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remoteproc: elf_loader: Fix loading segment when is_iomem true
It seems luckliy work on i.MX platform, but it is wrong.
Need use memcpy_toio, not memcpy_fromio.
Fixes: 40df0a91b2
("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>
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1 changed files with 1 additions and 1 deletions
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@ -220,7 +220,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
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/* put the segment where the remote processor expects it */
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if (filesz) {
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if (is_iomem)
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memcpy_fromio(ptr, (void __iomem *)(elf_data + offset), filesz);
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memcpy_toio((void __iomem *)ptr, elf_data + offset, filesz);
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else
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memcpy(ptr, elf_data + offset, filesz);
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}
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