[RFC PATCH] usb: reduce kernel log spam on driver registration

Russell King (Oracle) linux at armlinux.org.uk
Thu Aug 25 11:10:04 PDT 2022


On Thu, Aug 25, 2022 at 10:53:44PM +0530, Alim Akhtar 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.
> >
> How about just change pr_info() to pr_debug() instead? 

Do the messages serve a useful purpose that the initcall_debug kernel
parameter (that doesn't require #define DEBUG to be set while compiling
and thus can be used with any kernel) doesn't provide? 

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!



More information about the linux-arm-kernel mailing list