From patchwork Wed Feb 1 10:15:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13124091 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F148AC677F1 for ; Wed, 1 Feb 2023 10:17:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232238AbjBAKQ7 (ORCPT ); Wed, 1 Feb 2023 05:16:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232216AbjBAKQk (ORCPT ); Wed, 1 Feb 2023 05:16:40 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 434D05975D; Wed, 1 Feb 2023 02:16:38 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4F84CB82168; Wed, 1 Feb 2023 10:16:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2BCEC41621; Wed, 1 Feb 2023 10:16:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675246593; bh=xqUo7ZED6s0hld+Eufv3/S46YusTVwGZTw3TXQmwDU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BVHSaEd/UxXs4KvlEWarLLtspLCIsBTXXu0Lpi++tzqVaYmQpAMwAhXZiHTjuQ+7U fw/jhzG51HAC1Zr9TPDBKkg8ht+UCl7sHiWy7HRkC7UEF8zEJTgiJRV84nq2JWvFFb psHt1LbYV2js8n5glaIBx6oOFbusfy1xyPf3nEd6GLaRMQzU5ipVJBNFkkkRjCbVy1 DcL4Z+Q0ZyojD0eUWpXwPQ+0epn8Urp1qP3hBRisafxyHdRLOZofW8KTEh7tdOhg5b cks8QtHIpIgOktV5rLrFX7PAdkXCCxs1fi0XJXXrdIXloyKnILVdrBGr14FCu7ey9g xfhGSxLi92IJQ== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1pNAAg-00044f-UE; Wed, 01 Feb 2023 11:16:54 +0100 From: Johan Hovold To: Georgi Djakov Cc: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Andy Gross , Bjorn Andersson , Konrad Dybcio , Sylwester Nawrocki , =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , Jonathan Hunter , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 22/23] interconnect: drop unused icc_get() interface Date: Wed, 1 Feb 2023 11:15:58 +0100 Message-Id: <20230201101559.15529-23-johan+linaro@kernel.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230201101559.15529-1-johan+linaro@kernel.org> References: <20230201101559.15529-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The icc_get() interface can be used to lookup an interconnect path based on global node ids. There has never been any users of this interface and all lookups are currently done from the devicetree. Remove the unused icc_get() interface. Signed-off-by: Johan Hovold Reviewed-by: Konrad Dybcio --- drivers/interconnect/core.c | 52 ++---------------------------------- include/linux/interconnect.h | 8 ------ 2 files changed, 2 insertions(+), 58 deletions(-) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index b8917823fd95..8cca5e9a9d5f 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -588,7 +588,7 @@ EXPORT_SYMBOL_GPL(icc_set_tag); /** * icc_get_name() - Get name of the icc path - * @path: reference to the path returned by icc_get() + * @path: interconnect path * * This function is used by an interconnect consumer to get the name of the icc * path. @@ -606,7 +606,7 @@ EXPORT_SYMBOL_GPL(icc_get_name); /** * icc_set_bw() - set bandwidth constraints on an interconnect path - * @path: reference to the path returned by icc_get() + * @path: interconnect path * @avg_bw: average bandwidth in kilobytes per second * @peak_bw: peak bandwidth in kilobytes per second * @@ -705,54 +705,6 @@ int icc_disable(struct icc_path *path) } EXPORT_SYMBOL_GPL(icc_disable); -/** - * icc_get() - return a handle for path between two endpoints - * @dev: the device requesting the path - * @src_id: source device port id - * @dst_id: destination device port id - * - * This function will search for a path between two endpoints and return an - * icc_path handle on success. Use icc_put() to release - * constraints when they are not needed anymore. - * If the interconnect API is disabled, NULL is returned and the consumer - * drivers will still build. Drivers are free to handle this specifically, - * but they don't have to. - * - * Return: icc_path pointer on success, ERR_PTR() on error or NULL if the - * interconnect API is disabled. - */ -struct icc_path *icc_get(struct device *dev, const int src_id, const int dst_id) -{ - struct icc_node *src, *dst; - struct icc_path *path = ERR_PTR(-EPROBE_DEFER); - - mutex_lock(&icc_lock); - - src = node_find(src_id); - if (!src) - goto out; - - dst = node_find(dst_id); - if (!dst) - goto out; - - path = path_find(dev, src, dst); - if (IS_ERR(path)) { - dev_err(dev, "%s: invalid path=%ld\n", __func__, PTR_ERR(path)); - goto out; - } - - path->name = kasprintf(GFP_KERNEL, "%s-%s", src->name, dst->name); - if (!path->name) { - kfree(path); - path = ERR_PTR(-ENOMEM); - } -out: - mutex_unlock(&icc_lock); - return path; -} -EXPORT_SYMBOL_GPL(icc_get); - /** * icc_put() - release the reference to the icc_path * @path: interconnect path diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h index 2b0e784ba771..97ac253df62c 100644 --- a/include/linux/interconnect.h +++ b/include/linux/interconnect.h @@ -40,8 +40,6 @@ struct icc_bulk_data { #if IS_ENABLED(CONFIG_INTERCONNECT) -struct icc_path *icc_get(struct device *dev, const int src_id, - const int dst_id); struct icc_path *of_icc_get(struct device *dev, const char *name); struct icc_path *devm_of_icc_get(struct device *dev, const char *name); int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths); @@ -61,12 +59,6 @@ void icc_bulk_disable(int num_paths, const struct icc_bulk_data *paths); #else -static inline struct icc_path *icc_get(struct device *dev, const int src_id, - const int dst_id) -{ - return NULL; -} - static inline struct icc_path *of_icc_get(struct device *dev, const char *name) {