linux-kernel - Re: [PATCH v3 3/4] clk: spacemit: add platform SoC prefix to reset name

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <017413d7-426f-495e-94df-b93e39b0be98@riscstar.com>
Date: Tue, 6 Jan 2026 08:43:56 -0600
From: Alex Elder <elder@...cstar.com>
To: Yixun Lan <dlan@...too.org>, Stephen Boyd <sboyd@...nel.org>,
 Michael Turquette <mturquette@...libre.com>,
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: Guodong Xu <guodong@...cstar.com>, Inochi Amaoto <inochiama@...il.com>,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev
Subject: Re: [PATCH v3 3/4] clk: spacemit: add platform SoC prefix to reset
 name

On 1/3/26 1:26 AM, Yixun Lan wrote:
> This change is needed for adding future new SpacemiT K3 reset driver.
> 
> Since both K1 and K3 reset code register via the same module which its
> name changed to spacemit_ccu, it's necessary to encode the platform/SoC
> in the reset auxiliary device name to distinguish them, otherwise two
> reset drivers will claim to support same "compatible" auxiliary device
> even in the case of only one CCU clock driver got registered, which in
> the end lead to a broken reset driver.
> 
> Signed-off-by: Yixun Lan <dlan@...too.org>

Looks good.

Reviewed-by: Alex Elder <elder@...cstar.com>

> ---
>   drivers/clk/spacemit/ccu-k1.c | 12 ++++++------
>   1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c
> index 02c792a73759..dee14d25f75d 100644
> --- a/drivers/clk/spacemit/ccu-k1.c
> +++ b/drivers/clk/spacemit/ccu-k1.c
> @@ -789,7 +789,7 @@ static struct clk_hw *k1_ccu_mpmu_hws[] = {
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_mpmu_data = {
> -	.reset_name	= "mpmu-reset",
> +	.reset_name	= "k1-mpmu-reset",
>   	.hws		= k1_ccu_mpmu_hws,
>   	.num		= ARRAY_SIZE(k1_ccu_mpmu_hws),
>   };
> @@ -900,7 +900,7 @@ static struct clk_hw *k1_ccu_apbc_hws[] = {
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_apbc_data = {
> -	.reset_name	= "apbc-reset",
> +	.reset_name	= "k1-apbc-reset",
>   	.hws		= k1_ccu_apbc_hws,
>   	.num		= ARRAY_SIZE(k1_ccu_apbc_hws),
>   };
> @@ -971,21 +971,21 @@ static struct clk_hw *k1_ccu_apmu_hws[] = {
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_apmu_data = {
> -	.reset_name	= "apmu-reset",
> +	.reset_name	= "k1-apmu-reset",
>   	.hws		= k1_ccu_apmu_hws,
>   	.num		= ARRAY_SIZE(k1_ccu_apmu_hws),
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_rcpu_data = {
> -	.reset_name	= "rcpu-reset",
> +	.reset_name	= "k1-rcpu-reset",
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_rcpu2_data = {
> -	.reset_name	= "rcpu2-reset",
> +	.reset_name	= "k1-rcpu2-reset",
>   };
>   
>   static const struct spacemit_ccu_data k1_ccu_apbc2_data = {
> -	.reset_name	= "apbc2-reset",
> +	.reset_name	= "k1-apbc2-reset",
>   };
>   
>   static const struct of_device_id of_k1_ccu_match[] = {
>