From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>, Stephen Boyd <swboyd@chromium.org>, Abhinav Kumar <abhinavk@codeaurora.org> Cc: Kuogee Hsieh <khsieh@codeaurora.org>, Tanmay Shah <tanmay@codeaurora.org>, Chandan Uddaraju <chandanu@codeaurora.org>, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/5] drm/msm/dp: Use devres for ioremap() Date: Wed, 21 Jul 2021 19:42:24 -0700 [thread overview] Message-ID: <20210722024227.3313096-3-bjorn.andersson@linaro.org> (raw) In-Reply-To: <20210722024227.3313096-1-bjorn.andersson@linaro.org> The non-devres version of ioremap is used, which requires manual cleanup. But the code paths leading here is mixed with other devres users, so rely on this for ioremap as well to simplify the code. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/gpu/drm/msm/dp/dp_parser.c | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index 0519dd3ac3c3..c064ced78278 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -32,7 +32,7 @@ static int msm_dss_ioremap(struct platform_device *pdev, } io_data->len = (u32)resource_size(res); - io_data->base = ioremap(res->start, io_data->len); + io_data->base = devm_ioremap(&pdev->dev, res->start, io_data->len); if (!io_data->base) { DRM_ERROR("%pS->%s: ioremap failed\n", __builtin_return_address(0), __func__); @@ -42,22 +42,6 @@ static int msm_dss_ioremap(struct platform_device *pdev, return 0; } -static void msm_dss_iounmap(struct dss_io_data *io_data) -{ - if (io_data->base) { - iounmap(io_data->base); - io_data->base = NULL; - } - io_data->len = 0; -} - -static void dp_parser_unmap_io_resources(struct dp_parser *parser) -{ - struct dp_io *io = &parser->io; - - msm_dss_iounmap(&io->dp_controller); -} - static int dp_parser_ctrl_res(struct dp_parser *parser) { int rc = 0; @@ -67,19 +51,14 @@ static int dp_parser_ctrl_res(struct dp_parser *parser) rc = msm_dss_ioremap(pdev, &io->dp_controller); if (rc) { DRM_ERROR("unable to remap dp io resources, rc=%d\n", rc); - goto err; + return rc; } io->phy = devm_phy_get(&pdev->dev, "dp"); - if (IS_ERR(io->phy)) { - rc = PTR_ERR(io->phy); - goto err; - } + if (IS_ERR(io->phy)) + return PTR_ERR(io->phy); return 0; -err: - dp_parser_unmap_io_resources(parser); - return rc; } static int dp_parser_misc(struct dp_parser *parser) -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>, Stephen Boyd <swboyd@chromium.org>, Abhinav Kumar <abhinavk@codeaurora.org> Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Kuogee Hsieh <khsieh@codeaurora.org>, Tanmay Shah <tanmay@codeaurora.org>, freedreno@lists.freedesktop.org, Chandan Uddaraju <chandanu@codeaurora.org> Subject: [PATCH 2/5] drm/msm/dp: Use devres for ioremap() Date: Wed, 21 Jul 2021 19:42:24 -0700 [thread overview] Message-ID: <20210722024227.3313096-3-bjorn.andersson@linaro.org> (raw) In-Reply-To: <20210722024227.3313096-1-bjorn.andersson@linaro.org> The non-devres version of ioremap is used, which requires manual cleanup. But the code paths leading here is mixed with other devres users, so rely on this for ioremap as well to simplify the code. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/gpu/drm/msm/dp/dp_parser.c | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index 0519dd3ac3c3..c064ced78278 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -32,7 +32,7 @@ static int msm_dss_ioremap(struct platform_device *pdev, } io_data->len = (u32)resource_size(res); - io_data->base = ioremap(res->start, io_data->len); + io_data->base = devm_ioremap(&pdev->dev, res->start, io_data->len); if (!io_data->base) { DRM_ERROR("%pS->%s: ioremap failed\n", __builtin_return_address(0), __func__); @@ -42,22 +42,6 @@ static int msm_dss_ioremap(struct platform_device *pdev, return 0; } -static void msm_dss_iounmap(struct dss_io_data *io_data) -{ - if (io_data->base) { - iounmap(io_data->base); - io_data->base = NULL; - } - io_data->len = 0; -} - -static void dp_parser_unmap_io_resources(struct dp_parser *parser) -{ - struct dp_io *io = &parser->io; - - msm_dss_iounmap(&io->dp_controller); -} - static int dp_parser_ctrl_res(struct dp_parser *parser) { int rc = 0; @@ -67,19 +51,14 @@ static int dp_parser_ctrl_res(struct dp_parser *parser) rc = msm_dss_ioremap(pdev, &io->dp_controller); if (rc) { DRM_ERROR("unable to remap dp io resources, rc=%d\n", rc); - goto err; + return rc; } io->phy = devm_phy_get(&pdev->dev, "dp"); - if (IS_ERR(io->phy)) { - rc = PTR_ERR(io->phy); - goto err; - } + if (IS_ERR(io->phy)) + return PTR_ERR(io->phy); return 0; -err: - dp_parser_unmap_io_resources(parser); - return rc; } static int dp_parser_misc(struct dp_parser *parser) -- 2.29.2
next prev parent reply other threads:[~2021-07-22 2:44 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-22 2:42 [PATCH 0/5] drm/msm/dp: Allow variation in register regions Bjorn Andersson 2021-07-22 2:42 ` Bjorn Andersson 2021-07-22 2:42 ` [PATCH 1/5] dt-bindings: msm/dp: Change reg definition Bjorn Andersson 2021-07-22 2:42 ` Bjorn Andersson 2021-07-22 19:33 ` Stephen Boyd 2021-07-22 19:33 ` Stephen Boyd 2021-07-23 20:05 ` abhinavk 2021-07-23 20:05 ` abhinavk 2021-07-29 20:02 ` Rob Herring 2021-07-29 20:02 ` Rob Herring 2021-07-22 2:42 ` Bjorn Andersson [this message] 2021-07-22 2:42 ` [PATCH 2/5] drm/msm/dp: Use devres for ioremap() Bjorn Andersson 2021-07-22 20:06 ` Stephen Boyd 2021-07-22 20:06 ` Stephen Boyd 2021-07-23 20:11 ` [Freedreno] " abhinavk 2021-07-23 20:11 ` abhinavk 2021-07-22 2:42 ` [PATCH 3/5] drm/msm/dp: Refactor ioremap wrapper Bjorn Andersson 2021-07-22 2:42 ` Bjorn Andersson 2021-07-22 20:09 ` Stephen Boyd 2021-07-22 20:09 ` Stephen Boyd 2021-07-23 20:16 ` [Freedreno] " abhinavk 2021-07-23 20:16 ` abhinavk 2021-07-22 2:42 ` [PATCH 4/5] drm/msm/dp: Store each subblock in the io region Bjorn Andersson 2021-07-22 2:42 ` Bjorn Andersson 2021-07-22 20:13 ` Stephen Boyd 2021-07-22 20:13 ` Stephen Boyd 2021-07-23 20:29 ` [Freedreno] " abhinavk 2021-07-23 20:29 ` abhinavk 2021-07-22 2:42 ` [PATCH 5/5] drm/msm/dp: Allow sub-regions to be specified in DT Bjorn Andersson 2021-07-22 2:42 ` Bjorn Andersson 2021-07-22 20:16 ` Stephen Boyd 2021-07-22 20:16 ` Stephen Boyd 2021-07-23 20:33 ` [Freedreno] " abhinavk 2021-07-23 20:33 ` abhinavk
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