Re: [PATCH 20/28] media: platform: jpeg: always reference OF data

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On Tue, Mar 21, 2023 at 09:26:29AM +0100, Krzysztof Kozlowski wrote:
> On 21/03/2023 09:24, Arnd Bergmann wrote:
> > On Tue, Mar 21, 2023, at 09:21, Krzysztof Kozlowski wrote:
> >> On 21/03/2023 09:11, Arnd Bergmann wrote:
> >>> On Sun, Mar 12, 2023, at 14:13, Krzysztof Kozlowski wrote:
> >>>> The driver can match only via the DT table so the table should be always
> >>>> used and the of_match_ptr does not have any sense (this also allows ACPI
> >>>> matching via PRP0001, even though it might not be relevant here).  This
> >>>> also fixes !CONFIG_OF error:
> >>>>
> >>>>   drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c:1890:38: error: 
> >>>> ‘mtk8195_jpegdec_drvdata’ defined but not used 
> >>>> [-Werror=unused-const-variable=]
> >>>>
> >>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> >>>
> >>> I see now that we both submitted the same patch, but now Hans
> >>
> >> We as you and me? I cannot find your patch on lore:
> >> https://lore.kernel.org/all/?q=f%3Aarnd%40arndb.de
> > 
> > This is the one that I sent back in January:
> > 
> > https://lore.kernel.org/all/20230117172644.3044265-1-arnd@xxxxxxxxxx
> 
> Uh, that's from January! It's still waiting in Patchwork:
> https://patchwork.linuxtv.org/project/linux-media/patch/20230117172644.3044265-1-arnd@xxxxxxxxxx/

Yes... this still makes sense, to remove of_match_ptr(). I rebased this,
resulting in:

>From 230cfaabcd2d5a5f0bc74e113fe84f95028bcdc5 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Date: Sun, 12 Mar 2023 14:13:10 +0100
Subject: [PATCH v2 20/28] media: platform: jpeg: always reference OF data

The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
[Sakari Ailus: Rebased on media tree master, reword commit message.]
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 0051f372a66cf..8bcbaa9658bac 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1866,7 +1866,6 @@ static const struct dev_pm_ops mtk_jpeg_pm_ops = {
 	SET_RUNTIME_PM_OPS(mtk_jpeg_pm_suspend, mtk_jpeg_pm_resume, NULL)
 };
 
-#if defined(CONFIG_OF)
 static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = {
 	.clks = mt8173_jpeg_dec_clocks,
 	.num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks),
@@ -1949,14 +1948,13 @@ static const struct of_device_id mtk_jpeg_match[] = {
 };
 
 MODULE_DEVICE_TABLE(of, mtk_jpeg_match);
-#endif
 
 static struct platform_driver mtk_jpeg_driver = {
 	.probe = mtk_jpeg_probe,
 	.remove_new = mtk_jpeg_remove,
 	.driver = {
 		.name           = MTK_JPEG_NAME,
-		.of_match_table = of_match_ptr(mtk_jpeg_match),
+		.of_match_table = mtk_jpeg_match,
 		.pm             = &mtk_jpeg_pm_ops,
 	},
 };
-- 
2.30.2

-- 
Sakari Ailus



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