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authorMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
committerMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
commitc55b44c9386f3ee1b08752638559f19deaf6040d (patch)
treec843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/remoteproc/remoteproc_elf_loader.c
parentMAINTAINERS: Update my e-mail (diff)
parentLinux 5.13-rc1 (diff)
downloadlinux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz
linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/remoteproc/remoteproc_elf_loader.c')
-rw-r--r--drivers/remoteproc/remoteproc_elf_loader.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index df68d87752e4..11423588965a 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -175,6 +175,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
u64 offset = elf_phdr_get_p_offset(class, phdr);
u32 type = elf_phdr_get_p_type(class, phdr);
void *ptr;
+ bool is_iomem;
if (type != PT_LOAD)
continue;
@@ -204,7 +205,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/* grab the kernel address for this device address */
- ptr = rproc_da_to_va(rproc, da, memsz);
+ ptr = rproc_da_to_va(rproc, da, memsz, &is_iomem);
if (!ptr) {
dev_err(dev, "bad phdr da 0x%llx mem 0x%llx\n", da,
memsz);
@@ -213,8 +214,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/* put the segment where the remote processor expects it */
- if (filesz)
- memcpy(ptr, elf_data + offset, filesz);
+ if (filesz) {
+ if (is_iomem)
+ memcpy_fromio(ptr, (void __iomem *)(elf_data + offset), filesz);
+ else
+ memcpy(ptr, elf_data + offset, filesz);
+ }
/*
* Zero out remaining memory for this segment.
@@ -223,8 +228,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
* did this for us. albeit harmless, we may consider removing
* this.
*/
- if (memsz > filesz)
- memset(ptr + filesz, 0, memsz - filesz);
+ if (memsz > filesz) {
+ if (is_iomem)
+ memset_io((void __iomem *)(ptr + filesz), 0, memsz - filesz);
+ else
+ memset(ptr + filesz, 0, memsz - filesz);
+ }
}
return ret;
@@ -377,6 +386,6 @@ struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
return NULL;
}
- return rproc_da_to_va(rproc, sh_addr, sh_size);
+ return rproc_da_to_va(rproc, sh_addr, sh_size, NULL);
}
EXPORT_SYMBOL(rproc_elf_find_loaded_rsc_table);