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Subject: media: nxp: imx8-isi: Factor out a variable Author: Ricardo Ribalda <[email protected]> Date: Sun Jan 28 16:13:56 2024 +0000 gcc-11 seems to believe that the coeffs variable can be used uninitialized. Refactor the code and remove the cscen 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 <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> 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)
