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[Qemu-devel] [PATCH 2/7] xhci: Fix number of streams allocated when usin
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 2/7] xhci: Fix number of streams allocated when using streams |
Date: |
Thu, 19 Sep 2013 11:34:53 +0200 |
From: Hans de Goede <address@hidden>
According to the xhci spec the total number of streams is
2 ^ (MaxPStreams + 1), and this is also how the Linux xhci driver
uses this field.
Signed-off-by: Hans de Goede <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/usb/hcd-xhci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index f02231d..69d9144 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1138,7 +1138,7 @@ static void xhci_reset_streams(XHCIEPContext *epctx)
static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base)
{
assert(epctx->pstreams == NULL);
- epctx->nr_pstreams = 2 << epctx->max_pstreams;
+ epctx->nr_pstreams = 2 << (epctx->max_pstreams + 1);
epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base);
}
--
1.8.3.1
- [Qemu-devel] [PULL 0/7] usb patch queue, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 6/7] usb: Also reset max_packet_size on ep_reset, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 2/7] xhci: Fix number of streams allocated when using streams,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 3/7] xhci: Init a transfers xhci, slotid and epid member on epctx alloc, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 5/7] xhci: Fix memory leak on xhci_disable_ep, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 4/7] xhci: Add xhci_epid_to_usbep helper function, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 7/7] usb: Fix iovec memleak on combined-packet free, Gerd Hoffmann, 2013/09/19
- [Qemu-devel] [PATCH 1/7] usb: remove old usb-host code, Gerd Hoffmann, 2013/09/19