From patchwork Thu Mar 5 04:07:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11421141 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 94034924 for ; Thu, 5 Mar 2020 04:07:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DCC7208CD for ; Thu, 5 Mar 2020 04:07:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="EIJZZFxh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726243AbgCEEHO (ORCPT ); Wed, 4 Mar 2020 23:07:14 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:16398 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725880AbgCEEHN (ORCPT ); Wed, 4 Mar 2020 23:07:13 -0500 X-UUID: 0a0ef529b8b04c95b797d52c5b137eb3-20200305 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=j4nSuYPozmP9Ve1URoWtgPyLgtJxDtwpFHY2z+VU3bI=; b=EIJZZFxhurw7kFeEUrW8BXvW0ObagqSxfqvaKdjmPQGUykDBpb5qPMFRK60zWl5/aYkwDM6NGCfnCVAy0uxsGgZJRmzsyWqCa2HNOBYNELqKt3lXO0HM/XYFr+rtxIhfPV66O0K9pXhXc9APp6g5Vm4G3jvfr9hVysRwuUTGrAg=; X-UUID: 0a0ef529b8b04c95b797d52c5b137eb3-20200305 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1468726632; Thu, 05 Mar 2020 12:07:07 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 5 Mar 2020 12:05:57 +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; Thu, 5 Mar 2020 12:06:20 +0800 From: Stanley Chu To: , , , , CC: , , , , , , , , , , , , Stanley Chu Subject: [PATCH v1 2/4] scsi: ufs: use an enum for host capabilities Date: Thu, 5 Mar 2020 12:07:02 +0800 Message-ID: <20200305040704.10645-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200305040704.10645-1-stanley.chu@mediatek.com> References: <20200305040704.10645-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use an enum to specify the host capabilities instead of #defines inside the structure definition. Signed-off-by: Stanley Chu Reviewed-by: Can Guo --- drivers/scsi/ufs/ufshcd.h | 65 ++++++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 4e235cef99bc..49ade1bfd085 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -510,6 +510,43 @@ enum ufshcd_quirks { UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION = 1 << 5, }; +enum ufshcd_caps { + /* Allow dynamic clk gating */ + UFSHCD_CAP_CLK_GATING = 1 << 0, + + /* Allow hiberb8 with clk gating */ + UFSHCD_CAP_HIBERN8_WITH_CLK_GATING = 1 << 1, + + /* Allow dynamic clk scaling */ + UFSHCD_CAP_CLK_SCALING = 1 << 2, + + /* Allow auto bkops to enabled during runtime suspend */ + UFSHCD_CAP_AUTO_BKOPS_SUSPEND = 1 << 3, + + /* + * This capability allows host controller driver to use the UFS HCI's + * interrupt aggregation capability. + * CAUTION: Enabling this might reduce overall UFS throughput. + */ + UFSHCD_CAP_INTR_AGGR = 1 << 4, + + /* + * This capability allows the device auto-bkops to be always enabled + * except during suspend (both runtime and suspend). + * Enabling this capability means that device will always be allowed + * to do background operation when it's active but it might degrade + * the performance of ongoing read/write operations. + */ + UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND = 1 << 5, + + /* + * This capability allows host controller driver to automatically + * enable runtime power management by itself instead of waiting + * for userspace to control the power management. + */ + UFSHCD_CAP_RPM_AUTOSUSPEND = 1 << 6, +}; + /** * struct ufs_hba - per adapter private structure * @mmio_base: UFSHCI base register address @@ -662,34 +699,6 @@ struct ufs_hba { struct ufs_clk_gating clk_gating; /* Control to enable/disable host capabilities */ u32 caps; - /* Allow dynamic clk gating */ -#define UFSHCD_CAP_CLK_GATING (1 << 0) - /* Allow hiberb8 with clk gating */ -#define UFSHCD_CAP_HIBERN8_WITH_CLK_GATING (1 << 1) - /* Allow dynamic clk scaling */ -#define UFSHCD_CAP_CLK_SCALING (1 << 2) - /* Allow auto bkops to enabled during runtime suspend */ -#define UFSHCD_CAP_AUTO_BKOPS_SUSPEND (1 << 3) - /* - * This capability allows host controller driver to use the UFS HCI's - * interrupt aggregation capability. - * CAUTION: Enabling this might reduce overall UFS throughput. - */ -#define UFSHCD_CAP_INTR_AGGR (1 << 4) - /* - * This capability allows the device auto-bkops to be always enabled - * except during suspend (both runtime and suspend). - * Enabling this capability means that device will always be allowed - * to do background operation when it's active but it might degrade - * the performance of ongoing read/write operations. - */ -#define UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND (1 << 5) - /* - * This capability allows host controller driver to automatically - * enable runtime power management by itself instead of waiting - * for userspace to control the power management. - */ -#define UFSHCD_CAP_RPM_AUTOSUSPEND (1 << 6) struct devfreq *devfreq; struct ufs_clk_scaling clk_scaling;