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SubjectRe: [RFC PATCH] usb: reduce kernel log spam on driver registration
On Thu, Aug 25, 2022 at 12:04 PM Ard Biesheuvel <ardb@kernel.org> wrote:
>
> Drivers are typically supposed to be quiet unless they are actually
> probed, but for some reason, USB host controllers seem to be exempt from
> this rule, and happily broadcast their existence into the kernel log at
> boot even if the hardware in question is nowhere to be found.
>
> Let's fix that, and remove these pr_info() calls.
>
> Cc: Alan Stern <stern@rowland.harvard.edu>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Cc: Alim Akhtar <alim.akhtar@samsung.com>
> Cc: Avi Fishman <avifishman70@gmail.com>
> Cc: Tomer Maimon <tmaimon77@gmail.com>
> Cc: Tali Perry <tali.perry1@gmail.com>
> Cc: Patrick Venture <venture@google.com>
> Cc: Nancy Yuen <yuenn@google.com>
> Cc: Benjamin Fair <benjaminfair@google.com>
> Cc: Patrice Chotard <patrice.chotard@foss.st.com>
> Cc: Vladimir Zapolskiy <vz@mleia.com>
> Cc: linux-usb@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-samsung-soc@vger.kernel.org
> Cc: linux-omap@vger.kernel.org
> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> drivers/usb/host/ehci-atmel.c | 1 -
> drivers/usb/host/ehci-exynos.c | 1 -
> drivers/usb/host/ehci-fsl.c | 2 --
> drivers/usb/host/ehci-hcd.c | 1 -
> drivers/usb/host/ehci-npcm7xx.c | 2 --
> drivers/usb/host/ehci-omap.c | 2 --
> drivers/usb/host/ehci-orion.c | 2 --
> drivers/usb/host/ehci-pci.c | 2 --
> drivers/usb/host/ehci-platform.c | 2 --
> drivers/usb/host/ehci-spear.c | 2 --
> drivers/usb/host/ehci-st.c | 2 --
> drivers/usb/host/fotg210-hcd.c | 1 -
> drivers/usb/host/ohci-at91.c | 1 -
> drivers/usb/host/ohci-da8xx.c | 1 -
> drivers/usb/host/ohci-exynos.c | 1 -
> drivers/usb/host/ohci-hcd.c | 1 -
> drivers/usb/host/ohci-nxp.c | 2 --
> drivers/usb/host/ohci-omap.c | 2 --
> drivers/usb/host/ohci-pci.c | 2 --
> drivers/usb/host/ohci-platform.c | 2 --
> drivers/usb/host/ohci-pxa27x.c | 2 --
> drivers/usb/host/ohci-s3c2410.c | 1 -
> drivers/usb/host/ohci-spear.c | 2 --
> drivers/usb/host/ohci-st.c | 2 --
> 24 files changed, 39 deletions(-)

Reviewed-by: Rob Herring <robh@kernel.org>

I've had the same patch sitting around since 3.15...

Rob

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