for a device.
This will be used later.
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/firmware_loader/main.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index f5046887e362..b569d8a09392 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -396,13 +396,23 @@ static struct fw_name_devm *fw_find_devm_name(struct device *dev, return fwn; } -/* add firmware name into devres list */ -static int fw_add_devm_name(struct device *dev, const char *name) +static bool fw_cache_is_setup(struct device *dev, const char *name) { struct fw_name_devm *fwn; fwn = fw_find_devm_name(dev, name); if (fwn) + return true; + + return false; +} + +/* add firmware name into devres list */ +static int fw_add_devm_name(struct device *dev, const char *name) +{ + struct fw_name_devm *fwn; + + if (fw_cache_is_setup(dev, name)) return 0; fwn = devres_alloc(fw_name_devm_release, sizeof(struct fw_name_devm), |