From patchwork Thu Mar 3 08:03:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elaine Zhang X-Patchwork-Id: 8489761 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AC008C0553 for ; Thu, 3 Mar 2016 08:16:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DDD68202AE for ; Thu, 3 Mar 2016 08:16:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0A8AD2025B for ; Thu, 3 Mar 2016 08:16:06 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1abOP1-0003hr-KO; Thu, 03 Mar 2016 08:14:31 +0000 Received: from regular1.263xmail.com ([211.150.99.139]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1abOJL-00058J-7X; Thu, 03 Mar 2016 08:09:11 +0000 Received: from zhangqing?rock-chips.com (unknown [192.168.167.78]) by regular1.263xmail.com (Postfix) with SMTP id 19CE960A1; Thu, 3 Mar 2016 16:08:13 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 22AD329D31; Thu, 3 Mar 2016 16:08:07 +0800 (CST) X-RL-SENDER: zhangqing@rock-chips.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: zhangqing@rock-chips.com X-UNIQUE-TAG: <63b4b4aa6b37cb94adf77429112ea989> X-ATTACHMENT-NUM: 0 X-SENDER: zhangqing@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 21013XA57UI; Thu, 03 Mar 2016 16:08:08 +0800 (CST) From: Elaine Zhang To: heiko@sntech.de, khilman@baylibre.com, wxt@rock-chips.com Subject: [PATCH v5 1/6] rockchip: power-domain: make idle handling optional Date: Thu, 3 Mar 2016 16:03:48 +0800 Message-Id: <1456992233-25164-2-git-send-email-zhangqing@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456992233-25164-1-git-send-email-zhangqing@rock-chips.com> References: <1456992233-25164-1-git-send-email-zhangqing@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160303_000840_125512_7A1EA00C X-CRM114-Status: UNSURE ( 6.38 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huangtao@rock-chips.com, xxx@rock-chips.com, Elaine Zhang , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, zyw@rock-chips.com, jay.xu@rock-chips.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Not all new socs need to handle idle states on domain state changes, so add the possibility to make them optional. Signed-off-by: Elaine Zhang --- drivers/soc/rockchip/pm_domains.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 18aee6b..c46312d 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -68,9 +68,9 @@ struct rockchip_pmu { { \ .pwr_mask = BIT(pwr), \ .status_mask = BIT(status), \ - .req_mask = BIT(req), \ - .idle_mask = BIT(idle), \ - .ack_mask = BIT(ack), \ + .req_mask = (req >= 0) ? BIT(req) : 0, \ + .idle_mask = (idle >= 0) ? BIT(idle) : 0, \ + .ack_mask = (ack >= 0) ? BIT(ack) : 0, \ } #define DOMAIN_RK3288(pwr, status, req) \ @@ -96,6 +96,9 @@ static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd, struct rockchip_pmu *pmu = pd->pmu; unsigned int val; + if (pd_info->req_mask == 0) + return 0; + regmap_update_bits(pmu->regmap, pmu->info->req_offset, pd_info->req_mask, idle ? -1U : 0);