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new: kfifo

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fslongjin
2022-07-28 19:48:20 +08:00
parent 0761daec0b
commit 2a983a8534
9 changed files with 452 additions and 10 deletions
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2
kernel/driver/usb/xhci/xhci.c
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@ -347,7 +347,7 @@ static uint32_t xhci_hc_get_protocol_offset(int id, uint32_t list_off, const int
*offset = (uint32_t)(dw2 & 0xff) - 1; // 使其转换为zero based
if (count != NULL)
*count = (uint32_t)((dw2 & 0xff00) >> 8);
if (protocol_flag != NULL)
if (protocol_flag != NULL && version == 2)
*protocol_flag = (uint16_t)((dw2 >> 16) & 0x0fff);
return next_list_off;