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Thu, 30 Mar 2023 00:08:22 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB07.amd.com (10.181.41.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 29 Mar 2023 22:08:17 -0700 Received: from xhdharinik40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Thu, 30 Mar 2023 00:08:14 -0500 From: Harini Katakam To: , , , , , , , CC: , , , , Subject: [PATCH net-next v4 1/3] net: macb: Update gem PTP support check Date: Thu, 30 Mar 2023 10:38:07 +0530 Message-ID: <20230330050809.19180-2-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230330050809.19180-1-harini.katakam@amd.com> References: <20230330050809.19180-1-harini.katakam@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT116:EE_|BY5PR12MB4164:EE_ X-MS-Office365-Filtering-Correlation-Id: bb28aa0f-f635-468f-9066-08db30dccbb8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Mar 2023 05:08:27.1397 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bb28aa0f-f635-468f-9066-08db30dccbb8 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: BN8NAM11FT116.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4164 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761768134988068483?= X-GMAIL-MSGID: =?utf-8?q?1761768134988068483?= There are currently two checks for PTP functionality - one on GEM capability and another on the kernel config option. Combine them into a single function as there's no use case where gem_has_ptp is TRUE and MACB_USE_HWSTAMP is false. Signed-off-by: Harini Katakam --- v4: Fixed error introduced in 1/3 in v3: Reported-by: kernel test robot Link: https://lore.kernel.org/oe-kbuild-all/202303280600.LarprmhI-lkp@intel.com/ v3: New patch drivers/net/ethernet/cadence/macb.h | 2 +- drivers/net/ethernet/cadence/macb_main.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index c1fc91c97cee..b6c5ecbd572c 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -1363,7 +1363,7 @@ static inline bool macb_is_gem(struct macb *bp) static inline bool gem_has_ptp(struct macb *bp) { - return !!(bp->caps & MACB_CAPS_GEM_HAS_PTP); + return (IS_ENABLED(CONFIG_MACB_USE_HWSTAMP) && (!!(bp->caps & MACB_CAPS_GEM_HAS_PTP))); } /** diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index f77bd1223c8f..eab2d41fa571 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -3889,17 +3889,17 @@ static void macb_configure_caps(struct macb *bp, dcfg = gem_readl(bp, DCFG2); if ((dcfg & (GEM_BIT(RX_PKT_BUFF) | GEM_BIT(TX_PKT_BUFF))) == 0) bp->caps |= MACB_CAPS_FIFO_MODE; -#ifdef CONFIG_MACB_USE_HWSTAMP if (gem_has_ptp(bp)) { if (!GEM_BFEXT(TSU, gem_readl(bp, DCFG5))) dev_err(&bp->pdev->dev, "GEM doesn't support hardware ptp.\n"); else { +#ifdef CONFIG_MACB_USE_HWSTAMP bp->hw_dma_cap |= HW_DMA_CAP_PTP; bp->ptp_info = &gem_ptp_info; +#endif } } -#endif } dev_dbg(&bp->pdev->dev, "Cadence caps 0x%08x\n", bp->caps);