Message ID | 20230321123836.6906-3-harini.katakam@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 21 Mar 2023 07:38:46 -0500 From: Harini Katakam <harini.katakam@amd.com> To: <robh+dt@kernel.org>, <andrew@lunn.ch>, <hkallweit1@gmail.com>, <linux@armlinux.org.uk>, <davem@davemloft.net>, <kuba@kernel.org>, <steen.hegelund@microchip.com>, <bjarni.jonasson@microchip.com>, <ioana.ciornei@nxp.com>, <likaige@loongson.cn>, <harini.katakam@xilinx.com> CC: <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <harinikatakamlinux@gmail.com>, <michal.simek@xilinx.com>, <radhey.shyam.pandey@xilinx.com> Subject: [PATCH net-next v2 2/2] net: macb: Optimize reading HW timestamp Date: Tue, 21 Mar 2023 18:08:36 +0530 Message-ID: <20230321123836.6906-3-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230321123836.6906-1-harini.katakam@amd.com> References: <20230321123836.6906-1-harini.katakam@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000C97D:EE_|CH3PR12MB8403:EE_ X-MS-Office365-Filtering-Correlation-Id: 0aa76614-85d6-4507-6f8f-08db2a0939c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
Macb PTP minor updates
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expand
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diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c index e6cb20aaa76a..f9db4501b995 100644 --- a/drivers/net/ethernet/cadence/macb_ptp.c +++ b/drivers/net/ethernet/cadence/macb_ptp.c @@ -258,6 +258,8 @@ static int gem_hw_timestamp(struct macb *bp, u32 dma_desc_ts_1, */ gem_tsu_get_time(&bp->ptp_clock_info, &tsu, NULL); + ts->tv_sec |= ((~GEM_DMA_SEC_MASK) & tsu.tv_sec); + /* If the top bit is set in the timestamp, * but not in 1588 timer, it has rolled over, * so subtract max size @@ -266,8 +268,6 @@ static int gem_hw_timestamp(struct macb *bp, u32 dma_desc_ts_1, !(tsu.tv_sec & (GEM_DMA_SEC_TOP >> 1))) ts->tv_sec -= GEM_DMA_SEC_TOP; - ts->tv_sec += ((~GEM_DMA_SEC_MASK) & tsu.tv_sec); - return 0; }