Re: [PATCH] USB: HCD: remove logic about which hcd is loaded

[Greg Kroah-Hartman]

On Sat, Jan 10, 2026 at 05:49:25PM +0800, 陈华才 wrote:
> 
> 
> 
> > -----原始邮件-----
> > 发件人: "Greg Kroah-Hartman" <gregkh@xxxxxxxxxxxxxxxxxxx>
> > 发送时间:2026-01-07 23:25:40 (星期三)
> > 收件人: linux-usb@xxxxxxxxxxxxxxx
> > 抄送: linux-kernel@xxxxxxxxxxxxxxx, "Greg Kroah-Hartman" <gregkh@xxxxxxxxxxxxxxxxxxx>, "Huacai Chen" <chenhuacai@xxxxxxxxxxx>, "Alan Stern" <stern@xxxxxxxxxxxxxxxxxxx>
> > 主题: [PATCH] USB: HCD: remove logic about which hcd is loaded
> > 
> > It turns out that warning about which USB host controller is loaded
> > before another one doesn't really matter.  All that really is needed is
> > the PCI softdep module loading logic, which has been present in the
> > kernel ever since commit 05c92da0c524 ("usb: ohci/uhci - add soft
> > dependencies on ehci_pci")
> > 
> > So remove the warning messages, they are not useful, not needed, and
> > only confuse people.  As can be seen in the discussion at
> > https://lore.kernel.org/r/20251230080014.3934590-1-chenhuacai@xxxxxxxxxxx
> > 
> > Cc: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> > Suggested-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> 
> And it should be backported to stable branches?

It doesn't change any behavior, so why would it be needed anywhere else?
It's just removing a message that people have been ignoring for a very
very long time :)

thanks,

greg k-h