There are several unused helper macros there, meant to parse some fields. While there's not wrong with that, it generates clang warnings with W=1, causing build to break with CONFIG_WERROR. So, add __maybe_unused to fix such warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH 00/20] at: https://lore.kernel.org/all/cover.1637781097.git.mchehab+huawei@xxxxxxxxxx/ drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c index 0abcad4e84fa..85eaf5d00e9b 100644 --- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c @@ -391,12 +391,12 @@ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, } /* Extract values from VOP header - VE_STATUSxx */ -static inline int vop_interlaced(const vop_header *vh) +static inline __maybe_unused int vop_interlaced(const vop_header *vh) { return (__le32_to_cpu((*vh)[0]) >> 30) & 1; } -static inline u8 vop_channel(const vop_header *vh) +static inline __maybe_unused u8 vop_channel(const vop_header *vh) { return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; } @@ -411,12 +411,12 @@ static inline u32 vop_mpeg_size(const vop_header *vh) return __le32_to_cpu((*vh)[0]) & 0xFFFFF; } -static inline u8 vop_hsize(const vop_header *vh) +static inline u8 __maybe_unused vop_hsize(const vop_header *vh) { return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; } -static inline u8 vop_vsize(const vop_header *vh) +static inline u8 __maybe_unused vop_vsize(const vop_header *vh) { return __le32_to_cpu((*vh)[1]) & 0xFF; } @@ -436,12 +436,12 @@ static inline u32 vop_jpeg_size(const vop_header *vh) return __le32_to_cpu((*vh)[4]) & 0xFFFFF; } -static inline u32 vop_sec(const vop_header *vh) +static inline u32 __maybe_unused vop_sec(const vop_header *vh) { return __le32_to_cpu((*vh)[5]); } -static inline u32 vop_usec(const vop_header *vh) +static inline __maybe_unused u32 vop_usec(const vop_header *vh) { return __le32_to_cpu((*vh)[6]); } -- 2.33.1
