From: abhinavk@codeaurora.org
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: 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>,
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: [Freedreno] [PATCH 2/5] drm/msm/dp: Use devres for ioremap()
Date: Fri, 23 Jul 2021 13:11:57 -0700 [thread overview]
Message-ID: <612495cded56d0ec6abe502a296ebd6b@codeaurora.org> (raw)
In-Reply-To: <20210722024227.3313096-3-bjorn.andersson@linaro.org>
On 2021-07-21 19:42, Bjorn Andersson wrote:
> 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: Abhinav Kumar <abhinavk@codeaurora.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)
next prev parent reply other threads:[~2021-07-23 20:12 UTC|newest]
Thread overview: 17+ 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 ` [PATCH 1/5] dt-bindings: msm/dp: Change reg definition Bjorn Andersson
2021-07-22 19:33 ` Stephen Boyd
2021-07-23 20:05 ` abhinavk
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 20:06 ` Stephen Boyd
2021-07-23 20:11 ` abhinavk [this message]
2021-07-22 2:42 ` [PATCH 3/5] drm/msm/dp: Refactor ioremap wrapper Bjorn Andersson
2021-07-22 20:09 ` Stephen Boyd
2021-07-23 20:16 ` [Freedreno] " abhinavk
2021-07-22 2:42 ` [PATCH 4/5] drm/msm/dp: Store each subblock in the io region Bjorn Andersson
2021-07-22 20:13 ` Stephen Boyd
2021-07-23 20:29 ` [Freedreno] " 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 20:16 ` Stephen Boyd
2021-07-23 20:33 ` [Freedreno] " abhinavk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=612495cded56d0ec6abe502a296ebd6b@codeaurora.org \
--to=abhinavk@codeaurora.org \
--cc=airlied@linux.ie \
--cc=bjorn.andersson@linaro.org \
--cc=chandanu@codeaurora.org \
--cc=daniel@ffwll.ch \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=freedreno@lists.freedesktop.org \
--cc=khsieh@codeaurora.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robdclark@gmail.com \
--cc=robh+dt@kernel.org \
--cc=sean@poorly.run \
--cc=swboyd@chromium.org \
--cc=tanmay@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).