{"id":2229193,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2229193/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260427214127.406067-10-ynorov@nvidia.com/","project":{"id":9,"url":"http://patchwork.ozlabs.org/api/1.1/projects/9/?format=json","name":"Linux RTC development","link_name":"rtc-linux","list_id":"linux-rtc.vger.kernel.org","list_email":"linux-rtc@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260427214127.406067-10-ynorov@nvidia.com>","date":"2026-04-27T21:41:26","name":"[v2,9/9] ptp: switch to using FIELD_GET_SIGNED()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"60af789c3af663813ce68db466213e591369275b","submitter":{"id":92516,"url":"http://patchwork.ozlabs.org/api/1.1/people/92516/?format=json","name":"Yury Norov","email":"ynorov@nvidia.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260427214127.406067-10-ynorov@nvidia.com/mbox/","series":[{"id":501729,"url":"http://patchwork.ozlabs.org/api/1.1/series/501729/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=501729","date":"2026-04-27T21:41:17","name":"bitfield: add FIELD_GET_SIGNED()","version":2,"mbox":"http://patchwork.ozlabs.org/series/501729/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2229193/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2229193/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-rtc@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=bKej7/26;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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arc=none"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=YhEMlCS+gk5qzaIUTW6mjfmr6VnP9Ohc19O2DtAx8YA=;\n b=bKej7/269vED6UQwMi+TlVF/E/abfRK0y67L9qVFv5gTF2WxCVGthg2x0fn2ZH4vX2mnvB+ex3SRoJ1TnaRUIREPo1Xymq5TOpaff7dB2ZDTcnrL2DTi8mg0WH23F1A8869jOUBpXGt0j0Gj6eEky5/uQB3ALUgpZO2LIQNhSDNID8bl6X2FZjG4JSt5r3fvtZmkCbarVod1waQtm5GgMIMXGh2ziFAwNGkYrEIVCztCYRWmohstQloocBdOwJzEzZfBS39j9Zhsa0c0Om8JhxXkmC3hXT5o4I+ApuqQV7NldKfZk3Y1BAEQdPLwvVV2zGc4akZA9x9T0RhtLLoqbQ==","From":"Yury Norov ","To":"Thomas Gleixner , Ingo Molnar ,\n Borislav Petkov , Dave Hansen ,\n \"H. Peter Anvin\" , Andy Lutomirski ,\n Peter Zijlstra , Jonathan Cameron ,\n David Lechner ,\n Johannes Berg ,\n David Laight ,\n =?utf-8?q?Nuno_S=C3=A1?= ,\n Andy Shevchenko , Ping-Ke Shih ,\n Richard Cochran ,\n Andrew Lunn , \"David S. Miller\" ,\n Eric Dumazet , Jakub Kicinski ,\n Paolo Abeni ,\n Alexandre Belloni ,\n Yury Norov ,\n Rasmus Villemoes ,\n Hans de Goede , Linus Walleij ,\n Sakari Ailus ,\n Salah Triki , Achim Gratz ,\n Ben Collins , x86@kernel.org,\n linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,\n linux-wireless@vger.kernel.org, netdev@vger.kernel.org,\n linux-rtc@vger.kernel.org","Cc":"Yury Norov ","Subject":"[PATCH v2 9/9] ptp: switch to using FIELD_GET_SIGNED()","Date":"Mon, 27 Apr 2026 17:41:26 -0400","Message-ID":"<20260427214127.406067-10-ynorov@nvidia.com>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260427214127.406067-1-ynorov@nvidia.com>","References":"<20260427214127.406067-1-ynorov@nvidia.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"BN9PR03CA0548.namprd03.prod.outlook.com\n (2603:10b6:408:138::13) To CY8PR12MB8300.namprd12.prod.outlook.com\n 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","X-OriginatorOrg":"Nvidia.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n ced701be-80e4-4701-f10d-08dea4a5d34e","X-MS-Exchange-CrossTenant-AuthSource":"CY8PR12MB8300.namprd12.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"27 Apr 2026 21:42:05.6485\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"43083d15-7273-40c1-b7db-39efd9ccc17a","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n e+kEhbL6Atkk8mN4bWyp0cFWJpzUnGJ5BtVEYInC4Bl65X5/SJ2LqSntEd2mzHG3dbOOi7elMzT1QS9sLrTKDg==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"LV9PR12MB9829"},"content":"Switch from sign_extend32(FIELD_GET()) to the dedicated\nFIELD_GET_SIGNED() and don't calculate the fields length explicitly.\n\nSigned-off-by: Yury Norov \n---\n drivers/ptp/ptp_fc3.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/drivers/ptp/ptp_fc3.c b/drivers/ptp/ptp_fc3.c\nindex 70002500170e..f0e000428a3f 100644\n--- a/drivers/ptp/ptp_fc3.c\n+++ b/drivers/ptp/ptp_fc3.c\n@@ -55,8 +55,8 @@ static s64 tdc_meas2offset(struct idtfc3 *idtfc3, u64 meas_read)\n {\n \ts64 coarse, fine;\n \n-\tfine = sign_extend64(FIELD_GET(FINE_MEAS_MASK, meas_read), 12);\n-\tcoarse = sign_extend64(FIELD_GET(COARSE_MEAS_MASK, meas_read), (39 - 13));\n+\tfine = FIELD_GET_SIGNED(FINE_MEAS_MASK, meas_read);\n+\tcoarse = FIELD_GET_SIGNED(COARSE_MEAS_MASK, meas_read);\n \n \tfine = div64_s64(fine * NSEC_PER_SEC, idtfc3->tdc_apll_freq * 62LL);\n \tcoarse = div64_s64(coarse * NSEC_PER_SEC, idtfc3->time_ref_freq);\n","prefixes":["v2","9/9"]}