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usb: xhci: move DCBAA pointer write

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Move the Device Context Base Address Array (DCBAA) pointer write from
xhci_mem_init() to xhci_init(). This is part of the ongoing effort to
separate allocation and initialization.

Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-8-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niklas Neronin 2025-05-15 16:56:04 +03:00 committed by Greg Kroah-Hartman
parent 1711b25548
commit 44455f666b
2 changed files with 3 additions and 1 deletions
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1
drivers/usb/host/xhci-mem.c
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@ -2434,7 +2434,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"// Device context base array address = 0x%pad (DMA), %p (virt)",
&xhci->dcbaa->dma, xhci->dcbaa);
xhci_write_64(xhci, dma, &xhci->op_regs->dcbaa_ptr);
/*
* Initialize the ring segment pool. The ring must be a contiguous

3
drivers/usb/host/xhci.c
View File

@ -545,6 +545,9 @@ static int xhci_init(struct usb_hcd *hcd)
/* Set the address in the Command Ring Control register */
xhci_set_cmd_ring_deq(xhci);
/* Set Device Context Base Address Array pointer */
xhci_write_64(xhci, xhci->dcbaa->dma, &xhci->op_regs->dcbaa_ptr);
/* Initializing Compliance Mode Recovery Data If Needed */
if (xhci_compliance_mode_recovery_timer_quirk_check()) {
xhci->quirks |= XHCI_COMP_MODE_QUIRK;