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Message-ID: <20151001233701.GY19319@codeaurora.org> Date: Thu, 1 Oct 2015 16:37:01 -0700 From: Stephen Boyd <sboyd@...eaurora.org> To: Shawn Lin <shawn.lin@...k-chips.com> Cc: Michael Turquette <mturquette@...libre.com>, Heiko Stuebner <heiko@...ech.de>, linux-clk@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH v3] clk: rockchip: reset init state before mmc card initialization On 09/04, Shawn Lin wrote: > mmc host controller's IO input/output timing is unpredictable if > bootloader execute tuning for HS200 mode. It might make kernel failed > to initialize mmc card in identification mode. The root cause is > tuning phase and degree setting for HS200 mode in bootloader aren't > applicable to that of identification mode in kernel stage. Anyway, we > can't force all bootloaders to reset tuning phase and degree setting > before into kernel. Simply reset it in rockchip_clk_register_mmc. > > Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com> > > Reviewed-by: Heiko Stuebner <heiko@...ech.de> > --- Applied to clk-next -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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