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Mon, 30 Sep 2024 05:44:39 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42e96a36597sm149362745e9.31.2024.09.30.05.44.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 05:44:39 -0700 (PDT) From: neil.armstrong@linaro.org Date: Mon, 30 Sep 2024 14:44:29 +0200 Subject: [PATCH v3 07/13] ufs/ufs.h: Add definition of 'ufshcd_rmwl()' MIME-Version: 1.0 Message-Id: <20240930-topic-ufs-enhancements-v3-7-58234f84ab89@linaro.org> References: <20240930-topic-ufs-enhancements-v3-0-58234f84ab89@linaro.org> In-Reply-To: <20240930-topic-ufs-enhancements-v3-0-58234f84ab89@linaro.org> To: Tom Rini , Bhupesh Sharma , Neha Malcom Francis Cc: Michal Simek , Marek Vasut , bmeng.cn@gmail.com, u-boot@lists.denx.de, u-boot-qcom@groups.io, Neil Armstrong , Venkatesh Yadav Abbarapu , Bhupesh Sharma X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1432; i=neil.armstrong@linaro.org; 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Ported from Linux kernel commits: e785060ea3a1 ("ufs: definitions for phy interface") cff91daf52d3 ("scsi: ufs: Fix kernel-doc syntax in ufshcd.h") Signed-off-by: Bhupesh Sharma Tested-by: Venkatesh Yadav Abbarapu --- drivers/ufs/ufs.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/ufs/ufs.h b/drivers/ufs/ufs.h index b55c4a9e996..555f8a6857d 100644 --- a/drivers/ufs/ufs.h +++ b/drivers/ufs/ufs.h @@ -3,6 +3,7 @@ #define __UFS_H #include +#include #include "unipro.h" struct udevice; @@ -933,6 +934,23 @@ enum { #define ufshcd_readl(hba, reg) \ readl((hba)->mmio_base + (reg)) +/** + * ufshcd_rmwl - perform read/modify/write for a controller register + * @hba: per adapter instance + * @mask: mask to apply on read value + * @val: actual value to write + * @reg: register address + */ +static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg) +{ + u32 tmp; + + tmp = ufshcd_readl(hba, reg); + tmp &= ~mask; + tmp |= (val & mask); + ufshcd_writel(hba, tmp, reg); +} + /* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */ #define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 0x1