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

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There is no need to store temperary value in hcc_params.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220303110903.1662404-8-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Linyu Yuan 2022-03-03 13:09:01 +02:00 committed by Greg Kroah-Hartman
parent ddfaee6255
commit c63d5757d0
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/host/xhci.c
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@ -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);