This is a note to let you know that I've just added the patch titled
usb: host: xhci-plat: use ioremap_nocache
to the 3.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-host-xhci-plat-use-ioremap_nocache.patch
and it can be found in the queue-3.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 319acdfc064169023cd9ada5085b434fbcdacec2 Mon Sep 17 00:00:00 2001
From: Ruchika Kharwar <[email protected]>
Date: Fri, 10 Aug 2012 09:58:30 +0300
Subject: usb: host: xhci-plat: use ioremap_nocache
From: Ruchika Kharwar <[email protected]>
commit 319acdfc064169023cd9ada5085b434fbcdacec2 upstream.
Use the ioremap_nocache variant of the ioremap API in
order to make sure our memory will be marked uncachable.
This patch should be backported to kernels as old as 3.4, that contain
the commit 3429e91a661e1f383aecc86c6bbcf65afb15c892 "usb: host: xhci:
add platform driver support".
Signed-off-by: Ruchika Kharwar <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Sarah Sharp <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/host/xhci-plat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -118,7 +118,7 @@ static int xhci_plat_probe(struct platfo
goto put_hcd;
}
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
dev_dbg(&pdev->dev, "error mapping memory\n");
ret = -EFAULT;
Patches currently in stable-queue which might be from [email protected] are
queue-3.5/usb-host-xhci-fix-compilation-error-for-non-pci-based-stacks.patch
queue-3.5/usb-host-xhci-plat-use-ioremap_nocache.patch
queue-3.5/usb-dwc3-core-fix-incorrect-usage-of-resource-pointer.patch
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