Memory allocated by dma_alloc_coherent() is already zeroed out,
ehci->qh_list[0] never changes during the operation of the driver and
ehci->qh_list[1] will be explicitly initialized by ehci_submit_async()
so this additional memset() shouldn't be necessary.
Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
drivers/usb/host/ehci-hcd.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 050a3166e..11c34d8a2 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -839,8 +839,6 @@ static int ehci_init(struct usb_host *host)
return ret;
}
- memset(ehci->qh_list, 0, sizeof(struct QH) * NUM_TD);
-
ehci->qh_list->qh_link = cpu_to_hc32((uint32_t)ehci->qh_list |
QH_LINK_TYPE_QH);
ehci->qh_list->qh_endpt1 = cpu_to_hc32(QH_ENDPT1_H(1) |
QH_ENDPT1_EPS(USB_SPEED_HIGH));
--
2.21.0
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