Re: [PATCH v13 4/6] powerpc: Delete unused function delete_fdt_mem_rsv()

2020-12-22 Thread Lakshmi Ramasubramanian

On 12/22/20 5:08 PM, Thiago Jung Bauermann wrote:


Lakshmi Ramasubramanian  writes:


delete_fdt_mem_rsv() defined in "arch/powerpc/kexec/file_load.c"
has been renamed to fdt_find_and_del_mem_rsv(), and moved to
"drivers/of/kexec.c".

Remove delete_fdt_mem_rsv() in "arch/powerpc/kexec/file_load.c".

Co-developed-by: Prakhar Srivastava 
Signed-off-by: Prakhar Srivastava 
Signed-off-by: Lakshmi Ramasubramanian 
---
  arch/powerpc/include/asm/kexec.h |  1 -
  arch/powerpc/kexec/file_load.c   | 32 
  2 files changed, 33 deletions(-)


As I mentioned in the other email, this patch could remove
setup_new_fdt() as well.

I'm a bit ambivalent on whether this patch should be squashed with
patch 2 or left on its own, but I tend toward the latter option because
patch 2 is big enough already.



I also think Patch #2 is already big enough - I don't want to make more 
changes in that patch.


I will remove delete_fdt_mem_rsv() and setup_new_fdt() in this patch 
(Patch #4) and call of_kexec_setup_new_fdt() directly (in 
setup_new_fdt_ppc64()).


thanks,
 -lakshmi


Re: [PATCH v13 4/6] powerpc: Delete unused function delete_fdt_mem_rsv()

2020-12-22 Thread Thiago Jung Bauermann


Lakshmi Ramasubramanian  writes:

> delete_fdt_mem_rsv() defined in "arch/powerpc/kexec/file_load.c"
> has been renamed to fdt_find_and_del_mem_rsv(), and moved to
> "drivers/of/kexec.c".
>
> Remove delete_fdt_mem_rsv() in "arch/powerpc/kexec/file_load.c".
>
> Co-developed-by: Prakhar Srivastava 
> Signed-off-by: Prakhar Srivastava 
> Signed-off-by: Lakshmi Ramasubramanian 
> ---
>  arch/powerpc/include/asm/kexec.h |  1 -
>  arch/powerpc/kexec/file_load.c   | 32 
>  2 files changed, 33 deletions(-)

As I mentioned in the other email, this patch could remove
setup_new_fdt() as well.

I'm a bit ambivalent on whether this patch should be squashed with
patch 2 or left on its own, but I tend toward the latter option because
patch 2 is big enough already.

-- 
Thiago Jung Bauermann
IBM Linux Technology Center


[PATCH v13 4/6] powerpc: Delete unused function delete_fdt_mem_rsv()

2020-12-19 Thread Lakshmi Ramasubramanian
delete_fdt_mem_rsv() defined in "arch/powerpc/kexec/file_load.c"
has been renamed to fdt_find_and_del_mem_rsv(), and moved to
"drivers/of/kexec.c".

Remove delete_fdt_mem_rsv() in "arch/powerpc/kexec/file_load.c".

Co-developed-by: Prakhar Srivastava 
Signed-off-by: Prakhar Srivastava 
Signed-off-by: Lakshmi Ramasubramanian 
---
 arch/powerpc/include/asm/kexec.h |  1 -
 arch/powerpc/kexec/file_load.c   | 32 
 2 files changed, 33 deletions(-)

diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index dbf09d2f36d0..d4b7d2d6191d 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -126,7 +126,6 @@ int setup_purgatory(struct kimage *image, const void 
*slave_code,
 int setup_new_fdt(const struct kimage *image, void *fdt,
  unsigned long initrd_load_addr, unsigned long initrd_len,
  const char *cmdline);
-int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size);
 
 #ifdef CONFIG_PPC64
 struct kexec_buf;
diff --git a/arch/powerpc/kexec/file_load.c b/arch/powerpc/kexec/file_load.c
index 9f3ec0b239ef..f37652ccb8a1 100644
--- a/arch/powerpc/kexec/file_load.c
+++ b/arch/powerpc/kexec/file_load.c
@@ -109,38 +109,6 @@ int setup_purgatory(struct kimage *image, const void 
*slave_code,
return 0;
 }
 
-/**
- * delete_fdt_mem_rsv - delete memory reservation with given address and size
- *
- * Return: 0 on success, or negative errno on error.
- */
-int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size)
-{
-   int i, ret, num_rsvs = fdt_num_mem_rsv(fdt);
-
-   for (i = 0; i < num_rsvs; i++) {
-   uint64_t rsv_start, rsv_size;
-
-   ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size);
-   if (ret) {
-   pr_err("Malformed device tree.\n");
-   return -EINVAL;
-   }
-
-   if (rsv_start == start && rsv_size == size) {
-   ret = fdt_del_mem_rsv(fdt, i);
-   if (ret) {
-   pr_err("Error deleting device tree 
reservation.\n");
-   return -EINVAL;
-   }
-
-   return 0;
-   }
-   }
-
-   return -ENOENT;
-}
-
 /*
  * setup_new_fdt - modify /chosen and memory reservation for the next kernel
  * @image: kexec image being loaded.
-- 
2.29.2