linux-kernel - Re: [PATCH] drivers: interconnect: sdm660: Fix up erroneous paths

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Message-ID: <7844e0fc-3cb7-6653-217b-e615ef7a15ac@kernel.org>
Date:   Mon, 9 Aug 2021 15:28:26 +0300
From:   Georgi Djakov <djakov@...nel.org>
To:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: interconnect: sdm660: Fix up erroneous paths

Hi Konrad,

Thanks for the patch!

On 29.07.21 1:20, Konrad Dybcio wrote:
> Fix the earlier porting mistakes to make interconnect work properly.

Could you be more specific, please? Do we need a fixes tag?

> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> ---
>   drivers/interconnect/qcom/sdm660.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c
> index 632dbdd21915..93856dd6730b 100644
> --- a/drivers/interconnect/qcom/sdm660.c
> +++ b/drivers/interconnect/qcom/sdm660.c
> @@ -264,10 +264,10 @@ DEFINE_QNODE(mas_sdcc_1, SDM660_MASTER_SDCC_1, 8, 33, -1, false, -1, 0, -1, SDM6
>   DEFINE_QNODE(mas_sdcc_2, SDM660_MASTER_SDCC_2, 8, 35, -1, false, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
>   DEFINE_QNODE(mas_blsp_1, SDM660_MASTER_BLSP_1, 4, 41, -1, false, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
>   DEFINE_QNODE(mas_blsp_2, SDM660_MASTER_BLSP_2, 4, 39, -1, false, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
> -DEFINE_QNODE(mas_ufs, SDM660_MASTER_UFS, 8, 68, -1, true, NOC_QOS_MODE_FIXED, 1, 4, SDM660_SLAVE_A2NOC_SNOC);
> -DEFINE_QNODE(mas_usb_hs, SDM660_MASTER_USB_HS, 8, 42, -1, true, NOC_QOS_MODE_FIXED, 1, 1, SDM660_SLAVE_A2NOC_SNOC);
> +DEFINE_QNODE(mas_ufs, SDM660_MASTER_UFS, 8, 68, -1, true, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
> +DEFINE_QNODE(mas_usb_hs, SDM660_MASTER_USB_HS, 8, 42, -1, true, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
>   DEFINE_QNODE(mas_usb3, SDM660_MASTER_USB3, 8, 32, -1, true, NOC_QOS_MODE_FIXED, 1, 2, SDM660_SLAVE_A2NOC_SNOC);
> -DEFINE_QNODE(mas_crypto, SDM660_MASTER_CRYPTO_C0, 8, 23, -1, true, NOC_QOS_MODE_FIXED, 1, 11, SDM660_SLAVE_A2NOC_SNOC);
> +DEFINE_QNODE(mas_crypto, SDM660_MASTER_CRYPTO_C0, 8, 23, -1, false, NOC_QOS_MODE_FIXED, 1, 11, SDM660_SLAVE_A2NOC_SNOC);
>   DEFINE_QNODE(mas_gnoc_bimc, SDM660_MASTER_GNOC_BIMC, 4, 144, -1, true, NOC_QOS_MODE_FIXED, 0, 0, SDM660_SLAVE_EBI);
>   DEFINE_QNODE(mas_oxili, SDM660_MASTER_OXILI, 4, 6, -1, true, NOC_QOS_MODE_BYPASS, 0, 1, SDM660_SLAVE_HMSS_L3, SDM660_SLAVE_EBI, SDM660_SLAVE_BIMC_SNOC);
>   DEFINE_QNODE(mas_mnoc_bimc, SDM660_MASTER_MNOC_BIMC, 4, 2, -1, true, NOC_QOS_MODE_BYPASS, 0, 2, SDM660_SLAVE_HMSS_L3, SDM660_SLAVE_EBI, SDM660_SLAVE_BIMC_SNOC);
> @@ -596,7 +596,8 @@ static int qcom_icc_set_bimc_qos(struct icc_node *src, u64 max_bw,
>   	if (qn->qos.qos_mode != -1)
>   		mode = qn->qos.qos_mode;
>   
> -	/* QoS Priority: The QoS Health parameters are getting considered
> +	/*
> +	 * QoS Priority: The QoS Health parameters are getting considered

Nit: Unrelated change

>   	 * only if we are NOT in Bypass Mode.
>   	 */
>   	if (mode != NOC_QOS_MODE_BYPASS) {
> @@ -916,6 +917,7 @@ static struct platform_driver sdm660_noc_driver = {
>   	.driver = {
>   		.name = "qnoc-sdm660",
>   		.of_match_table = sdm660_noc_of_match,
> +		.sync_state = icc_sync_state,

Enabling sync_state should be a separate patch.

Thanks,
Georgi

>   	},
>   };
>   module_platform_driver(sdm660_noc_driver);
>