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From: Heiko Stuebner <heiko@sntech.de>
To: Caesar Wang <wxt@rock-chips.com>
Cc: khilman@linaro.org, zhangqing@rock-chips.com,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	tfiga@chromium.org
Subject: Re: [PATCH v2] soc: rockchip: avoid infinite loop for power domain
Date: Wed, 02 Nov 2016 00:22:13 +0100	[thread overview]
Message-ID: <1994521.aqSE2RsRj4@phil> (raw)
In-Reply-To: <1476296168-29154-1-git-send-email-wxt@rock-chips.com>

Am Donnerstag, 13. Oktober 2016, 02:16:08 CET schrieb Caesar Wang:
> In some cases, we have met the infinite loop in
> rockchip_pmu_set_idle_request() or rockchip_do_pmu_set_power_domain().
> 
> As the crosbug.com/p/57351 reported, the boot hangs right after this
> [1.629163] bootconsole [uart8250] disabled
> [1.639286] [drm:drm_core_init] Initialized drm 1.1.0 20060810
> [1.645926] [drm:drm_get_platform_dev] Initialized vgem 1.0.0 20120112..
> [1.654558] iommu: Adding device ff8f0000.vop to group 0
> [1.660569] iommu: Adding device ff900000.vop to group 1
> <hang>
> 
> This patch adds the error message and timeout to avoid infinite loop if
> it fails to get the ack.
> 
> Signed-off-by: Caesar Wang <wxt@rock-chips.com>

applied to by drivers-branch for 4.10


Thanks
Heiko

      reply	other threads:[~2016-11-01 23:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-12 18:16 [PATCH v2] soc: rockchip: avoid infinite loop for power domain Caesar Wang
2016-10-12 18:16 ` Caesar Wang
2016-11-01 23:22 ` Heiko Stuebner [this message]

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