This is a note to let you know that I've just added the patch titled
um: virt-pci: fix platform map offset
to the 6.6-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:
um-virt-pci-fix-platform-map-offset.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 02bb8c5c811d1d8398ebb3895cfd8918134232bd
Author: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx>
Date: Fri Sep 1 15:35:43 2023 +0200
um: virt-pci: fix platform map offset
[ Upstream commit 32253f00ac8a8073bf6db4bfe9d6511cc93c4aef ]
The offset is currently always zero so the backend can't distinguish
between accesses to different ioremapped areas.
Fixes: 522c532c4fe7 ("virt-pci: add platform bus support")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c
index ffe2ee8a0246..97a37c062997 100644
--- a/arch/um/drivers/virt-pci.c
+++ b/arch/um/drivers/virt-pci.c
@@ -971,7 +971,7 @@ static long um_pci_map_platform(unsigned long offset, size_t size,
*ops = &um_pci_device_bar_ops;
*priv = &um_pci_platform_device->resptr[0];
- return 0;
+ return offset;
}
static const struct logic_iomem_region_ops um_pci_platform_ops = {
