linux-kernel - [PATCH 01/10] media: cx25821: drop duplicated i2c_slave_did

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Date:   Mon, 22 Nov 2021 09:26:03 +0000
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: [PATCH 01/10] media: cx25821: drop duplicated i2c_slave_did_ack()

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@...nel.org>
---

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@kernel.org/

 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