Re: [PATCH v2 1/2] USB:ehci:Add a whitelist for EHCI controllers

From: Greg KH
Date: Thu Apr 08 2021 - 10:53:13 EST


On Thu, Apr 08, 2021 at 09:49:19PM +0800, Longfang Liu wrote:
> Some types of EHCI controllers do not have SBRN registers.
> By comparing the white list, the operation of reading the SBRN
> registers is skipped.
>
> Subsequent EHCI controller types without SBRN registers can be
> directly added to the white list.
>
> The current patch does not affect the drive function.
>
> Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx>
> ---
> drivers/usb/host/ehci-pci.c | 28 ++++++++++++++++++++++++----
> 1 file changed, 24 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
> index 3c3820a..534e906 100644
> --- a/drivers/usb/host/ehci-pci.c
> +++ b/drivers/usb/host/ehci-pci.c
> @@ -47,6 +47,29 @@ static inline bool is_bypassed_id(struct pci_dev *pdev)
> return !!pci_match_id(bypass_pci_id_table, pdev);
> }
>
> +static const struct usb_nosbrn_whitelist_entry {

Again, please do not use the term "whitelist", it is vague and you can
pick a better term for this.

How about:
struct ehci_nosbrn;

thanks,

greg k-h