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usb: host: xhci: update hci_version operation in xhci_gen_setup()
author
Linyu Yuan
<quic_linyyuan@quicinc.com>
Thu, 3 Mar 2022 11:09:01 +0000
(13:09 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 3 Mar 2022 14:46:08 +0000
(15:46 +0100)
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>
drivers/usb/host/xhci.c
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diff --git
a/drivers/usb/host/xhci.c
b/drivers/usb/host/xhci.c
index 6b32f7e65d4c4ecb12b413f2518862cb84e3c6f6..e17eef88e5d7ddd817d0a4993bd7a0dee6437f7d 100644
(file)
--- a/
drivers/usb/host/xhci.c
+++ b/
drivers/usb/host/xhci.c
@@
-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);