Re: [PATCH] firmware: fix alignment of firmware images

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On Mon, Jul 03, 2023 at 04:21:22PM +0200, Ahmad Fatoum wrote:
> ASM_LGPTR is a preprocessor symbol, not a Make variable, so expanding it
> in the Makefile results in .p2align without an argument, which disables
> alignment requirement. Fix this to restore the sizeof(void *) alignment
> we had before.
> 
> Fixes: a59e2740b4a7 ("firmware: reference pointer alignment defined in <asm-generic/pointer.h>")
> Reported-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
>  firmware/Makefile | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/firmware/Makefile b/firmware/Makefile
> index 8d3bfb0752ff..d7f35853a404 100644
> --- a/firmware/Makefile
> +++ b/firmware/Makefile
> @@ -49,7 +49,7 @@ filechk_fwbin = { \
>  	echo "\#include <asm-generic/pointer.h>"		;\
>  	echo ".section .note.GNU-stack,\"\",%progbits"		;\
>  	echo "    .section $2,\"$3\""				;\
> -	echo "    .p2align $(ASM_LGPTR)"			;\
> +	echo "    .p2align ASM_LGPTR"				;\
>  	echo ".global _fw_$(FWSTR)_start"			;\
>  	echo "_fw_$(FWSTR)_start:"				;\
>  	echo "\#if $(FWNAME_EXISTS)"				;\
> @@ -68,7 +68,7 @@ filechk_fwbin = { \
>  
>  __fwbin_sha = { \
>  	echo "    .section .rodata.$(FWSTR).sha"		;\
> -	echo "    .p2align $(ASM_LGPTR)"			;\
> +	echo "    .p2align ASM_LGPTR"				;\
>  	echo ".global _fw_$(FWSTR)_sha_start"			;\
>  	echo "_fw_$(FWSTR)_sha_start:"				;\
>  	echo "    .incbin \"$(fwobjdir)/$(FWNAME).sha.bin\""	;\
> -- 
> 2.39.2
> 
> 

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