From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) (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 B17F2429CF5 for ; Tue, 14 Jul 2026 23:38:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784072340; cv=none; b=Xgxgld0MkYhqiiuD1slWge4caC78bF4Vn9ucKpGh4VCtczpCOknWYsbt0mGInsmJYwnKAibQNl7qhFCAjVJaI4MMZqPy67mmuVvdcDPj1yCYPslloPsAgj7skp9101W35aeUY+OdF7gdbURUrOdzgsDH+CjEuCvUqglrHQY/28E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784072340; c=relaxed/simple; bh=v6WAPbAYE+d2s2MzHulI+UqwgZ+bGYugTfrrPIE0bXc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SydRY6EIsQ0sO65zRPnRoi7V/2S89FQAsIyd2Y84aFzu9mgu2RhyGYthXp1a9FKH/oyJ4dTiIQwozl2OGycvuf8NS5+16NO08HRpt7I/OAzq3hIdGxDJfuX/H94jXCEQk+K1hRzlvqsz99sHs6uTH3wleWgznNvQaJGCaLwbpiE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=jr7Q75uL; arc=none smtp.client-ip=209.85.216.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jr7Q75uL" Received: by mail-pj1-f50.google.com with SMTP id 98e67ed59e1d1-38de840f2f0so1661612a91.0 for ; Tue, 14 Jul 2026 16:38:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784072338; x=1784677138; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=p9+t8xvcugZNtYVCV6tCJrKVM7SCPfJPg/Q/lRbMPO8=; b=jr7Q75uLjH35maippZy/ulxBjDJvWeqe8Bl1kXbqO9j6mLb693/KfWOKfVC9YMlbvB dlkjss0f71rFpo1g7qVjZmJh2PCI2qDVQClE035WBgw66A/Yiu+7dIKAfPzEGhMiTiOL U/npFKgNUUOxtJIs3xQZOsnYuLJJ6+K/rRb8vxesorEXGc30t1aZdXWJHtpbDDucM27e o2YSf/o0nM1Ab7LOs+MbiskzqjITRDHivGzy4mk6tcaGQCaPMeOHf+4y9o8Ko/cZtFBn D6ose8nsmYG0cVxjpInzyg+nix61M/WBwsrETOujOH4l1OgkXljTyCYszJQu7Ddjz0n/ 4rBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784072338; x=1784677138; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=p9+t8xvcugZNtYVCV6tCJrKVM7SCPfJPg/Q/lRbMPO8=; b=EfGM98uaQI+bsiwR4usXR5jwChanbaM9hD8AOQuldfUtTXS0yGd5KsbyBRExuLG3om g6D9oGgNa6RJg8xiqaLjr5gfz0C+x3z2ooTK/epOkP4ee/Zjiefd5BgHihwxpU/W+rsO ZoeK57JfWwPtHopbJDWKOnzRxEq3tD270jRwxbSvWDZt12UqSfw+PFkcZKeOxRQz172y KSE8kyTinajwdCIfXUsDE9PlHd15qKzXUHX1XqP8V68eG5SOfQooo3wignPNvmetrhtb fFXfSi95RQ15phJbSVFPSCJkiViovAQyfhjWSmPhkwVFRh0HY8PWv6s4IgsnNmLvar6+ F/Jw== X-Gm-Message-State: AOJu0YyIVA7ZE/dNnHzyCyxVmnO2DGv4Z6ZVD+Y+3G/3Jzy979gtktuT 4FL/WNpHfjXE30+xSCuFti/rk9OHvawh8nEpwWPzSYhq50nZ6jGjrnvt/ESO3Q== X-Gm-Gg: AfdE7ck8IagI1ju5y1nLymy/rpeOc5sFkZhmsK3PtNZ0mkRmChNwQ4kSNo5+lBalVk0 v1iowZoYnffognrfy6pT+lyj3PEXy8SifReZlvYbOWJBT3wcGhK6jPCnNUtwYypJQDbO75neD0A +cQ1LBUA4DreQppMbeS2qwTzW1rz8COoCZSVSVse7D5H80q/LrIFZyZOMTq0Ajpf+NmnRalc9W4 AOaeBNwpX56QCGAr/TfqWkcG+/0ER+eQcpxqW/zzd10q7gATT0jNKoOw/Cb9MCBrxwgAaO1SsVq sOMd+N8EA3fZCzBpm7g22L0r1Ml2A4LEbGrOtKbxdc6nX7CtpKrtvQxYGCKn4Td2FK56zxCjE5I f3cgGRK4LRKTMBAr3CQowXYQry9mLD/el3fY3OuCYzD+Mk9SilFQiMtjn2IPaOoCD6Ume4bY1t6 AUuyUjkuZVG3tEODDGmTzodDqUSo1FEugAwdWckeSM6gzojnI1pbTgJWLiu1Yn1MVE50o0XcYvl knpzybsuw//1j5R+HRUOhrkqLGa2UHR+qa5wEA8t8JXLYDjp9eYsNZ8EomGo/UTpO34vWGznQ+m X-Received: by 2002:a17:90b:4c08:b0:37f:9cdf:f03d with SMTP id 98e67ed59e1d1-38dc7b96c48mr13154742a91.32.1784072337915; Tue, 14 Jul 2026 16:38:57 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e34]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3118389d9bcsm72317509eec.20.2026.07.14.16.38.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 16:38:57 -0700 (PDT) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Vinod Koul , Frank Li , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 0/3] dma: fsl_raid: fix sparse warnings and simplify probing Date: Tue, 14 Jul 2026 16:38:52 -0700 Message-ID: <20260714233855.870797-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series cleans up the fsl_raid driver to address issues reported by sparse and to simplify its MMIO handling. Patch 1 fixes the endianness of in-memory descriptor stores. The descriptor structs are handed to the device as big-endian, but the driver stored CPU-endian values directly, which is both incorrect and flagged by sparse as a base-type mismatch. The stores are wrapped in cpu_to_be32() and the final-frame bit is now passed as an argument rather than read-modify-written. Patch 2 keeps the MMIO bases (re_regs and jrregs) as void __iomem * instead of typed register struct pointers, eliminating "different address spaces" sparse warnings on every register access. Each accessor derives a local __iomem-qualified typed pointer. Patch 3 replaces the open-coded platform_get_resource() + devm_ioremap() sequence with devm_platform_ioremap_resource(). Rosen Penev (3): dma: fsl_raid: fix endianness of in-memory descriptor stores dma: fsl_raid: keep MMIO bases as void __iomem and cast at access dma: fsl_raid: use devm_platform_ioremap_resource drivers/dma/fsl_raid.c | 109 ++++++++++++++++++++--------------------- drivers/dma/fsl_raid.h | 4 +- 2 files changed, 54 insertions(+), 59 deletions(-) -- 2.55.0