From: Matthias Brugger <matthias.bgg@gmail.com>
To: CK Hu <ck.hu@mediatek.com>, matthias.bgg@kernel.org
Cc: robh+dt@kernel.org, mark.rutland@arm.com, p.zabel@pengutronix.de,
airlied@linux.ie, mturquette@baylibre.com, sboyd@kernel.org,
ulrich.hecht+renesas@gmail.com,
laurent.pinchart@ideasonboard.com, enric.balletbo@collabora.com,
sean.wang@mediatek.com, sean.wang@kernel.org,
rdunlap@infradead.org, wens@csie.org, hsinyi@chromium.org,
frank-w@public-files.de, drinkcat@chromium.org,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, mbrugger@suse.com
Subject: Re: [resend PATCH v6 10/12] clk: mediatek: mt8183: switch mmsys to platform device probing
Date: Thu, 13 Feb 2020 20:35:43 +0100 [thread overview]
Message-ID: <c46b1845-de26-d6f9-512a-e329a762cca7@gmail.com> (raw)
In-Reply-To: <1575881471.14479.2.camel@mtksdaap41>
On 09/12/2019 09:51, CK Hu wrote:
> Hi, Matthias:
>
> On Sat, 2019-12-07 at 23:47 +0100, matthias.bgg@kernel.org wrote:
>> From: Matthias Brugger <mbrugger@suse.com>
>>
>> Switch probing for the MMSYS to support invocation to a
>> plain paltform device. The driver will be probed by the DRM subsystem.
>>
>> Singed-off-by: Matthias Brugger <mbrugger@suse.com>
>> ---
>> drivers/clk/mediatek/clk-mt8183-mm.c | 39 +++++++++++++++++++---------
>> 1 file changed, 27 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
>> index 720c696b506d..e6dcad18d81a 100644
>> --- a/drivers/clk/mediatek/clk-mt8183-mm.c
>> +++ b/drivers/clk/mediatek/clk-mt8183-mm.c
>> @@ -3,14 +3,20 @@
>> // Copyright (c) 2018 MediaTek Inc.
>> // Author: Weiyi Lu <weiyi.lu@mediatek.com>
>>
>> +#include <linux/module.h>
>> #include <linux/clk-provider.h>
>> #include <linux/platform_device.h>
>> +#include <linux/slab.h>
>>
>> #include "clk-mtk.h"
>> #include "clk-gate.h"
>>
>> #include <dt-bindings/clock/mt8183-clk.h>
>>
>> +struct clk_mt8183_mm_priv {
>> + struct clk_onecell_data *clk_data;
>> +};
>> +
>> static const struct mtk_gate_regs mm0_cg_regs = {
>> .set_ofs = 0x104,
>> .clr_ofs = 0x108,
>> @@ -84,28 +90,37 @@ static const struct mtk_gate mm_clks[] = {
>>
>> static int clk_mt8183_mm_probe(struct platform_device *pdev)
>> {
>> - struct clk_onecell_data *clk_data;
>> - struct device_node *node = pdev->dev.of_node;
>> + struct clk_mt8183_mm_priv *private;
>> + struct device_node *node = pdev->dev.parent->of_node;
>> +
>> + private = devm_kzalloc(&pdev->dev, sizeof(*private), GFP_KERNEL);
>> + if (!private)
>> + return -ENOMEM;
>>
>> - clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>> + private->clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>> + platform_set_drvdata(pdev, private);
>
> There is a more simple modification that you need not to define struct
> clk_mt8183_mm_priv,
>
> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
> platform_set_drvdata(pdev, clk_data);
>
Yes you are right, I'll fix that for all the drivers.
Thanks,
Matthias
> Regards,
> CK
>
>>
>> mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
>> - clk_data);
>> + private->clk_data);
>>
>> - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
>> + return of_clk_add_provider(node, of_clk_src_onecell_get,
>> + private->clk_data);
>> }
>>
>> -static const struct of_device_id of_match_clk_mt8183_mm[] = {
>> - { .compatible = "mediatek,mt8183-mmsys", },
>> - {}
>> -};
>> +static int clk_mt8183_mm_remove(struct platform_device *pdev)
>> +{
>> + struct clk_mt8183_mm_priv *private = platform_get_drvdata(pdev);
>> +
>> + kfree(private->clk_data);
>> +
>> + return 0;
>> +}
>>
>> static struct platform_driver clk_mt8183_mm_drv = {
>> .probe = clk_mt8183_mm_probe,
>> + .remove = clk_mt8183_mm_remove,
>> .driver = {
>> .name = "clk-mt8183-mm",
>> - .of_match_table = of_match_clk_mt8183_mm,
>> },
>> };
>> -
>> -builtin_platform_driver(clk_mt8183_mm_drv);
>> +module_platform_driver(clk_mt8183_mm_drv);
>
next prev parent reply other threads:[~2020-02-13 19:35 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-07 22:47 [resend PATCH v6 00/12] arm/arm64: mediatek: Fix mmsys device probing matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 01/12] dt-bindings: display: mediatek: Add mmsys binding description matthias.bgg
2019-12-09 5:12 ` CK Hu
2019-12-09 8:48 ` Enric Balletbo i Serra
2020-02-13 18:17 ` Matthias Brugger
2019-12-18 16:39 ` Rob Herring
2019-12-07 22:47 ` [resend PATCH v6 02/12] dt-bindings: mediatek: Add compatible for mt7623 matthias.bgg
2019-12-09 8:51 ` Enric Balletbo i Serra
2019-12-18 17:02 ` Rob Herring
2019-12-07 22:47 ` [resend PATCH v6 03/12] drm/mediatek: Use regmap for register access matthias.bgg
2019-12-09 5:16 ` CK Hu
2019-12-07 22:47 ` [resend PATCH v6 04/12] drm: mediatek: Omit warning on probe defers matthias.bgg
2019-12-09 5:19 ` CK Hu
2019-12-09 9:39 ` Enric Balletbo i Serra
2020-02-13 18:58 ` Matthias Brugger
2019-12-07 22:47 ` [resend PATCH v6 05/12] media: mtk-mdp: Check return value of of_clk_get matthias.bgg
2019-12-09 9:50 ` Enric Balletbo i Serra
2019-12-07 22:47 ` [resend PATCH v6 06/12] clk: mediatek: mt2701: switch mmsys to platform device probing matthias.bgg
2019-12-09 9:58 ` Enric Balletbo i Serra
2020-02-13 19:11 ` Matthias Brugger
2019-12-07 22:47 ` [resend PATCH v6 07/12] clk: mediatek: mt2712e: switch " matthias.bgg
2019-12-09 9:59 ` Enric Balletbo i Serra
2019-12-07 22:47 ` [resend PATCH v6 08/12] clk: mediatek: mt6779: switch mmsys " matthias.bgg
2019-12-09 10:01 ` Enric Balletbo i Serra
2019-12-07 22:47 ` [resend PATCH v6 09/12] clk: mediatek: mt6797: switch " matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 10/12] clk: mediatek: mt8183: switch mmsys " matthias.bgg
2019-12-09 8:51 ` CK Hu
2020-02-13 19:35 ` Matthias Brugger [this message]
2019-12-07 22:47 ` [resend PATCH v6 11/12] clk: mediatek: mt8173: " matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 12/12] drm/mediatek: Add support for mmsys through a pdev matthias.bgg
2019-12-09 5:34 ` CK Hu
2020-02-13 19:46 ` Matthias Brugger
2019-12-09 10:15 ` Enric Balletbo i Serra
2020-02-13 2:57 ` [resend PATCH v6 00/12] arm/arm64: mediatek: Fix mmsys device probing CK Hu
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=c46b1845-de26-d6f9-512a-e329a762cca7@gmail.com \
--to=matthias.bgg@gmail.com \
--cc=airlied@linux.ie \
--cc=ck.hu@mediatek.com \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=drinkcat@chromium.org \
--cc=enric.balletbo@collabora.com \
--cc=frank-w@public-files.de \
--cc=hsinyi@chromium.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=matthias.bgg@kernel.org \
--cc=mbrugger@suse.com \
--cc=mturquette@baylibre.com \
--cc=p.zabel@pengutronix.de \
--cc=rdunlap@infradead.org \
--cc=robh+dt@kernel.org \
--cc=sboyd@kernel.org \
--cc=sean.wang@kernel.org \
--cc=sean.wang@mediatek.com \
--cc=ulrich.hecht+renesas@gmail.com \
--cc=wens@csie.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).