linux-kernel - Re: [PATCH v2 1/2] Revert "phy: qcom-qusb2: add QUSB2 support for IPQ5424"

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: <5ccf0252-c16c-44e6-bfac-7f94597c5493@quicinc.com>
Date: Mon, 14 Apr 2025 19:03:34 +0530
From: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>
To: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>,
        "Vinod
 Koul" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        "Dmitry
 Baryshkov" <lumag@...nel.org>,
        Varadarajan Narayanan
	<quic_varada@...cinc.com>
CC: <linux-arm-msm@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] Revert "phy: qcom-qusb2: add QUSB2 support for
 IPQ5424"



On 4/14/2025 5:22 PM, Kathiravan Thirumoorthy wrote:
> With the current settings, complaince tests especially eye diagram
compliance
> (Host High-speed Signal Quality) tests are failing. Design team
Write it as "recommended by Hardware design document/guide" instead of 
design team.
> requested to reuse the IPQ6018 settings to overcome this issue.
> 
> So revert the change which introduced the new settings and reuse the
> IPQ6018 settings in the subsequent patch.
> 
> Fixes: 9c56a1de296e ("phy: qcom-qusb2: add QUSB2 support for IPQ5424")
> Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
> ---
>   drivers/phy/qualcomm/phy-qcom-qusb2.c | 28 ----------------------------
>   1 file changed, 28 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
> index 1f5f7df14d5a2ff041fe15aaeb6ec5ce52ab2a81..81b9e9349c3ebb4d303cb040b5c913336bb6b6d6 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
> @@ -151,21 +151,6 @@ static const struct qusb2_phy_init_tbl ipq6018_init_tbl[] = {
>   	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9F),
>   };
>   
> -static const struct qusb2_phy_init_tbl ipq5424_init_tbl[] = {
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL, 0x14),
> -	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0x00),
> -	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x53),
> -	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc3),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21),
> -	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE5, 0x00),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
> -	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TEST, 0x80),
> -	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
> -};
> -
>   static const struct qusb2_phy_init_tbl qcs615_init_tbl[] = {
>   	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xc8),
>   	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0xb3),
> @@ -359,16 +344,6 @@ static const struct qusb2_phy_cfg ipq6018_phy_cfg = {
>   	.autoresume_en   = BIT(0),
>   };
>   
> -static const struct qusb2_phy_cfg ipq5424_phy_cfg = {
> -	.tbl            = ipq5424_init_tbl,
> -	.tbl_num        = ARRAY_SIZE(ipq5424_init_tbl),
> -	.regs           = ipq6018_regs_layout,
> -
> -	.disable_ctrl   = POWER_DOWN,
> -	.mask_core_ready = PLL_LOCKED,
> -	.autoresume_en   = BIT(0),
> -};
> -
>   static const struct qusb2_phy_cfg qcs615_phy_cfg = {
>   	.tbl            = qcs615_init_tbl,
>   	.tbl_num        = ARRAY_SIZE(qcs615_init_tbl),
> @@ -954,9 +929,6 @@ static const struct phy_ops qusb2_phy_gen_ops = {
>   
>   static const struct of_device_id qusb2_phy_of_match_table[] = {
>   	{
> -		.compatible	= "qcom,ipq5424-qusb2-phy",
> -		.data		= &ipq5424_phy_cfg,
> -	}, {
>   		.compatible	= "qcom,ipq6018-qusb2-phy",
>   		.data		= &ipq6018_phy_cfg,
>   	}, {
>