linux-kernel - Re: [PATCH 14/21] riscv: use for_each_of_cpu

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Message-ID: <mhng-bec6b34b-dd05-410f-bbd2-3a60a196615d@palmer-si-x1c4>
Date:   Tue, 18 Sep 2018 15:53:21 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...ive.com>
To:     robh@...nel.org
CC:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org
Subject:     Re: [PATCH 14/21] riscv: use for_each_of_cpu_node iterator

On Wed, 05 Sep 2018 12:37:31 PDT (-0700), robh@...nel.org wrote:
> Use the for_each_of_cpu_node iterator to iterate over cpu nodes. This
> has the side effect of defaulting to iterating using "cpu" node names in
> preference to the deprecated (for FDT) device_type == "cpu".
>
> Cc: Palmer Dabbelt <palmer@...ive.com>
> Cc: Albert Ou <aou@...s.berkeley.edu>
> Cc: linux-riscv@...ts.infradead.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> Please ack and I will take via the DT tree. This is dependent on the
> first 2 patches.
>
>  arch/riscv/kernel/smpboot.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c
> index 56abab6a9812..3c59afe67951 100644
> --- a/arch/riscv/kernel/smpboot.c
> +++ b/arch/riscv/kernel/smpboot.c
> @@ -52,7 +52,7 @@ void __init setup_smp(void)
>  	struct device_node *dn = NULL;
>  	int hart, im_okay_therefore_i_am = 0;
>
> -	while ((dn = of_find_node_by_type(dn, "cpu"))) {
> +	for_each_of_cpu_node(dn) {
>  		hart = riscv_of_processor_hart(dn);
>  		if (hart >= 0) {
>  			set_cpu_possible(hart, true);

Acked-by: Palmer Dabbelt <palmer@...ive.com>

Thanks!