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firmware: add helper to check to see if fw cache is setup

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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>
This commit is contained in:
Luis R. Rodriguez 2018-03-10 06:14:57 -08:00 committed by Greg Kroah-Hartman
parent d15d731155
commit 3194d06a7e
1 changed files with 12 additions and 2 deletions
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14
drivers/base/firmware_loader/main.c
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@ -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),