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firmware: add nowarn variant of request_firmware_nowait()

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Device drivers with optional firmware may still want to use the
asynchronous firmware loading interface. To avoid printing a
warning into the kernel log when the optional firmware is
absent, add a nowarn variant of this interface.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20240516102532.213874-1-l.stach@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Lucas Stach
2024-05-16 12:25:31 +02:00
committed by Vinod Koul
parent 45a24e4058
commit 11c63e5740
2 changed files with 83 additions and 35 deletions
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12
include/linux/firmware.h
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@@ -98,6 +98,10 @@ static inline bool firmware_request_builtin(struct firmware *fw,
#if IS_REACHABLE(CONFIG_FW_LOADER)
int request_firmware(const struct firmware **fw, const char *name,
struct device *device);
int firmware_request_nowait_nowarn(
struct module *module, const char *name,
struct device *device, gfp_t gfp, void *context,
void (*cont)(const struct firmware *fw, void *context));
int firmware_request_nowarn(const struct firmware **fw, const char *name,
struct device *device);
int firmware_request_platform(const struct firmware **fw, const char *name,
@@ -123,6 +127,14 @@ static inline int request_firmware(const struct firmware **fw,
return -EINVAL;
}
static inline int firmware_request_nowait_nowarn(
struct module *module, const char *name,
struct device *device, gfp_t gfp, void *context,
void (*cont)(const struct firmware *fw, void *context))
{
return -EINVAL;
}
static inline int firmware_request_nowarn(const struct firmware **fw,
const char *name,
struct device *device)