This function is defined twice, one at cx25821-i2c and the other inside cx25821-core. It turns that only the first is actually used inside the code. This causes a clang warning. 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 00/10] at: https://lore.kernel.org/all/cover.1637573097.git.mchehab+huawei@xxxxxxxxxx/ drivers/media/pci/cx25821/cx25821-core.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index 40c10ca94def..3078a39f0b95 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -337,13 +337,6 @@ static int cx25821_risc_decode(u32 risc) return incr[risc >> 28] ? incr[risc >> 28] : 1; } -static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap) -{ - struct cx25821_i2c *bus = i2c_adap->algo_data; - struct cx25821_dev *dev = bus->dev; - return cx_read(bus->reg_stat) & 0x01; -} - static void cx25821_registers_init(struct cx25821_dev *dev) { u32 tmp; -- 2.33.1