RE: [RFC v1 PATCH 3/3] driver: update all the code that use soc_device_match

Alice Guo (OSS)
2021-04-19T06:46:28Z

> -----Original Message-----
> From: Leon Romanovsky <leon@kernel.org>
> Sent: 2021年4月19日 13:02
> To: Alice Guo (OSS) <alice.guo@oss.nxp.com>
> Cc: gregkh@linuxfoundation.org; rafael@kernel.org; Horia Geanta
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> Subject: Re: [RFC v1 PATCH 3/3] driver: update all the code that use
> soc_device_match
>
> On Mon, Apr 19, 2021 at 12:27:22PM +0800, 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/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index
> > 5fae60f8c135..00c59aa217c1 100644
> > --- a/drivers/bus/ti-sysc.c
> > +++ b/drivers/bus/ti-sysc.c
> > @@ -2909,7 +2909,7 @@ static int sysc_init_soc(struct sysc *ddata)
> > }
> >
> > match = soc_device_match(sysc_soc_feat_match);
> > - if (!match)
> > + if (!match || IS_ERR(match))
> > return 0;
> >
> > if (match->data)
> > diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c
> > b/drivers/clk/renesas/r8a7795-cpg-mssr.c
> > index c32d2c678046..90a18336a4c3 100644
> > --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
> > +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
> > @@ -439,6 +439,7 @@ static const unsigned int r8a7795es2_mod_nullify[]
> > __initconst = {
> >
> > static int __init r8a7795_cpg_mssr_init(struct device *dev) {
> > + const struct soc_device_attribute *match;
> > const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
> > u32 cpg_mode;
> > int error;
> > @@ -453,7 +454,8 @@ static int __init r8a7795_cpg_mssr_init(struct device
> *dev)
> > return -EINVAL;
> > }
> >
> > - if (soc_device_match(r8a7795es1)) {
> > + match = soc_device_match(r8a7795es1);
> > + if (!IS_ERR(match) && match) {
>
> "if (!IS_ERR_OR_NULL(match))" in all places.

Thank you for your suggestion. I will modify them.

Best Regards,
Alice Guo

> Thanks