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authorLuis R. Rodriguez <mcgrof@kernel.org>2018-03-10 17:14:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-20 11:28:47 +0300
commit3194d06a7e41d31ea4d8771b1ff3d93445e27403 (patch)
treed6004690bb7483063d36ce17f8f3725db4a24612 /drivers/base
parentd15d7311550983be97dca44ad68cbc2ca001297b (diff)
downloadlinux-3194d06a7e41d31ea4d8771b1ff3d93445e27403.tar.xz
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.c14
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),