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usb: xhci: move initialization for lifetime objects

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Initialize objects that exist for the lifetime of the driver only once,
rather than repeatedly. These objects do not require re-initialization
after events such as S4 (suspend-to-disk).

Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://patch.msgid.link/20260402131342.2628648-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niklas Neronin 2026-04-02 16:13:26 +03:00 committed by Greg Kroah-Hartman
parent e4573f4937
commit 45484754a0
2 changed files with 8 additions and 8 deletions
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1
drivers/usb/host/xhci-mem.c
View File

@ -2009,7 +2009,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
xhci->port_caps = NULL;
xhci->interrupters = NULL;
xhci->page_size = 0;
xhci->usb2_rhub.bus_state.bus_suspended = 0;
xhci->usb3_rhub.bus_state.bus_suspended = 0;
}

15
drivers/usb/host/xhci.c
View File

@ -549,13 +549,6 @@ static int xhci_init(struct usb_hcd *hcd)
int retval;
xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Starting %s", __func__);
spin_lock_init(&xhci->lock);
INIT_LIST_HEAD(&xhci->cmd_list);
INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout);
init_completion(&xhci->cmd_ring_stop_completion);
xhci_hcd_page_size(xhci);
memset(xhci->devs, 0, MAX_HC_SLOTS * sizeof(*xhci->devs));
retval = xhci_mem_init(xhci, GFP_KERNEL);
if (retval)
@ -5532,6 +5525,14 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
}
spin_lock_init(&xhci->lock);
INIT_LIST_HEAD(&xhci->cmd_list);
INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout);
init_completion(&xhci->cmd_ring_stop_completion);
xhci_hcd_page_size(xhci);
memset(xhci->devs, 0, MAX_HC_SLOTS * sizeof(*xhci->devs));
xhci_dbg(xhci, "Calling HCD init\n");
/* Initialize HCD and host controller data structures. */
retval = xhci_init(hcd);