From patchwork Fri Apr 8 04:59:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UmV4LUJDIENoZW4gKOmZs+afj+i+sCk=?= X-Patchwork-Id: 12806091 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E900EC433F5 for ; Fri, 8 Apr 2022 05:09:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lcNRa5M6TyStkpNV5hIRNYAsoqH53mpAymxIr19z9yc=; b=ofS+DhkKik9VsW HoMJvfV6XkgyM6rXBhdpxZGC/ui/VRxDAT6/Cc5UY0OJ1goDcSPN0CUuPDfFRkazUEUGKV8PPYKhI fSdgkVTH1EjWN4YMnvSd013bkED5lVUjxQIGrZUZ+P3x4vgvN1bZfjgMHnLkynLrjqjCX8vFmxLMS rwUGpE9NHjsZBRVymDN4tYlFpftras94MXpMfEQNDiWIrrf14JqElq8ctF7klkpZ/oWV/qCZzLg3f Hwp5jHzIepF8ecRs1R4yG1UsyTh/IWF6RDzaKpbQWbiYzvkVNE4preeAvbdWv4NNkavzt9T6/Ztw/ KQCMcCE7RdtNxVse7JHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ncgs8-00F1GX-Jv; Fri, 08 Apr 2022 05:09:24 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ncgs3-00F1BV-7L; Fri, 08 Apr 2022 05:09:20 +0000 X-UUID: 6a5eb5257217478795c28312ac6ebb59-20220407 X-UUID: 6a5eb5257217478795c28312ac6ebb59-20220407 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1381021374; Thu, 07 Apr 2022 22:09:14 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Apr 2022 21:59:14 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 Apr 2022 12:59:12 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 8 Apr 2022 12:59:12 +0800 From: Rex-BC Chen To: , , , CC: , , , , , , , , , Subject: [PATCH V2 10/15] cpufreq: mediatek: Make sram regulator optional Date: Fri, 8 Apr 2022 12:59:03 +0800 Message-ID: <20220408045908.21671-11-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220408045908.21671-1-rex-bc.chen@mediatek.com> References: <20220408045908.21671-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220407_220919_298526_F7E058E0 X-CRM114-Status: GOOD ( 11.16 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Jia-Wei Chang For some MediaTek SoCs, like MT8186, it's possible that the sram regulator is shared between CPU and CCI. Signed-off-by: Jia-Wei Chang Reviewed-by: AngeloGioacchino Del Regno --- drivers/cpufreq/mediatek-cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 9e9bce0ff235..8f688d47e64b 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -435,7 +435,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) } /* Both presence and absence of sram regulator are valid cases. */ - info->sram_reg = regulator_get_exclusive(cpu_dev, "sram"); + info->sram_reg = regulator_get_optional(cpu_dev, "sram"); if (IS_ERR(info->sram_reg)) info->sram_reg = NULL; else {