From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DD8BC3A5A1 for ; Wed, 28 Aug 2019 09:12:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F55A217F5 for ; Wed, 28 Aug 2019 09:12:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726887AbfH1JMO (ORCPT ); Wed, 28 Aug 2019 05:12:14 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:15642 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726829AbfH1JML (ORCPT ); Wed, 28 Aug 2019 05:12:11 -0400 X-UUID: 2ae563997998473bb4c35175723d4890-20190828 X-UUID: 2ae563997998473bb4c35175723d4890-20190828 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1484903483; Wed, 28 Aug 2019 17:12:05 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 28 Aug 2019 17:12:05 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 28 Aug 2019 17:12:05 +0800 From: Weiyi Lu To: Nicolas Boichat , Matthias Brugger , Rob Herring CC: James Liao , Fan Chen , , , , , Weiyi Lu , Yong Wu Subject: [PATCH v7 08/13] soc: mediatek: Add basic_clk_id to scp_power_data Date: Wed, 28 Aug 2019 17:11:41 +0800 Message-ID: <1566983506-26598-9-git-send-email-weiyi.lu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> References: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: E6B5C96125D7620786185AF5D1FF6231904B9FC270085098950D6576F90139692000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Try to stop extending the clk_id or clk_names if there are more and more new BASIC clocks. To get its own clocks by the basic_clk_id of each power domain. Signed-off-by: Weiyi Lu --- drivers/soc/mediatek/mtk-scpsys.c | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index fb2b027..d31e1a4 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -117,6 +117,8 @@ enum clk_id { * @sram_pdn_ack_bits: The mask for sram power control acked bits. * @bus_prot_mask: The mask for single step bus protection. * @clk_id: The basic clocks required by this power domain. + * @basic_clk_id: provide the same purpose with field "clk_id" + * by declaring basic clock prefix name rather than clk_id. * @caps: The flag for active wake-up action. */ struct scp_domain_data { @@ -127,6 +129,7 @@ struct scp_domain_data { u32 sram_pdn_ack_bits; u32 bus_prot_mask; enum clk_id clk_id[MAX_CLKS]; + const char *basic_clk_id[MAX_CLKS]; u8 caps; }; @@ -490,16 +493,26 @@ static struct scp *init_scp(struct platform_device *pdev, scpd->data = data; - for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) { - struct clk *c = clk[data->clk_id[j]]; + if (data->clk_id[0]) { + WARN_ON(data->basic_clk_id[0]); - if (IS_ERR(c)) { - dev_err(&pdev->dev, "%s: clk unavailable\n", - data->name); - return ERR_CAST(c); - } + for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) { + struct clk *c = clk[data->clk_id[j]]; + + if (IS_ERR(c)) { + dev_err(&pdev->dev, + "%s: clk unavailable\n", + data->name); + return ERR_CAST(c); + } - scpd->clk[j] = c; + scpd->clk[j] = c; + } + } else if (data->basic_clk_id[0]) { + for (j = 0; j < MAX_CLKS && + data->basic_clk_id[j]; j++) + scpd->clk[j] = devm_clk_get(&pdev->dev, + data->basic_clk_id[j]); } genpd->name = data->name; -- 1.8.1.1.dirty