From patchwork Mon Nov 16 06:50:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11907491 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 1223617F7 for ; Mon, 16 Nov 2020 06:51:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F22432080A for ; Mon, 16 Nov 2020 06:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727387AbgKPGvT (ORCPT ); Mon, 16 Nov 2020 01:51:19 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:59517 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727228AbgKPGvE (ORCPT ); Mon, 16 Nov 2020 01:51:04 -0500 X-UUID: a4cd92fc30f746358018a7f03dd0d624-20201116 X-UUID: a4cd92fc30f746358018a7f03dd0d624-20201116 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2073750733; Mon, 16 Nov 2020 14:50:56 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 16 Nov 2020 14:50:55 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 16 Nov 2020 14:50:55 +0800 From: Stanley Chu To: , , , , CC: , , , , , , , , , , , , , , , , , Stanley Chu Subject: [PATCH v1 2/9] scsi: ufs: Introduce device parameter initialization function Date: Mon, 16 Nov 2020 14:50:47 +0800 Message-ID: <20201116065054.7658-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201116065054.7658-1-stanley.chu@mediatek.com> References: <20201116065054.7658-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Nowadays many vendors initialize their device parameters in their own vendor drivers. The initialization code is almost the same as well as the pre-defined definitions. Introduce a common device parameter initialization function which assign the most common initial values. With this function, we could remove those duplicated codes in vendor drivers. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd-pltfrm.c | 17 +++++++++++++++++ drivers/scsi/ufs/ufshcd-pltfrm.h | 1 + 2 files changed, 18 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 3db0af66c71c..a6f76399b3ae 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -354,6 +354,23 @@ int ufshcd_get_pwr_dev_param(struct ufs_dev_params *pltfrm_param, } EXPORT_SYMBOL_GPL(ufshcd_get_pwr_dev_param); +void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param) +{ + dev_param->tx_lanes = 2; + dev_param->rx_lanes = 2; + dev_param->hs_rx_gear = UFS_HS_G3; + dev_param->hs_tx_gear = UFS_HS_G3; + dev_param->pwm_rx_gear = UFS_PWM_G4; + dev_param->pwm_tx_gear = UFS_PWM_G4; + dev_param->rx_pwr_pwm = SLOW_MODE; + dev_param->tx_pwr_pwm = SLOW_MODE; + dev_param->rx_pwr_hs = FAST_MODE; + dev_param->tx_pwr_hs = FAST_MODE; + dev_param->hs_rate = PA_HS_MODE_B; + dev_param->desired_working_mode = UFS_HS_MODE; +} +EXPORT_SYMBOL_GPL(ufshcd_init_pwr_dev_param); + /** * ufshcd_pltfrm_init - probe routine of the driver * @pdev: pointer to Platform device handle diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.h b/drivers/scsi/ufs/ufshcd-pltfrm.h index b79cdf9129a0..772a8e848098 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.h +++ b/drivers/scsi/ufs/ufshcd-pltfrm.h @@ -28,6 +28,7 @@ struct ufs_dev_params { int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param, struct ufs_pa_layer_attr *dev_max, struct ufs_pa_layer_attr *agreed_pwr); +void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param); int ufshcd_pltfrm_init(struct platform_device *pdev, const struct ufs_hba_variant_ops *vops); void ufshcd_pltfrm_shutdown(struct platform_device *pdev);