From patchwork Tue Jan 21 03:00:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 859096 Received: from mail-m3268.qiye.163.com (mail-m3268.qiye.163.com [220.197.32.68]) (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 79F294689; Tue, 21 Jan 2025 03:06:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.68 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737428817; cv=none; b=Md1X9CVtEF4tLu5RNEzT785sodMdvw6QYVd4bf7nyoCVjIMJUIHm74/jPTGADEoKNvpjPcqkstgk0exCxIRJNKxek0KZKN4dSwR8S/hnS1Dt3S/vbnFwjWH5SwClcSL/DOsw/i9k4t9hxy7YsvJd5NIKsgoaD6rbSQKIPv4OsdE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737428817; c=relaxed/simple; bh=ZB7BhjR1VPn48isHaQ/N0saNPUipY2ULM+EwqIKKZUw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=QOUX9RS9wgS4CdZl+PrrGKmJpjIV9/QLBmcjxSvXiuBgp1ZnvgIFPXi28I/riXzuKb2KrO2fXLIHwGS5TV3ElqVJQdHlI8Olexc/pYfCKyB8JnBvVGK8qJgJ+dWbCEiS6I9lSM9oQ+xyjdXhBooKIqvVlHyE5VLlLF/eogRTx0s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=aVBEifnJ; arc=none smtp.client-ip=220.197.32.68 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="aVBEifnJ" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 93fdcf61; Tue, 21 Jan 2025 11:01:42 +0800 (GMT+08:00) From: Shawn Lin To: Rob Herring , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Heiko Stuebner , "Rafael J . Wysocki" Cc: Manivannan Sadhasivam , Alim Akhtar , Avri Altman , Bart Van Assche , YiFeng Zhao , Liang Chen , linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Lin Subject: [PATCH v6 4/7] pmdomain: rockchip: Add smc call to inform firmware Date: Tue, 21 Jan 2025 11:00:24 +0800 Message-Id: <1737428427-32393-5-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1737428427-32393-1-git-send-email-shawn.lin@rock-chips.com> References: <1737428427-32393-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGUwdT1ZCHUlPGBlLS0lCTUpWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCS0 NVSktLVUpCWQY+ X-HM-Tid: 0a9486cf092409cckunm93fdcf61 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6OTo6Mjo4ATIPAjUdDgsQEhlP SxYKCjRVSlVKTEhMT0lDTktPSEpJVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUpDSEw3Bg++ DKIM-Signature: a=rsa-sha256; b=aVBEifnJxZDglXZaFJWi9pirQNHZN2+cgE5G3GnNsZkCP59A91j3EVZiysRkhqsKRE3Qsa5dsIAL7DmPxhXkzTkvsuw9Mer2WWlJ/nr/qnH99zbFYqlfoy2AOHYo6G4U6jx0qbzeo8XeIh0jMX1mAmROtCIZYM7quX80fS94Z78=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=BPKn6QDK8iIrwIO7tK/qjYEl5MJTaeG8SozaG5vr8WI=; h=date:mime-version:subject:message-id:from; Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Inform firmware to keep the power domain on or off. Suggested-by: Ulf Hansson Signed-off-by: Shawn Lin --- Changes in v6: None Changes in v5: - fix a compile warning Changes in v4: None Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938..49842f1 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -5,6 +5,7 @@ * Copyright (c) 2015 ROCKCHIP, Co. Ltd. */ +#include #include #include #include @@ -20,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -540,6 +542,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, struct generic_pm_domain *genpd = &pd->genpd; u32 pd_pwr_offset = pd->info->pwr_offset; bool is_on, is_mem_on = false; + struct arm_smccc_res res; if (pd->info->pwr_mask == 0) return; @@ -567,6 +570,11 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, genpd->name, is_on); return; } + + /* Inform firmware to keep this pd on or off */ + arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG, + pmu->info->pwr_offset + pd_pwr_offset, + pd->info->pwr_mask, on, 0, 0, 0, &res); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)