From: Peng Fan peng.fan@nxp.com
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@nxp.com (i.MX8MQ) Reported-by: kernel test robot lkp@intel.com Reported-by: Dong Aisheng aisheng.dong@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com Cc: stable stable@vger.kernel.org Link: https://lore.kernel.org/r/20210910090621.3073540-2-peng.fan@oss.nxp.com Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Bjorn Andersson bjorn.andersson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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); }