linux: remove old patches

revert-xhci-Set-scatter-gather-limit.patch:
  we've got no response from upstream. if the issue fixed by this
  patch is still there, I dont care
This commit is contained in:
Stephan Raue 2014-10-08 20:40:33 +03:00
parent 63deab72f2
commit 4435ddffe0

View File

@ -1,43 +0,0 @@
From b6d7efd33fd2843fbafe2b2d4b8119b217779a6a Mon Sep 17 00:00:00 2001
From: fritsch <Peter.Fruehberger@gmail.com>
Date: Sat, 3 May 2014 00:08:24 +0200
Subject: [PATCH] Revert "Revert "xhci: Set scatter-gather limit to avoid
failed block writes.""
This reverts commit 47f467ac740ebf0475a5176ddb1741acba6aad4e.
---
drivers/usb/host/xhci.c | 4 ++--
drivers/usb/host/xhci.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5a646a6..cfa5995 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4716,8 +4716,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
struct device *dev = hcd->self.controller;
int retval;
- /* Accept arbitrarily long scatter-gather lists */
- hcd->self.sg_tablesize = ~0;
+ /* Limit the block layer scatter-gather lists to half a segment. */
+ hcd->self.sg_tablesize = TRBS_PER_SEGMENT / 2;
/* support to build packet from discontinuous buffers */
hcd->self.no_sg_constraint = 1;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 03c74b7..c283cf1 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1260,7 +1260,7 @@ union xhci_trb {
* since the command ring is 64-byte aligned.
* It must also be greater than 16.
*/
-#define TRBS_PER_SEGMENT 64
+#define TRBS_PER_SEGMENT 256
/* Allow two commands + a link TRB, along with any reserved command TRBs */
#define MAX_RSVD_CMD_TRBS (TRBS_PER_SEGMENT - 3)
#define TRB_SEGMENT_SIZE (TRBS_PER_SEGMENT*16)
--
1.9.1