xhci_writeq() makes the CPU->LE swapping only when addressing registers in the xHCI controller address range and not in the local memory (RAM). We need to use cpu_to_le64() here to ensure that the conversion is done correctly.
Signed-off-by: Stefan Roese sr@denx.de Reviewed-by: Bin Meng bmeng.cn@gmail.com Tested-by: Bin Meng bmeng.cn@gmail.com Cc: Bin Meng bmeng.cn@gmail.com Cc: Marek Vasut marex@denx.de ---
(no changes since v1)
drivers/usb/host/xhci-mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 7d55944765..6cd55fee94 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -562,7 +562,7 @@ int xhci_mem_init(struct xhci_ctrl *ctrl, struct xhci_hccr *hccr, trb_64 = 0; trb_64 = (uintptr_t)seg->trbs; struct xhci_erst_entry *entry = &ctrl->erst.entries[val]; - xhci_writeq(&entry->seg_addr, trb_64); + entry->seg_addr = cpu_to_le64(trb_64); entry->seg_size = cpu_to_le32(TRBS_PER_SEGMENT); entry->rsvd = 0; seg = seg->next;