From: Dan Carpenter <dan.carpenter@oracle.com> To: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org>, Sakari Ailus <sakari.ailus@linux.intel.com>, Hans Verkuil <hans.verkuil@cisco.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Maxime Ripard <mripard@kernel.org>, Thomas Petazzoni <thomas.petazzoni@bootlin.com> Subject: Re: [PATCH v3 3/4] staging: media: Add support for the Allwinner A31 ISP Date: Wed, 20 Apr 2022 10:42:49 +0300 [thread overview] Message-ID: <20220420074249.GB2951@kadam> (raw) In-Reply-To: <20220415153708.637804-4-paul.kocialkowski@bootlin.com> I ran Smatch on this patch. On Fri, Apr 15, 2022 at 05:37:07PM +0200, Paul Kocialkowski wrote: > +void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev) > +{ > + unsigned int width, height; > + unsigned int stride_luma, stride_chroma = 0; > + unsigned int stride_luma_div4, stride_chroma_div4; > + const struct sun6i_isp_capture_format *format; > + const struct v4l2_format_info *info; > + u32 pixelformat; > + > + sun6i_isp_capture_dimensions(isp_dev, &width, &height); > + sun6i_isp_capture_format(isp_dev, &pixelformat); > + > + format = sun6i_isp_capture_format_find(pixelformat); > + if (WARN_ON(!format)) > + return; > + > + sun6i_isp_load_write(isp_dev, SUN6I_ISP_MCH_SIZE_CFG_REG, > + SUN6I_ISP_MCH_SIZE_CFG_WIDTH(width) | > + SUN6I_ISP_MCH_SIZE_CFG_HEIGHT(height)); > + > + info = v4l2_format_info(pixelformat); > + if (WARN_ON(!info)) > + return; > + > + stride_luma = width * info->bpp[0]; > + stride_luma_div4 = DIV_ROUND_UP(stride_luma, 4); > + > + if (info->comp_planes > 1) { > + stride_chroma = width * info->bpp[1] / info->hdiv; > + stride_chroma_div4 = DIV_ROUND_UP(stride_chroma, 4); stride_chroma_div4 is not intialized on the else path. > + } > + > + sun6i_isp_load_write(isp_dev, SUN6I_ISP_MCH_CFG_REG, > + SUN6I_ISP_MCH_CFG_EN | > + SUN6I_ISP_MCH_CFG_OUTPUT_FMT(format->output_format) | > + SUN6I_ISP_MCH_CFG_STRIDE_Y_DIV4(stride_luma_div4) | > + SUN6I_ISP_MCH_CFG_STRIDE_UV_DIV4(stride_chroma_div4)); > +} [ snip ] > +void sun6i_isp_params_configure(struct sun6i_isp_device *isp_dev) > +{ > + struct sun6i_isp_params_state *state = &isp_dev->params.state; > + unsigned long flags; > + > + spin_lock_irqsave(&state->lock, flags); > + > + sun6i_isp_params_configure_base(isp_dev); > + > + /* Default config is only applied at the very first stream start. */ > + if (state->configured) > + goto complete; > + > + sun6i_isp_params_configure_modules(isp_dev, ^ There is an extra space character here. > + &sun6i_isp_params_config_default); > + > + state->configured = true; > + > +complete: > + spin_unlock_irqrestore(&state->lock, flags); > +} regards, dan carpenter
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com> To: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org>, Sakari Ailus <sakari.ailus@linux.intel.com>, Hans Verkuil <hans.verkuil@cisco.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Maxime Ripard <mripard@kernel.org>, Thomas Petazzoni <thomas.petazzoni@bootlin.com> Subject: Re: [PATCH v3 3/4] staging: media: Add support for the Allwinner A31 ISP Date: Wed, 20 Apr 2022 10:42:49 +0300 [thread overview] Message-ID: <20220420074249.GB2951@kadam> (raw) In-Reply-To: <20220415153708.637804-4-paul.kocialkowski@bootlin.com> I ran Smatch on this patch. On Fri, Apr 15, 2022 at 05:37:07PM +0200, Paul Kocialkowski wrote: > +void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev) > +{ > + unsigned int width, height; > + unsigned int stride_luma, stride_chroma = 0; > + unsigned int stride_luma_div4, stride_chroma_div4; > + const struct sun6i_isp_capture_format *format; > + const struct v4l2_format_info *info; > + u32 pixelformat; > + > + sun6i_isp_capture_dimensions(isp_dev, &width, &height); > + sun6i_isp_capture_format(isp_dev, &pixelformat); > + > + format = sun6i_isp_capture_format_find(pixelformat); > + if (WARN_ON(!format)) > + return; > + > + sun6i_isp_load_write(isp_dev, SUN6I_ISP_MCH_SIZE_CFG_REG, > + SUN6I_ISP_MCH_SIZE_CFG_WIDTH(width) | > + SUN6I_ISP_MCH_SIZE_CFG_HEIGHT(height)); > + > + info = v4l2_format_info(pixelformat); > + if (WARN_ON(!info)) > + return; > + > + stride_luma = width * info->bpp[0]; > + stride_luma_div4 = DIV_ROUND_UP(stride_luma, 4); > + > + if (info->comp_planes > 1) { > + stride_chroma = width * info->bpp[1] / info->hdiv; > + stride_chroma_div4 = DIV_ROUND_UP(stride_chroma, 4); stride_chroma_div4 is not intialized on the else path. > + } > + > + sun6i_isp_load_write(isp_dev, SUN6I_ISP_MCH_CFG_REG, > + SUN6I_ISP_MCH_CFG_EN | > + SUN6I_ISP_MCH_CFG_OUTPUT_FMT(format->output_format) | > + SUN6I_ISP_MCH_CFG_STRIDE_Y_DIV4(stride_luma_div4) | > + SUN6I_ISP_MCH_CFG_STRIDE_UV_DIV4(stride_chroma_div4)); > +} [ snip ] > +void sun6i_isp_params_configure(struct sun6i_isp_device *isp_dev) > +{ > + struct sun6i_isp_params_state *state = &isp_dev->params.state; > + unsigned long flags; > + > + spin_lock_irqsave(&state->lock, flags); > + > + sun6i_isp_params_configure_base(isp_dev); > + > + /* Default config is only applied at the very first stream start. */ > + if (state->configured) > + goto complete; > + > + sun6i_isp_params_configure_modules(isp_dev, ^ There is an extra space character here. > + &sun6i_isp_params_config_default); > + > + state->configured = true; > + > +complete: > + spin_unlock_irqrestore(&state->lock, flags); > +} regards, dan carpenter _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-04-20 7:43 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-15 15:37 [PATCH v3 0/4] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / ISP Driver Paul Kocialkowski 2022-04-15 15:37 ` Paul Kocialkowski 2022-04-15 15:37 ` [PATCH v3 1/4] dt-bindings: media: Add Allwinner A31 ISP bindings documentation Paul Kocialkowski 2022-04-15 15:37 ` Paul Kocialkowski 2022-04-16 1:59 ` Samuel Holland 2022-04-16 1:59 ` Samuel Holland 2022-04-19 9:45 ` Paul Kocialkowski 2022-04-19 9:45 ` Paul Kocialkowski 2022-04-19 13:48 ` Rob Herring 2022-04-19 13:48 ` Rob Herring 2022-04-16 22:17 ` Rob Herring 2022-04-16 22:17 ` Rob Herring 2022-04-15 15:37 ` [PATCH v3 2/4] dt-bindings: media: sun6i-a31-csi: Add ISP output port Paul Kocialkowski 2022-04-15 15:37 ` Paul Kocialkowski 2022-04-19 13:08 ` Rob Herring 2022-04-19 13:08 ` Rob Herring 2022-04-19 13:35 ` Paul Kocialkowski 2022-04-19 13:35 ` Paul Kocialkowski 2022-04-15 15:37 ` [PATCH v3 3/4] staging: media: Add support for the Allwinner A31 ISP Paul Kocialkowski 2022-04-15 15:37 ` Paul Kocialkowski 2022-04-20 7:42 ` Dan Carpenter [this message] 2022-04-20 7:42 ` Dan Carpenter 2022-04-20 7:50 ` Paul Kocialkowski 2022-04-20 7:50 ` Paul Kocialkowski 2022-04-20 8:51 ` Dan Carpenter 2022-04-20 8:51 ` Dan Carpenter 2022-04-20 8:53 ` Dan Carpenter 2022-04-20 8:53 ` Dan Carpenter 2022-04-28 12:14 ` Sakari Ailus 2022-04-28 12:14 ` Sakari Ailus 2022-04-28 14:30 ` Paul Kocialkowski 2022-04-28 14:30 ` Paul Kocialkowski 2022-04-28 21:07 ` Sakari Ailus 2022-04-28 21:07 ` Sakari Ailus 2022-05-20 14:57 ` Paul Kocialkowski 2022-05-20 14:57 ` Paul Kocialkowski 2022-05-22 17:34 ` Laurent Pinchart 2022-05-22 17:34 ` Laurent Pinchart 2022-05-23 12:51 ` Paul Kocialkowski 2022-05-23 12:51 ` Paul Kocialkowski 2022-05-23 13:27 ` Laurent Pinchart 2022-05-23 13:27 ` Laurent Pinchart 2022-05-24 12:37 ` Paul Kocialkowski 2022-05-24 12:37 ` Paul Kocialkowski 2022-04-15 15:37 ` [PATCH v3 4/4] MAINTAINERS: Add entry for the Allwinner A31 ISP driver Paul Kocialkowski 2022-04-15 15:37 ` Paul Kocialkowski
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