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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2020-07-23 17:45:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-23 18:05:27 +0300 |
| commit | 7cd6312e09be4f271885be9e89d092058e536539 (patch) | |
| tree | 7787551dfaceb2af17125c9e29eea636a895852f /drivers/usb/host/xhci-dbgcap.c | |
| parent | 985247fe4c524eeffd94e7af486ffa6cc9a2fc53 (diff) | |
| download | linux-7cd6312e09be4f271885be9e89d092058e536539.tar.xz | |
xhci: dbc: Don't use xhci_write_64() as it takes xhci as a parameter
xhci_write_64() is essentially a wrapper for lo_hi_writeq(), but it
requires struct xhci_hcd * as a parameter.
Use lo_hi_writeq() directly instead
No functional changes
This change helps decoupling xhci and DbC
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200723144530.9992-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-dbgcap.c')
| -rw-r--r-- | drivers/usb/host/xhci-dbgcap.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index 3375be7ea642..3541fbbfc28b 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -101,7 +101,7 @@ static void xhci_dbc_init_contexts(struct xhci_hcd *xhci, u32 string_length) ep_ctx->deq = cpu_to_le64(deq | dbc->ring_in->cycle_state); /* Set DbC context and info registers: */ - xhci_write_64(xhci, dbc->ctx->dma, &dbc->regs->dccp); + lo_hi_writeq(dbc->ctx->dma, &dbc->regs->dccp); dev_info = cpu_to_le32((DBC_VENDOR_ID << 16) | DBC_PROTOCOL); writel(dev_info, &dbc->regs->devinfo1); @@ -413,10 +413,11 @@ static int xhci_dbc_mem_init(struct xhci_hcd *xhci, gfp_t flags) /* Setup ERST register: */ writel(dbc->erst.erst_size, &dbc->regs->ersts); - xhci_write_64(xhci, dbc->erst.erst_dma_addr, &dbc->regs->erstba); + + lo_hi_writeq(dbc->erst.erst_dma_addr, &dbc->regs->erstba); deq = xhci_trb_virt_to_dma(dbc->ring_evt->deq_seg, dbc->ring_evt->dequeue); - xhci_write_64(xhci, deq, &dbc->regs->erdp); + lo_hi_writeq(deq, &dbc->regs->erdp); /* Setup strings and contexts: */ string_length = xhci_dbc_populate_strings(dbc->string); @@ -788,7 +789,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc) if (update_erdp) { deq = xhci_trb_virt_to_dma(dbc->ring_evt->deq_seg, dbc->ring_evt->dequeue); - xhci_write_64(xhci, deq, &dbc->regs->erdp); + lo_hi_writeq(deq, &dbc->regs->erdp); } return EVT_DONE; |