gcc-11 seems to believe that coffs can be used uninitialized. Refactor
the code and remove the csen variable to convince gcc that we are doing
a good job.
drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c:218:20: warning: 'coeffs' may be used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c
index 19e80b95ffea..5623914f95e6 100644
--- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c
+++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c
@@ -215,8 +215,7 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pipe *pipe,
[MXC_ISI_ENC_RGB] = "RGB",
[MXC_ISI_ENC_YUV] = "YUV",
};
- const u32 *coeffs;
- bool cscen = true;
+ const u32 *coeffs = NULL;
u32 val;
val = mxc_isi_read(pipe, CHNL_IMG_CTRL);
@@ -235,14 +234,13 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pipe *pipe,
val |= CHNL_IMG_CTRL_CSC_MODE(CHNL_IMG_CTRL_CSC_MODE_RGB2YCBCR);
} else {
/* Bypass CSC */
- cscen = false;
val |= CHNL_IMG_CTRL_CSC_BYPASS;
}
dev_dbg(pipe->isi->dev, "CSC: %s -> %s\n",
encodings[in_encoding], encodings[out_encoding]);
- if (cscen) {
+ if (coeffs) {
mxc_isi_write(pipe, CHNL_CSC_COEFF0, coeffs[0]);
mxc_isi_write(pipe, CHNL_CSC_COEFF1, coeffs[1]);
mxc_isi_write(pipe, CHNL_CSC_COEFF2, coeffs[2]);
@@ -253,7 +251,7 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pipe *pipe,
mxc_isi_write(pipe, CHNL_IMG_CTRL, val);
- *bypass = !cscen;
+ *bypass = !coeffs;
}
void mxc_isi_channel_set_alpha(struct mxc_isi_pipe *pipe, u8 alpha)
--
2.43.0.429.g432eaa2c6b-goog
