[PATCHv2 1/3] of: Split early_init_dt_scan into two parts
Tushar Behera
trblinux at gmail.com
Tue Jul 1 23:00:33 PDT 2014
On 07/02/2014 07:33 AM, Laura Abbott wrote:
> Currently, early_init_dt_scan validates the header, sets the
> boot params, and scans for chosen/memory all in one function.
> Split this up into two separate functions (validation/setting
> boot params in one, scanning in another) to allow for
> additional setup between boot params and scanning the memory.
>
> Signed-off-by: Laura Abbott <lauraa at codeaurora.org>
> ---
Tested the patchset on top of Linus' tree.
Verified after enabling following debug message.
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -865,7 +865,7 @@ int __init early_init_dt_scan_memory(unsigned long
node, const char *uname,
endp = reg + (l / sizeof(__be32));
- pr_debug("memory scan node %s, reg size %d, data: %x %x %x %x,\n",
+ pr_err("memory scan node %s, reg size %d, data: %x %x %x %x,\n",
Output before:
memory scan node memory, reg size 96, data: 20 10 30 10,
Output after:
memory scan node memory, reg size 64, data: 20 10 30 10,
Tested-by: Tushar Behera <trblinux at gmail.com>
One minor nit below ...
> drivers/of/fdt.c | 18 +++++++++++++++++-
> include/linux/of_fdt.h | 2 ++
> 2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index c4cddf0..55bfca9 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -922,7 +922,7 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
> }
> #endif
>
> -bool __init early_init_dt_scan(void *params)
> +bool __init early_init_dt_verify(void *params)
> {
> if (!params)
> return false;
> @@ -936,6 +936,12 @@ bool __init early_init_dt_scan(void *params)
> return false;
> }
>
> + return true;
> +}
> +
> +
Extra blank line here. Can be removed.
--
Tushar Behera
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