From patchwork Thu Oct 10 16:27:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 13830529 X-Patchwork-Delegate: robh@kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C1E01CDFD3; Thu, 10 Oct 2024 16:28:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728577681; cv=none; b=jmegN9xYubkxsi4Ip+np0/4yO0B8HyMcoPdtOTiEwu3Rv5QwZpZcb5c0ar+RAQCGhGHAyqSREVbcizf2FZvdArN2eALcf7BEszypdEkHXML/LDjht5PYK6dRWWQFIhJ6X4xqu5zyQy0Qb/ZZBq8XY87rAWd/e1JsVI9KXOYhPgQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728577681; c=relaxed/simple; bh=ghSAtZiukwCoDW22DY23XZzRIv3trZU3J6sfrQTkYAw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IXYNEYPHWtRMsJ9DhjDgSP/1Ro5sn+4BwZQLkuT+3ivWohhMBKVPUAGv5G+o8lOmryNxg8hyopps/VjAtfXL74l7YlKH9U0JOvZjvJjuMB/6gfR75MR9Y559GkHTB9V7mAyupyGem+OmMExuF7Bq65cIiBY+nSSMk8TYB+IT748= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aKk6SwPR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aKk6SwPR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7CB57C4CECF; Thu, 10 Oct 2024 16:28:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728577680; bh=ghSAtZiukwCoDW22DY23XZzRIv3trZU3J6sfrQTkYAw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=aKk6SwPRlCpsYMqIEEdqpoTWC3WrsMAryC6/oh1rz9OW2D+ptRgofSLdJ8B+dxrrU 64/GBWCAWija0SmAURseI/wFWeb+TeRThhe+D1XziSTS6PPaYkyotIipPW+eH+c9VO bbCMOw9mOCkPL/X192TcHchtwRF5JxBge2naWv9+f8pc6LC/HnAUdcYJmIz6XA8cQd AeVaAjEQqeESE4elfxa4iz6c+8J4CUOSt8LIjg2aiTaK09yHrrsbOpsgvvX+GsSUP6 digBILv2QSva7SwYE6VHJdfQMRmQTojPfTO5VBwlK52nDk9cCp9chvNAIyo6LggQQB JJfTPXvWdd48w== From: "Rob Herring (Arm)" Date: Thu, 10 Oct 2024 11:27:15 -0500 Subject: [PATCH 2/7] logic_pio: Constify fwnode_handle Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241010-dt-const-v1-2-87a51f558425@kernel.org> References: <20241010-dt-const-v1-0-87a51f558425@kernel.org> In-Reply-To: <20241010-dt-const-v1-0-87a51f558425@kernel.org> To: Bjorn Helgaas , Andrew Morton , Saravana Kannan Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.15-dev The fwnode_handle passed into find_io_range_by_fwnode() and logic_pio_trans_hwaddr() are not modified, so make them const. Signed-off-by: Rob Herring (Arm) --- Please ack and I'll take with the rest of the series. --- include/linux/logic_pio.h | 6 +++--- lib/logic_pio.c | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/logic_pio.h b/include/linux/logic_pio.h index babf4e3c28ba..8f1a9408302f 100644 --- a/include/linux/logic_pio.h +++ b/include/linux/logic_pio.h @@ -17,7 +17,7 @@ enum { struct logic_pio_hwaddr { struct list_head list; - struct fwnode_handle *fwnode; + const struct fwnode_handle *fwnode; resource_size_t hw_start; resource_size_t io_start; resource_size_t size; /* range size populated */ @@ -110,8 +110,8 @@ void logic_outsl(unsigned long addr, const void *buffer, unsigned int count); #endif /* CONFIG_INDIRECT_PIO */ #define MMIO_UPPER_LIMIT (IO_SPACE_LIMIT - PIO_INDIRECT_SIZE) -struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode); -unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode, +struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode); +unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode, resource_size_t hw_addr, resource_size_t size); int logic_pio_register_range(struct logic_pio_hwaddr *newrange); void logic_pio_unregister_range(struct logic_pio_hwaddr *range); diff --git a/lib/logic_pio.c b/lib/logic_pio.c index 2ea564a40064..e29496a38d06 100644 --- a/lib/logic_pio.c +++ b/lib/logic_pio.c @@ -122,7 +122,7 @@ void logic_pio_unregister_range(struct logic_pio_hwaddr *range) * * Traverse the io_range_list to find the registered node for @fwnode. */ -struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode) +struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode) { struct logic_pio_hwaddr *range, *found_range = NULL; @@ -186,7 +186,7 @@ resource_size_t logic_pio_to_hwaddr(unsigned long pio) * * Returns Logical PIO value if successful, ~0UL otherwise */ -unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode, +unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode, resource_size_t addr, resource_size_t size) { struct logic_pio_hwaddr *range;