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Sun, 15 Nov 2020 23:01:05 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 15 Nov 2020 22:51:03 -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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201116_020112_057736_57013652 X-CRM114-Status: GOOD ( 11.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: chun-hung.wu@mediatek.com, alice.chao@mediatek.com, Stanley Chu , andy.teng@mediatek.com, cc.chou@mediatek.com, peter.wang@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, kwmad.kim@samsung.com, jiajie.hao@mediatek.com, cang@codeaurora.org, linux-mediatek@lists.infradead.org, liwei213@huawei.com, matthias.bgg@gmail.com, beanhuo@micron.com, chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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); -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel