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Mon, 22 May 2023 07:28:34 -0500 From: Harini Katakam To: , , , , , , , , , CC: , , , , , Subject: [PATCH net-next v4 1/2] phy: mscc: Use PHY_ID_MATCH_VENDOR to minimize PHY ID table Date: Mon, 22 May 2023 17:58:28 +0530 Message-ID: <20230522122829.24945-2-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230522122829.24945-1-harini.katakam@amd.com> References: <20230522122829.24945-1-harini.katakam@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000E639:EE_|PH7PR12MB7819:EE_ X-MS-Office365-Filtering-Correlation-Id: 5125cf15-5dc7-473a-cca1-08db5ac012b9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(346002)(39860400002)(396003)(136003)(376002)(451199021)(36840700001)(46966006)(40470700004)(478600001)(54906003)(110136005)(5660300002)(26005)(41300700001)(6666004)(186003)(316002)(4326008)(44832011)(1076003)(7416002)(336012)(8936002)(8676002)(426003)(2906002)(47076005)(2616005)(36860700001)(83380400001)(70206006)(70586007)(82740400003)(356005)(921005)(81166007)(36756003)(82310400005)(40460700003)(86362001)(40480700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2023 12:28:39.6662 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5125cf15-5dc7-473a-cca1-08db5ac012b9 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0000E639.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7819 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" All the PHY devices variants specified have the same mask and hence can be simplified to one vendor look up for 0x00070400. Any individual config can be identified by PHY_ID_MATCH_EXACT in the respective structure. Signed-off-by: Harini Katakam Reviewed-by: Andrew Lunn --- v4: Added Andrew's tag v3: Correct vendor ID v2: New patch drivers/net/phy/mscc/mscc.h | 1 + drivers/net/phy/mscc/mscc_main.c | 14 +------------- 2 files changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h index a50235fdf7d9..9acee8759105 100644 --- a/drivers/net/phy/mscc/mscc.h +++ b/drivers/net/phy/mscc/mscc.h @@ -290,6 +290,7 @@ enum rgmii_clock_delay { #define PHY_ID_VSC8575 0x000707d0 #define PHY_ID_VSC8582 0x000707b0 #define PHY_ID_VSC8584 0x000707c0 +#define PHY_VENDOR_MSCC 0x00070400 =20 #define MSCC_VDDMAC_1500 1500 #define MSCC_VDDMAC_1800 1800 diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_m= ain.c index 62bf99e45af1..91010524e03d 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -2656,19 +2656,7 @@ static struct phy_driver vsc85xx_driver[] =3D { module_phy_driver(vsc85xx_driver); =20 static struct mdio_device_id __maybe_unused vsc85xx_tbl[] =3D { - { PHY_ID_VSC8504, 0xfffffff0, }, - { PHY_ID_VSC8514, 0xfffffff0, }, - { PHY_ID_VSC8530, 0xfffffff0, }, - { PHY_ID_VSC8531, 0xfffffff0, }, - { PHY_ID_VSC8540, 0xfffffff0, }, - { PHY_ID_VSC8541, 0xfffffff0, }, - { PHY_ID_VSC8552, 0xfffffff0, }, - { PHY_ID_VSC856X, 0xfffffff0, }, - { PHY_ID_VSC8572, 0xfffffff0, }, - { PHY_ID_VSC8574, 0xfffffff0, }, - { PHY_ID_VSC8575, 0xfffffff0, }, - { PHY_ID_VSC8582, 0xfffffff0, }, - { PHY_ID_VSC8584, 0xfffffff0, }, + { PHY_ID_MATCH_VENDOR(PHY_VENDOR_MSCC) }, { } }; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2023 12:28:45.5277 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0577aaf5-bab9-4261-909d-08db5ac0163a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT018.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8PR12MB5480 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support for optional rx/tx-internal-delay-ps from devicetree. - When rx/tx-internal-delay-ps is/are specified, these take priority - When either is absent, 1) use 2ns for respective settings if rgmii-id/rxid/txid is/are present 2) use 0.2ns for respective settings if mode is rgmii Signed-off-by: Harini Katakam Reported-by: kernel test robot --- v4: Fix type of rx_delay and tx_delay Reported by Simon Horman and Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202305140248.lh4LUw2j-lkp@int= el.com/ v3 - Patch split: - Use rx/tx-internal-delay-ps with phy_get_internal_delay - Change RGMII delay selection precedence - Update commit description and subject everywhere to say RGMII delays instead of RGMII tuning. drivers/net/phy/mscc/mscc.h | 2 ++ drivers/net/phy/mscc/mscc_main.c | 35 +++++++++++++++++++++++++------- 2 files changed, 30 insertions(+), 7 deletions(-) diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h index 9acee8759105..900bf37db9de 100644 --- a/drivers/net/phy/mscc/mscc.h +++ b/drivers/net/phy/mscc/mscc.h @@ -374,6 +374,8 @@ struct vsc8531_private { * package. */ unsigned int base_addr; + s32 rx_delay; + s32 tx_delay; =20 #if IS_ENABLED(CONFIG_MACSEC) /* MACsec fields: diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_m= ain.c index 91010524e03d..9e856231e464 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -525,17 +525,14 @@ static int vsc85xx_rgmii_set_skews(struct phy_device = *phydev, u32 rgmii_cntl, { u16 rgmii_rx_delay_pos =3D ffs(rgmii_rx_delay_mask) - 1; u16 rgmii_tx_delay_pos =3D ffs(rgmii_tx_delay_mask) - 1; + struct vsc8531_private *vsc8531 =3D phydev->priv; u16 reg_val =3D 0; int rc; =20 mutex_lock(&phydev->lock); =20 - if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_RXID || - phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) - reg_val |=3D RGMII_CLK_DELAY_2_0_NS << rgmii_rx_delay_pos; - if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_TXID || - phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) - reg_val |=3D RGMII_CLK_DELAY_2_0_NS << rgmii_tx_delay_pos; + reg_val |=3D vsc8531->rx_delay << rgmii_rx_delay_pos; + reg_val |=3D vsc8531->tx_delay << rgmii_tx_delay_pos; =20 rc =3D phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2, rgmii_cntl, @@ -1808,10 +1805,34 @@ static irqreturn_t vsc8584_handle_interrupt(struct = phy_device *phydev) return IRQ_HANDLED; } =20 +static const int vsc8531_internal_delay[] =3D {200, 800, 1100, 1700, 2000,= 2300, + 2600, 3400}; static int vsc85xx_config_init(struct phy_device *phydev) { - int rc, i, phy_id; + int delay_size =3D ARRAY_SIZE(vsc8531_internal_delay); struct vsc8531_private *vsc8531 =3D phydev->priv; + struct device *dev =3D &phydev->mdio.dev; + int rc, i, phy_id; + + vsc8531->rx_delay =3D phy_get_internal_delay(phydev, dev, &vsc8531_intern= al_delay[0], + delay_size, true); + if (vsc8531->rx_delay < 0) { + if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_RXID || + phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) + vsc8531->rx_delay =3D RGMII_CLK_DELAY_2_0_NS; + else + vsc8531->rx_delay =3D RGMII_CLK_DELAY_0_2_NS; + } + + vsc8531->tx_delay =3D phy_get_internal_delay(phydev, dev, &vsc8531_intern= al_delay[0], + delay_size, false); + if (vsc8531->tx_delay < 0) { + if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_TXID || + phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) + vsc8531->rx_delay =3D RGMII_CLK_DELAY_2_0_NS; + else + vsc8531->rx_delay =3D RGMII_CLK_DELAY_0_2_NS; + } =20 rc =3D vsc85xx_default_config(phydev); if (rc) --=20 2.17.1