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From: Stephen Boyd <swboyd@chromium.org>
To: Abhinav Kumar <abhinavk@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
	Rob Clark <robdclark@gmail.com>, Rob Herring <robh+dt@kernel.org>,
	Sean Paul <sean@poorly.run>
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: Re: [PATCH 2/5] drm/msm/dp: Use devres for ioremap()
Date: Thu, 22 Jul 2021 20:06:58 +0000	[thread overview]
Message-ID: <CAE-0n53QF1vmjQDcWX8U3UFu=JtjGrK-XNk-1hcm64iRBPNYMA@mail.gmail.com> (raw)
In-Reply-To: <20210722024227.3313096-3-bjorn.andersson@linaro.org>

Quoting Bjorn Andersson (2021-07-21 19:42:24)
> 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>
> ---

Reviewed-by: Stephen Boyd <swboyd@chromium.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__);

I don't think we need this print either, but that can come later in
addition to using devm_platform_get_and_ioremap_resource().

WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <swboyd@chromium.org>
To: Abhinav Kumar <abhinavk@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	 Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
	Rob Clark <robdclark@gmail.com>,
	 Rob Herring <robh+dt@kernel.org>, Sean Paul <sean@poorly.run>
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: Re: [PATCH 2/5] drm/msm/dp: Use devres for ioremap()
Date: Thu, 22 Jul 2021 20:06:58 +0000	[thread overview]
Message-ID: <CAE-0n53QF1vmjQDcWX8U3UFu=JtjGrK-XNk-1hcm64iRBPNYMA@mail.gmail.com> (raw)
In-Reply-To: <20210722024227.3313096-3-bjorn.andersson@linaro.org>

Quoting Bjorn Andersson (2021-07-21 19:42:24)
> 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>
> ---

Reviewed-by: Stephen Boyd <swboyd@chromium.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__);

I don't think we need this print either, but that can come later in
addition to using devm_platform_get_and_ioremap_resource().

  reply	other threads:[~2021-07-22 20:07 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 ` [PATCH 2/5] drm/msm/dp: Use devres for ioremap() Bjorn Andersson
2021-07-22  2:42   ` Bjorn Andersson
2021-07-22 20:06   ` Stephen Boyd [this message]
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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