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X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Ed Tsai Hi, This patch series resolves a link stability issue found on our certain platforms where the VCC regulator has a slow ramp-up time. To fix this, a delay is needed after VCC is turned on. The solution is implemented in two parts: 1. Introduce the new host quirks, UFSHCD_QUIRK_VCC_ON_DELAY. 2. Apply in our new platform with UFS5 device to ensure the VCC is ready before we enable the clocks. Changes in v2: - Fix typos and wording issues. Ed Tsai (2): ufs: core: Add quirks for VCC ramp-up delay ufs: host: mediatek: Add VCC on delay for stability drivers/ufs/core/ufshcd.c | 12 ++++++++++++ drivers/ufs/host/ufs-mediatek.c | 11 +++++++++++ drivers/ufs/host/ufs-mediatek.h | 4 ++++ include/ufs/ufshcd.h | 6 ++++++ 4 files changed, 33 insertions(+) -- 2.45.2