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{ "id": 2224684, "url": "http://patchwork.ozlabs.org/api/1.2/covers/2224684/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/cover/20260417175955.375275-1-ynorov@nvidia.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.2/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260417175955.375275-1-ynorov@nvidia.com>", "list_archive_url": null, "date": "2026-04-17T17:59:52", "name": "[v2,0/2] gpio: drop bitmap_complement() where feasible", "submitter": { "id": 92516, "url": "http://patchwork.ozlabs.org/api/1.2/people/92516/?format=api", "name": "Yury Norov", "email": "ynorov@nvidia.com" }, "mbox": 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header.d=nvidia.com; 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=QLjCW5U8n35GeT+Xyq4K77tEnnrF+/ceRxnMD0mE40g=;\n b=oTHyRhF8u/c3FP5PYA9UgGrT7hjQZRabq16BVUkTf4Kv+xI77cNF23kTPFYLskoNf9TGBeucUPyhbMwHShEsC6yxPzejteZ+WnxTIX7o40Qc73qxE4qtEaIz2McbuJ9TvG67pWNaqB7b1np+ZZlplWY1SJcat4aSzTLn6HIy+yc9S0bSEEA0a+PgyFoOoh4Dj6Tm4P4ixs+eH/rLJhjupaUO9UcF5b2sHj37nQ+dxwLgaa86supbam2n2sCcd4WVtPK1PTt4SOagUDyO/vOiYcah1iozB6nUaCsJe5WQSu+p167LtCXPJcz17zx9ZWeUamubTTlmjqGjRV0uKcsNCQ==", "From": "Yury Norov <ynorov@nvidia.com>", "To": "Linus Walleij <linusw@kernel.org>,\n\tAndy Shevchenko <andriy.shevchenko@linux.intel.com>,\n\tBartosz Golaszewski <brgl@kernel.org>,\n\tShubhrajyoti Datta <shubhrajyoti.datta@amd.com>,\n\tSrinivas Neeli <srinivas.neeli@amd.com>,\n\tMichal Simek <michal.simek@amd.com>,\n\tYury Norov <yury.norov@gmail.com>,\n\tlinux-gpio@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org", "Cc": "Yury Norov <ynorov@nvidia.com>", "Subject": "[PATCH v2 0/2] gpio: drop bitmap_complement() where feasible", "Date": "Fri, 17 Apr 2026 13:59:52 -0400", "Message-ID": "<20260417175955.375275-1-ynorov@nvidia.com>", "X-Mailer": "git-send-email 2.51.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "BN0PR03CA0035.namprd03.prod.outlook.com\n (2603:10b6:408:e7::10) To CY8PR12MB8300.namprd12.prod.outlook.com\n (2603:10b6:930:7d::16)", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CY8PR12MB8300:EE_|IA0PPF0A63E7557:EE_", 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", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 983740ef-34b4-4048-b91b-08de9cab23a8", "X-MS-Exchange-CrossTenant-AuthSource": "CY8PR12MB8300.namprd12.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Apr 2026 17:59:58.5804\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 aPc1w0JtTbbxRPPCInLZfTPSszOwEFC/scfMhWyJpTEDgssg6OWgwyfUIR3JkRVabDip/B/gssDkbafIxJCNLA==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "IA0PPF0A63E7557" }, "content": "The gpio drivers reproduce the following pattern:\n\n\tbitmap_complement(tmp, data1, nbits);\n\tbitmap_and(dst, data2, tmp, nbits);\n\nThis can be done in a single pass:\n\n\tbitmap_andnot(dst, data2, data1, nbits);\n\nv1: https://lore.kernel.org/all/20260417033439.318930-1-ynorov@nvidia.com/\nv2: \n - cleanup typos (Michal);\n - split per individual drivers (Andy).\n\nYury Norov (2):\n gpio: pca953x: drop bitmap_complement() where feasible\n gpio: xilinx: drop bitmap_complement() where feasible\n\n drivers/gpio/gpio-pca953x.c | 7 ++-----\n drivers/gpio/gpio-xilinx.c | 6 ++----\n 2 files changed, 4 insertions(+), 9 deletions(-)" }