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usb: ehci: Fix a function name in comments

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Use dma_map_single() instead of pci_map_single(),
because only dma_map_single() is called here.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210925124920.1564-1-caihuoqing@baidu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cai Huoqing
2021-09-25 20:49:17 +08:00
committed by Greg Kroah-Hartman
parent 89e84f9464
commit 1cd2726856
1 changed files with 1 additions and 1 deletions
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drivers/usb/host/ehci-hcd.c
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@@ -588,7 +588,7 @@ static int ehci_run (struct usb_hcd *hcd)
* hcc_params controls whether ehci->regs->segment must (!!!)
* be used; it constrains QH/ITD/SITD and QTD locations.
* dma_pool consistent memory always uses segment zero.
* streaming mappings for I/O buffers, like pci_map_single(),
* streaming mappings for I/O buffers, like dma_map_single(),
* can return segments above 4GB, if the device allows.
*
* NOTE: the dma mask is visible through dev->dma_mask, so