linux-kernel - Re: [PATCH 2/2] ufs: host: scale ICE clock

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Message-ID: <w66a6wfln25o7h7gublrnit5ky33s4vkhbf6jvwylsl4f2n2ou@kgqr7g45a5an>
Date: Wed, 1 Oct 2025 22:15:27 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Abhinaba Rakshit <abhinaba.rakshit@....qualcomm.com>
Cc: Konrad Dybcio <konradybcio@...nel.org>, 
	Manivannan Sadhasivam <mani@...nel.org>, "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>, 
	"Martin K. Petersen" <martin.petersen@...cle.com>, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH 2/2] ufs: host: scale ICE clock

On Wed, Oct 01, 2025 at 05:08:20PM +0530, Abhinaba Rakshit wrote:
> Scale ICE clock from ufs controller.
> 

This isn't a good commit message.

Regards,
Bjorn

> Signed-off-by: Abhinaba Rakshit <abhinaba.rakshit@....qualcomm.com>
> ---
>  drivers/ufs/host/ufs-qcom.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 3e83dc51d53857d5a855df4e4dfa837747559dad..2964b95a4423e887c0414ed9399cc02d37b5229a 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -305,6 +305,13 @@ static int ufs_qcom_ice_prepare_key(struct blk_crypto_profile *profile,
>  	return qcom_ice_prepare_key(host->ice, lt_key, lt_key_size, eph_key);
>  }
>  
> +static int ufs_qcom_ice_scale_clk(struct ufs_qcom_host *host, bool scale_up)
> +{
> +	if (host->hba->caps & UFSHCD_CAP_CRYPTO)
> +		return qcom_ice_scale_clk(host->ice, scale_up);
> +	return 0;
> +}
> +
>  static const struct blk_crypto_ll_ops ufs_qcom_crypto_ops = {
>  	.keyslot_program	= ufs_qcom_ice_keyslot_program,
>  	.keyslot_evict		= ufs_qcom_ice_keyslot_evict,
> @@ -339,6 +346,11 @@ static void ufs_qcom_config_ice_allocator(struct ufs_qcom_host *host)
>  {
>  }
>  
> +static inline int ufs_qcom_ice_scale_clk(struct ufs_qcom_host *host, bool scale_up)
> +{
> +	return 0;
> +}
> +
>  #endif
>  
>  static void ufs_qcom_disable_lane_clks(struct ufs_qcom_host *host)
> @@ -1636,6 +1648,8 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba, bool scale_up,
>  		else
>  			err = ufs_qcom_clk_scale_down_post_change(hba, target_freq);
>  
> +		if (!err)
> +			err = ufs_qcom_ice_scale_clk(host, scale_up);
>  
>  		if (err) {
>  			ufshcd_uic_hibern8_exit(hba);
> 
> -- 
> 2.34.1
>