Commit c63d5757 authored by Linyu Yuan's avatar Linyu Yuan Committed by Greg Kroah-Hartman
Browse files

usb: host: xhci: update hci_version operation in xhci_gen_setup() 



There is no need to store temperary value in hcc_params.

Signed-off-by: default avatarLinyu Yuan <quic_linyyuan@quicinc.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220303110903.1662404-8-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ddfaee62

drivers/usb/host/xhci.c

+1 −2
Original line number Diff line number Diff line
@@ -5279,8 +5279,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) 
	xhci->hcs_params1 = readl(&xhci->cap_regs->hcs_params1);

	xhci->hcs_params2 = readl(&xhci->cap_regs->hcs_params2);

	xhci->hcs_params3 = readl(&xhci->cap_regs->hcs_params3);

	xhci->hcc_params = readl(&xhci->cap_regs->hc_capbase);

	xhci->hci_version = HC_VERSION(xhci->hcc_params);

	xhci->hci_version = HC_VERSION(readl(&xhci->cap_regs->hc_capbase));

	xhci->hcc_params = readl(&xhci->cap_regs->hcc_params);

	if (xhci->hci_version > 0x100)

		xhci->hcc_params2 = readl(&xhci->cap_regs->hcc_params2);