From patchwork Tue Jun 10 14:38:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 896389 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A920E234971 for ; Tue, 10 Jun 2025 14:38:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749566326; cv=none; b=pgdiE30e2QUc++NXrD+zYXjAAf9jwq8IwdmLSJasIXsGaEk+oYREVZ8BHGCYlOI344UOPsCOyCtJbRRvrz2KDqEecib2wQNNH3QvcmRWZpTm6SuVGRueVcldHPls5hdMGQkE2BvPHx1GeF2H+RUtuyYWjJsjJ9/aGlrDdDAe7Is= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749566326; c=relaxed/simple; bh=n/8Q3QJmovEcO99W9nilHTg0Ks126Kz/UiSEWmyIYZg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZWwmxvzxJ1PQ6mCqNLiNONFZX3olV8gTsiWlINqw4PPdNkIVO7XnNICDq/y/5F+7n9OQTztIFsrvm94x5BDSSRPiOFyvKHI0hxhh6UuW2x9qpCNxV3Adn7uh+32NF03LTneK63n4hfpidnA5kvs3KTU1SctgI7twLk1Wvik5CEM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl; spf=none smtp.mailfrom=bgdev.pl; dkim=pass (2048-bit key) header.d=bgdev-pl.20230601.gappssmtp.com header.i=@bgdev-pl.20230601.gappssmtp.com header.b=Ekiq1JCv; arc=none smtp.client-ip=209.85.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bgdev.pl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20230601.gappssmtp.com header.i=@bgdev-pl.20230601.gappssmtp.com header.b="Ekiq1JCv" Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-451e2f0d9c2so43431095e9.1 for ; Tue, 10 Jun 2025 07:38:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1749566323; x=1750171123; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=cLj7DWR3g91ZC5MBjrvyVrHQMhHkaM2qnHIpKV16L3g=; b=Ekiq1JCvHvswu8hozMOOM//VX0g5EPJfeODi2ICyIXpdkxeyPDphdJAdFSVsfly/Gy KvZSPgSmoPOuYlwRB+8BFcWPkXpAEN+VhRiC+ydU/INWOhMG3OH5sqaBju2EvX3bilnD eFJeQbyd/x5J4eGMaCIH9uzk3PMTPftGDOz6VUCy6vyAUqhxQYIagFWif7Ps2ohh2nDV /hFM11+FocBju2hzPiRIWHazGjh6TYIUSRI13pGQOGvyuzNkN2rH1A+0rEEkUAGXfBYw nox7aSpwF/nRh4uwhgrJi7gntYs3SzIWejeIhJdrLhCt+wC8dfmuvstRXHf8c2QNBVo6 lfMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749566323; x=1750171123; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cLj7DWR3g91ZC5MBjrvyVrHQMhHkaM2qnHIpKV16L3g=; b=Ir9xR4wVUKvFzi3TLzdZV4JKJSvc4c7ufYKdRmR82dRXX7p7pW+IvuSYXQH0y84x4W eJFjSWh20vClTtZjA/gto8l2lYAzDmz7SoXz9VbGeNaVMqjR0ub0UeG0qClUdv9p11wX 5yEA1VycZUltck4/hDNGsz3ou8wvcVKLyv/0rqEXL+jm3ZH6yT+ky0jE/xc0CBQfHgrZ A+K3BmHqgIs9d3GW7TOwdK/o/GMMK0Z7rj6glGVjXW3QG1Rk3e8ImBBFza2jsmApUmOh l3fPYgx7iZYITpOR0PIKireM8GmT95ClduMsKXhfnPB04HmyQvO7JKC5fML1ehbR8cmG H2Dg== X-Gm-Message-State: AOJu0Yy3ce9gsRMLvzy4CbrLziAITOW46hRSp59jr+xC0TM38RmzjiYZ wogBjG7sMDPEJ0afOT0LcdXf93ek/In8ivfEHk2z0QM6ESYDiQ6MX6oY132+A8UdCr8= X-Gm-Gg: ASbGncvZN0u6aSwzGHfPECPnrEWiRMKQqHA7EatD0j+NWp95QfUBdYcWogGk46CBZRp LNdW638wbHngJIzfF6Zq5jv2KFeK/eG3BHaMetyD398ftxZPnboikvIcXUzRdsyrWvDGky/5cUN w57D90dV0QkWAhqL8bVGuNACE9oN9bQB2/OOIGmC6I0O+WQqYsOEpFWSmTMu7DO7V67A1I8p2JJ +9Weg2UmrzUyshrt6tblAbZa4/XEgW5xQt5TrqJUYC3bFspxJsYEyBUcQ3qDs8QNXbBBAXzrYT8 RUJxJ1QLyThcCoB52Rm0P9wFnRGiTQZ7YN2/5kjlYuXQiBjlrYKw X-Google-Smtp-Source: AGHT+IEywg6w59g2mx8KQEA5DxZqFCbrLHoGShus610IZqWOu2oBuwgUJ83xT3nNW0Y+lQlOhQKrdQ== X-Received: by 2002:a05:600c:6388:b0:43b:c857:e9d7 with SMTP id 5b1f17b1804b1-4531d6fdab8mr32062795e9.5.1749566323035; Tue, 10 Jun 2025 07:38:43 -0700 (PDT) Received: from [127.0.1.1] ([2a01:cb1d:dc:7e00:4d:e52b:812d:eb7c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4526e056138sm146001345e9.5.2025.06.10.07.38.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 07:38:42 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 10 Jun 2025 16:38:30 +0200 Subject: [PATCH RFC/RFT 15/15] gpio: TODO: remove the task for the sysfs rework Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250610-gpio-sysfs-chip-export-v1-15-a8c7aa4478b1@linaro.org> References: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> In-Reply-To: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> To: Ahmad Fatoum , Kent Gibson , =?utf-8?q?Jan_L=C3=BCbbe?= , Marek Vasut , Geert Uytterhoeven , Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1371; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=FrDvVu23TJm5ghXSfiA8hCOI1OUNHhCK1w5KAsAVwJY=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoSENi73tPISvj0xD+HMTPCvZKJvIUOegaNu5uO y3wtnEYSI+JAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaEhDYgAKCRARpy6gFHHX cvdTD/41qLITo5HP3W1/ezMXOITtIMegRdx3dV4RXRA0XYNgVnGdtIv+GtlOwW8GgkylTyZnOP5 Wfsrj/Up9MFtr7QGsC5a27m0Htw7fkUn/UVqRr7MeoQ8DvvfAk32r76O8EK8mjvPRTTUFVReoi3 uAf60JE6IClr1FoTU36dCKeB5xl49K1D0D+HsMd9uIrrqxlgSC15xIp0y56R8f4l1AnTR3WIedz YZL+mTTw2XSxnoUjO6wb2cwYRMKWurtH8qp3lS0fQEPKw3xT6OsfqfzOQLuDrvXX8LnJhQU4VT7 PIS05fVZHGPBQVv5wug/7MbgFAm58VZv6uYBK37niJVecMiKPda75xXiASpcQuxvhgB+QoqKUKz A7W3Lp0hqOJduExEimuvWx5A8A5DdhJXo5DrzKwUl1yCxYno1XOGe5G1VCoz4tl/85yUznOngXV A0dMBBp4KKarcZvL79wRTHRPYHEBnZOXmJ43W8+qdDT7mPPVDyDz3DQu3Nl36JXSyT7W7qoP1XI 4oWV9IpKkGBDrM3kDz4wIuTQ3pnN6NCOSAsTR+lY2bFJJYGMXwtTwBxODx4AEpGx160o1Tvb35O QrbS9vKZg9HXhdd8zpigNSaxAfBJWw53Koph20N01/y857F1eQEnkFPHXR8ife46VIAfPyoQAzI k+HcSd9LFpI0Whw== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Remove the completed task tracking the rework of the sysfs interface. Signed-off-by: Bartosz Golaszewski --- drivers/gpio/TODO | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO index 4a8b349f2483a91883c74b07a43efb1462dbd377..97024925f14ab92b311741b0b7944acbddcf5c4b 100644 --- a/drivers/gpio/TODO +++ b/drivers/gpio/TODO @@ -183,19 +183,6 @@ remove the old ones and finally rename the new ones back to the old names. ------------------------------------------------------------------------------- -Extend the sysfs ABI to allow exporting lines by their HW offsets - -The need to support the sysfs GPIO class is one of the main obstacles to -removing the global GPIO numberspace from the kernel. In order to wean users -off using global numbers from user-space, extend the existing interface with -new per-gpiochip export/unexport attributes that allow to refer to GPIOs using -their hardware offsets within the chip. - -Encourage users to switch to using them and eventually remove the existing -global export/unexport attribues. - -------------------------------------------------------------------------------- - Remove GPIOD_FLAGS_BIT_NONEXCLUSIVE GPIOs in the linux kernel are meant to be an exclusive resource. This means