Hi Alan, Thank you for your review! > From: Alan Stern, Sent: Saturday, January 25, 2020 12:18 AM <snip> > > diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h > > index a15ce99..0ebfa74 100644 > > --- a/include/linux/usb/ehci_def.h > > +++ b/include/linux/usb/ehci_def.h > > @@ -150,6 +150,7 @@ struct ehci_regs { > > #define PORT_LED_MASK (3<<14) > > #define PORT_OWNER (1<<13) /* true: companion hc owns this port */ > > #define PORT_POWER (1<<12) /* true: has power (see PPC) */ > > +#define PORT_LS_MASK (3<<10) /* USB 1.1 device */ > > The comment should say: /* Link status (SE0, K, or J) */ Oops. I'll fix it. > > #define PORT_USB11(x) (((x)&(3<<10)) == (1<<10)) /* USB 1.1 device */ > > /* 11:10 for detecting lowspeed devices (reset vs release ownership) */ > > You can remove this comment now. Since there is an actual macro for > bits 11:10, we don't need a separate comment saying what they are. I got it. I'll remove the "/* 11:10 for ..." comment on v4 patch. Best regards, Yoshihiro Shimoda > Alan Stern > > > /* 9 reserved */