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Message-ID: <CAMuHMdUi-_LJBB7fYB9ugpcj0J+FWXrqn2u44n7MemmvwiWQWw@mail.gmail.com> Date: Mon, 15 Feb 2021 12:19:32 +0100 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Saravana Kannan <saravanak@...gle.com> Cc: Jonathan Corbet <corbet@....net>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, Kevin Hilman <khilman@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>, Len Brown <len.brown@...el.com>, Len Brown <lenb@...nel.org>, Pavel Machek <pavel@....cz>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com>, Marc Zyngier <maz@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux PM list <linux-pm@...r.kernel.org>, linux-clk <linux-clk@...r.kernel.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, ACPI Devel Maling List <linux-acpi@...r.kernel.org>, Marek Szyprowski <m.szyprowski@...sung.com>, Android Kernel Team <kernel-team@...roid.com>, Linux-Renesas <linux-renesas-soc@...r.kernel.org> Subject: Re: [PATCH v4 0/8] Make fw_devlink=on more forgiving On Thu, Feb 11, 2021 at 2:00 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote: > On Fri, Feb 5, 2021 at 11:26 PM Saravana Kannan <saravanak@...gle.com> wrote: > > There are a lot of devices/drivers where they never have a struct device > > created for them or the driver initializes the hardware without ever > > binding to the struct device. > > > > This series is intended to avoid any boot regressions due to such > > devices/drivers when fw_devlink=on and also address the handling of > > optional suppliers. > - Some devices are reprobed, despite their drivers returning > a real error code, and not -EPROBE_DEFER: > > renesas_wdt e6020000.watchdog: Watchdog blacklisted on r8a7791 ES1.* > (rwdt_probe() returns -ENODEV) > > sh-pfc e6060000.pinctrl: pin GP_7_23 already requested by > ee090000.pci; cannot claim for e6590000.usb > sh-pfc e6060000.pinctrl: pin-247 (e6590000.usb) status -22 > sh-pfc e6060000.pinctrl: could not request pin 247 > (GP_7_23) from group usb0 on device sh-pfc > renesas_usbhs e6590000.usb: Error applying setting, > reverse things back > renesas_usbhs: probe of e6590000.usb failed with error -22 > > rcar-pcie fe000000.pcie: host bridge /soc/pcie@...00000 ranges: > rcar-pcie fe000000.pcie: IO > 0x00fe100000..0x00fe1fffff -> 0x0000000000 > rcar-pcie fe000000.pcie: MEM > 0x00fe200000..0x00fe3fffff -> 0x00fe200000 > rcar-pcie fe000000.pcie: MEM > 0x0030000000..0x0037ffffff -> 0x0030000000 > rcar-pcie fe000000.pcie: MEM > 0x0038000000..0x003fffffff -> 0x0038000000 > rcar-pcie fe000000.pcie: IB MEM > 0x0040000000..0x00bfffffff -> 0x0040000000 > rcar-pcie fe000000.pcie: IB MEM > 0x0200000000..0x02ffffffff -> 0x0200000000 > rcar-pcie fe000000.pcie: PCIe link down > (rcar_pcie_probe() returns -ENODEV) > > xhci-hcd ee000000.usb: xHCI Host Controller > xhci-hcd ee000000.usb: new USB bus registered, assigned bus number 7 > xhci-hcd ee000000.usb: Direct firmware load for > r8a779x_usb3_v3.dlmem failed with error -2 > xhci-hcd ee000000.usb: can't setup: -2 > xhci-hcd ee000000.usb: USB bus 7 deregistered > xhci-hcd: probe of ee000000.usb failed with error -2 Consumers are added to the deferred probe pending list before they are probed, but not removed on probe failure. Patch sent "[PATCH] driver core: Fix double failed probing with fw_devlink=on" https://lore.kernel.org/linux-renesas-soc/20210215111619.2385030-1-geert+renesas@glider.be/ Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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