{"id":2224685,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2224685/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260417175955.375275-3-ynorov@nvidia.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/1.2/projects/42/?format=json","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":"<20260417175955.375275-3-ynorov@nvidia.com>","list_archive_url":null,"date":"2026-04-17T17:59:54","name":"[v2,2/2] gpio: xilinx: drop bitmap_complement() where feasible","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"68c8b3d26072eb7079e2864d4a1237652c7937ef","submitter":{"id":92516,"url":"http://patchwork.ozlabs.org/api/1.2/people/92516/?format=json","name":"Yury Norov","email":"ynorov@nvidia.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260417175955.375275-3-ynorov@nvidia.com/mbox/","series":[{"id":500384,"url":"http://patchwork.ozlabs.org/api/1.2/series/500384/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=500384","date":"2026-04-17T17:59:53","name":"gpio: drop bitmap_complement() where feasible","version":2,"mbox":"http://patchwork.ozlabs.org/series/500384/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224685/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224685/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@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 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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=eKnuqK5gxXv4kVl8+1xi85Th1iksv24OjLJBXHj7S2s=;\n b=XGt88K/ek9/ZeXgLY78bpyqNSap51Udeu7gwoDL5moYUW7hP609t0JFRYLcmhVbw5590KmtAA1DuXn9ApdIeEx6UENuaQCoxwYcm3Sld/8IxyKcF7VixIKDkeCWGUvAWP3DVVe86mJUfUs2vBzUfhxDremirm5p4xw71iOWFyweQ/XP1iAraDM8gAaqHBMl1SFfNlpAnOjAE8IA+xDdtRtxhsxd9nyAAG8M/oY44HqBE4GA8RBQHLDHgFXt8XE/J05JnoSXdOKnXM84T846bplPXx6yWhGTVfmSwZ/lgf7KXuPWQGeTGJ/hH+bglc1HxoGWZgMXOsd1gXAGPB4eAFw==","From":"Yury Norov ","To":"Linus Walleij ,\n\tAndy Shevchenko ,\n\tBartosz Golaszewski ,\n\tShubhrajyoti Datta ,\n\tSrinivas Neeli ,\n\tMichal Simek ,\n\tYury Norov ,\n\tlinux-gpio@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org","Cc":"Yury Norov ","Subject":"[PATCH v2 2/2] gpio: xilinx: drop bitmap_complement() where feasible","Date":"Fri, 17 Apr 2026 13:59:54 -0400","Message-ID":"<20260417175955.375275-3-ynorov@nvidia.com>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260417175955.375275-1-ynorov@nvidia.com>","References":"<20260417175955.375275-1-ynorov@nvidia.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"BN0PR04CA0003.namprd04.prod.outlook.com\n (2603:10b6:408:ee::8) To CY8PR12MB8300.namprd12.prod.outlook.com\n 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","X-OriginatorOrg":"Nvidia.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n fc4d9610-e520-4cbb-149d-08de9cab2622","X-MS-Exchange-CrossTenant-AuthSource":"CY8PR12MB8300.namprd12.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"17 Apr 2026 18:00:02.7501\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 zyrlVo8/6vBbbOfMJ4cUJU24AKsTbVY3RAvsa6AGshB6HvBNtGql3h9ZRZaMxtYvlPtBUm9FOsblfodqNOvs/w==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"MN0PR12MB5737"},"content":"The drivers reproduces 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\nReviewed-by: Andy Shevchenko \nSigned-off-by: Yury Norov \n---\n drivers/gpio/gpio-xilinx.c | 6 ++----\n 1 file changed, 2 insertions(+), 4 deletions(-)","diff":"diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c\nindex be4b4d730547..532205175827 100644\n--- a/drivers/gpio/gpio-xilinx.c\n+++ b/drivers/gpio/gpio-xilinx.c\n@@ -495,13 +495,11 @@ static void xgpio_irqhandler(struct irq_desc *desc)\n \n \txgpio_read_ch_all(chip, XGPIO_DATA_OFFSET, hw);\n \n-\tbitmap_complement(rising, chip->last_irq_read, 64);\n-\tbitmap_and(rising, rising, hw, 64);\n+\tbitmap_andnot(rising, hw, chip->last_irq_read, 64);\n \tbitmap_and(rising, rising, chip->enable, 64);\n \tbitmap_and(rising, rising, chip->rising_edge, 64);\n \n-\tbitmap_complement(falling, hw, 64);\n-\tbitmap_and(falling, falling, chip->last_irq_read, 64);\n+\tbitmap_andnot(falling, chip->last_irq_read, hw, 64);\n \tbitmap_and(falling, falling, chip->enable, 64);\n \tbitmap_and(falling, falling, chip->falling_edge, 64);\n \n","prefixes":["v2","2/2"]}