linux-kernel - Re: [PATCH v3 1/3] clk: rockchip: convert rk3399 pll type to use readl_poll

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Message-Id: <20200130171927.C9ECF206F0@mail.kernel.org>
Date:   Thu, 30 Jan 2020 09:19:26 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Heiko Stuebner <heiko@...ech.de>, linux-clk@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mturquette@...libre.com, heiko@...ech.de,
        christoph.muellner@...obroma-systems.com, zhangqing@...k-chips.com,
        robin.murphy@....com,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>
Subject: Re: [PATCH v3 1/3] clk: rockchip: convert rk3399 pll type to use readl_poll_timeout

Quoting Heiko Stuebner (2020-01-29 08:38:19)
> From: Heiko Stuebner <heiko.stuebner@...obroma-systems.com>
> 
> Instead of open coding the polling of the lock status, use the
> handy readl_poll_timeout for this. As the pll locking is normally
> blazingly fast and we don't want to incur additional delays, we're
> not doing any sleeps similar to for example the imx clk-pllv4
> and define a very safe but still short timeout of 1ms.
> 
> Suggested-by: Stephen Boyd <sboyd@...nel.org>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...obroma-systems.com>
> ---

Reviewed-by: Stephen Boyd <sboyd@...nel.org>