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GET /api/1.0/patches/2175574/?format=api
{ "id": 2175574, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2175574/?format=api", "project": { "id": 38, "url": "http://patchwork.ozlabs.org/api/1.0/projects/38/?format=api", "name": "Linux PWM development", "link_name": "linux-pwm", "list_id": "linux-pwm.vger.kernel.org", "list_email": "linux-pwm@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20251218-clk-send-sync-v3-3-e48b2e2f1eac@google.com>", "date": "2025-12-18T13:27:42", "name": "[v3,3/3] pwm: th1520: remove impl Send/Sync for Th1520PwmDriverData", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "2a4ec3e42f979a843fa93cf0d118f06321076786", "submitter": { "id": 89273, "url": "http://patchwork.ozlabs.org/api/1.0/people/89273/?format=api", "name": "Alice Ryhl", "email": "aliceryhl@google.com" }, "delegate": { "id": 161009, "url": "http://patchwork.ozlabs.org/api/1.0/users/161009/?format=api", "username": "mwilczynski", "first_name": "Michał", "last_name": "Wilczyński", "email": "michalw628@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pwm/patch/20251218-clk-send-sync-v3-3-e48b2e2f1eac@google.com/mbox/", "series": [ { "id": 485853, "url": "http://patchwork.ozlabs.org/api/1.0/series/485853/?format=api", "date": "2025-12-18T13:27:39", "name": "Implement Send and Sync for clk", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/485853/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2175574/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-pwm+bounces-7812-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pwm@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=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20230601 header.b=TV8A1nRc;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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charset=\"utf-8\"" }, "content": "Now that clk implements Send and Sync, we no longer need to manually\nimplement these traits for Th1520PwmDriverData. Thus remove the\nimplementations.\n\nSigned-off-by: Alice Ryhl <aliceryhl@google.com>\n---\n drivers/pwm/pwm_th1520.rs | 15 ---------------\n 1 file changed, 15 deletions(-)", "diff": "diff --git a/drivers/pwm/pwm_th1520.rs b/drivers/pwm/pwm_th1520.rs\nindex e3b7e77356fc2492077c519073e861beb3e44df9..043dc4dbc6232020195c7b73fad302bbb69652df 100644\n--- a/drivers/pwm/pwm_th1520.rs\n+++ b/drivers/pwm/pwm_th1520.rs\n@@ -97,21 +97,6 @@ struct Th1520PwmDriverData {\n clk: Clk,\n }\n \n-// This `unsafe` implementation is a temporary necessity because the underlying `kernel::clk::Clk`\n-// type does not yet expose `Send` and `Sync` implementations. This block should be removed\n-// as soon as the clock abstraction provides these guarantees directly.\n-// TODO: Remove those unsafe impl's when Clk will support them itself.\n-\n-// SAFETY: The `devres` framework requires the driver's private data to be `Send` and `Sync`.\n-// We can guarantee this because the PWM core synchronizes all callbacks, preventing concurrent\n-// access to the contained `iomem` and `clk` resources.\n-unsafe impl Send for Th1520PwmDriverData {}\n-\n-// SAFETY: The same reasoning applies as for `Send`. The PWM core's synchronization\n-// guarantees that it is safe for multiple threads to have shared access (`&self`)\n-// to the driver data during callbacks.\n-unsafe impl Sync for Th1520PwmDriverData {}\n-\n impl pwm::PwmOps for Th1520PwmDriverData {\n type WfHw = Th1520WfHw;\n \n", "prefixes": [ "v3", "3/3" ] }