From: "Péter Ujfalusi" <peter.ujfalusi@gmail.com>
To: "Alice Guo (OSS)" <alice.guo@oss.nxp.com>,
gregkh@linuxfoundation.org, rafael@kernel.org,
horia.geanta@nxp.com, aymen.sghaier@nxp.com,
herbert@gondor.apana.org.au, davem@davemloft.net,
tony@atomide.com, geert+renesas@glider.be,
mturquette@baylibre.com, sboyd@kernel.org, vkoul@kernel.org,
a.hajda@samsung.com, narmstrong@baylibre.com,
robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch,
khilman@baylibre.com, tomba@kernel.org, jyri.sarha@iki.fi,
joro@8bytes.org, will@kernel.org, mchehab@kernel.org,
ulf.hansson@linaro.org, adrian.hunter@intel.com, kishon@ti.com,
kuba@kernel.org, linus.walleij@linaro.org, Roy.Pledge@nxp.com,
leoyang.li@nxp.com, ssantosh@kernel.org, matthias.bgg@gmail.com,
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linux@prisktech.co.nz, stern@rowland.harvard.edu,
wim@linux-watchdog.org, linux@roeck-us.net
Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
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linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org
Subject: Re: [RFC v1 PATCH 3/3] driver: update all the code that use soc_device_match
Date: Tue, 20 Apr 2021 12:40:13 +0300 [thread overview]
Message-ID: <2924b8af-d176-01b1-a221-5219c1128494@gmail.com> (raw)
In-Reply-To: <20210419042722.27554-4-alice.guo@oss.nxp.com>
Hi Alice,
On 4/19/21 7:27 AM, Alice Guo (OSS) wrote:
> From: Alice Guo <alice.guo@nxp.com>
>
> Update all the code that use soc_device_match because add support for
> soc_device_match returning -EPROBE_DEFER.
>
> Signed-off-by: Alice Guo <alice.guo@nxp.com>
> ---
> drivers/bus/ti-sysc.c | 2 +-
> drivers/clk/renesas/r8a7795-cpg-mssr.c | 4 +++-
> drivers/clk/renesas/rcar-gen2-cpg.c | 2 +-
> drivers/clk/renesas/rcar-gen3-cpg.c | 2 +-
> drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c | 7 ++++++-
> drivers/dma/ti/k3-psil.c | 3 +++
> drivers/dma/ti/k3-udma.c | 2 +-
> drivers/gpu/drm/bridge/nwl-dsi.c | 2 +-
> drivers/gpu/drm/meson/meson_drv.c | 4 +++-
> drivers/gpu/drm/omapdrm/dss/dispc.c | 2 +-
> drivers/gpu/drm/omapdrm/dss/dpi.c | 4 +++-
> drivers/gpu/drm/omapdrm/dss/dsi.c | 3 +++
> drivers/gpu/drm/omapdrm/dss/dss.c | 3 +++
> drivers/gpu/drm/omapdrm/dss/hdmi4_core.c | 3 +++
> drivers/gpu/drm/omapdrm/dss/venc.c | 4 +++-
> drivers/gpu/drm/omapdrm/omap_drv.c | 3 +++
> drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 4 +++-
> drivers/gpu/drm/rcar-du/rcar_lvds.c | 2 +-
> drivers/gpu/drm/tidss/tidss_dispc.c | 4 +++-
> drivers/iommu/ipmmu-vmsa.c | 7 +++++--
> drivers/media/platform/rcar-vin/rcar-core.c | 2 +-
> drivers/media/platform/rcar-vin/rcar-csi2.c | 2 +-
> drivers/media/platform/vsp1/vsp1_uif.c | 4 +++-
> drivers/mmc/host/renesas_sdhi_core.c | 2 +-
> drivers/mmc/host/renesas_sdhi_internal_dmac.c | 2 +-
> drivers/mmc/host/sdhci-of-esdhc.c | 21 ++++++++++++++-----
> drivers/mmc/host/sdhci-omap.c | 2 +-
> drivers/mmc/host/sdhci_am654.c | 2 +-
> drivers/net/ethernet/renesas/ravb_main.c | 4 +++-
> drivers/net/ethernet/ti/am65-cpsw-nuss.c | 2 +-
> drivers/net/ethernet/ti/cpsw.c | 2 +-
> drivers/net/ethernet/ti/cpsw_new.c | 2 +-
> drivers/phy/ti/phy-omap-usb2.c | 4 +++-
> drivers/pinctrl/renesas/core.c | 2 +-
> drivers/pinctrl/renesas/pfc-r8a7790.c | 5 ++++-
> drivers/pinctrl/renesas/pfc-r8a7794.c | 5 ++++-
> drivers/soc/fsl/dpio/dpio-driver.c | 13 ++++++++----
> drivers/soc/renesas/r8a774c0-sysc.c | 5 ++++-
> drivers/soc/renesas/r8a7795-sysc.c | 2 +-
> drivers/soc/renesas/r8a77990-sysc.c | 5 ++++-
> drivers/soc/ti/k3-ringacc.c | 2 +-
> drivers/staging/mt7621-pci/pci-mt7621.c | 2 +-
> drivers/thermal/rcar_gen3_thermal.c | 4 +++-
> drivers/thermal/ti-soc-thermal/ti-bandgap.c | 10 +++++++--
> drivers/usb/gadget/udc/renesas_usb3.c | 2 +-
> drivers/usb/host/ehci-platform.c | 4 +++-
> drivers/usb/host/xhci-rcar.c | 2 +-
> drivers/watchdog/renesas_wdt.c | 2 +-
> 48 files changed, 131 insertions(+), 52 deletions(-)
>
...
> diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
> index 96ad21869ba7..50a4c8f0993d 100644
> --- a/drivers/dma/ti/k3-udma.c
> +++ b/drivers/dma/ti/k3-udma.c
> @@ -5188,7 +5188,7 @@ static int udma_probe(struct platform_device *pdev)
> ud->match_data = match->data;
>
> soc = soc_device_match(k3_soc_devices);
> - if (!soc) {
> + if (!IS_ERR(soc) && !soc) {
this does not sound right...
if (!soc || IS_ERR(soc))
or
if (IS_ERR_OR_NULL(soc))
is even better.
> dev_err(dev, "No compatible SoC found\n");
> return -ENODEV;
There might be a clever macro for it, but:
return soc ? PTR_ERR(soc) : -ENODEV;
> }
--
Péter
prev parent reply other threads:[~2021-04-20 9:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-19 4:27 [RFC v1 PATCH 0/3] support soc_device_match to return -EPROBE_DEFER Alice Guo (OSS)
2021-04-19 4:27 ` [RFC v1 PATCH 1/3] drivers: soc: add support for soc_device_match returning -EPROBE_DEFER Alice Guo (OSS)
2021-04-19 4:49 ` Dominique MARTINET
2021-04-19 6:40 ` Alice Guo (OSS)
2021-04-19 8:20 ` Geert Uytterhoeven
2021-04-20 11:21 ` Dan Carpenter
2021-04-19 4:27 ` [RFC v1 PATCH 2/3] caam: add defer probe when the caam driver cannot identify SoC Alice Guo (OSS)
2021-04-19 4:27 ` [RFC v1 PATCH 3/3] driver: update all the code that use soc_device_match Alice Guo (OSS)
2021-04-19 5:02 ` Leon Romanovsky
2021-04-19 6:46 ` Alice Guo (OSS)
2021-04-19 5:02 ` Dominique MARTINET
2021-04-19 7:09 ` Alice Guo (OSS)
2021-04-19 9:03 ` Geert Uytterhoeven
2021-04-19 9:33 ` Dominique MARTINET
2021-04-19 12:16 ` Arnd Bergmann
2021-04-19 23:42 ` Dominique MARTINET
2021-04-20 9:07 ` Arnd Bergmann
2021-04-20 9:10 ` Arnd Bergmann
2021-04-19 13:36 ` Guenter Roeck
2021-04-20 9:40 ` Péter Ujfalusi [this message]
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