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>

diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index f504688..b569d8a 100644 (file)
--- 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),