This is a note to let you know that I've just added the patch titled
remoteproc: elf_loader: Fix loading segment when is_iomem true
to the 5.15-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:
remoteproc-elf_loader-fix-loading-segment-when-is_iomem-true.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 24acbd9dc934f5d9418a736c532d3970a272063e Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@xxxxxxx>
Date: Fri, 10 Sep 2021 17:06:16 +0800
Subject: remoteproc: elf_loader: Fix loading segment when is_iomem true
From: Peng Fan <peng.fan@xxxxxxx>
commit 24acbd9dc934f5d9418a736c532d3970a272063e upstream.
It seems luckliy work on i.MX platform, but it is wrong.
Need use memcpy_toio, not memcpy_fromio.
Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
Tested-by: Dong Aisheng <aisheng.dong@xxxxxxx> (i.MX8MQ)
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dong Aisheng <aisheng.dong@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210910090621.3073540-2-peng.fan@xxxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/remoteproc/remoteproc_elf_loader.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -220,7 +220,7 @@ int rproc_elf_load_segments(struct rproc
/* put the segment where the remote processor expects it */
if (filesz) {
if (is_iomem)
- memcpy_fromio(ptr, (void __iomem *)(elf_data + offset), filesz);
+ memcpy_toio((void __iomem *)ptr, elf_data + offset, filesz);
else
memcpy(ptr, elf_data + offset, filesz);
}
Patches currently in stable-queue which might be from peng.fan@xxxxxxx are
queue-5.15/remoteproc-elf_loader-fix-loading-segment-when-is_iomem-true.patch
queue-5.15/remoteproc-imx_rproc-fix-ignoring-mapping-vdev-regions.patch
queue-5.15/remoteproc-imx_rproc-fix-rsc-table-name.patch
queue-5.15/remoteproc-imx_rproc-fix-tcm-io-memory-type.patch
queue-5.15/remoteproc-fix-the-wrong-default-value-of-is_iomem.patch
