From: Heiko Stuebner <heiko@sntech.de>
To: Caesar Wang <wxt@rock-chips.com>
Cc: dianders@chromium.org, linux-arm-kernel@lists.infradead.org,
zhangqing@rock-chips.com, linux-rockchip@lists.infradead.org,
linux-kernel@vger.kernel.org,
Jeffy Chen <jeffy.chen@rock-chips.com>
Subject: Re: [PATCH] arm64: dts: rockchip: add gmac needed clk for rk3399 pd
Date: Mon, 14 Nov 2016 15:42:34 +0100 [thread overview]
Message-ID: <15590097.XDc0ARC38n@phil> (raw)
In-Reply-To: <1479098199-20170-1-git-send-email-wxt@rock-chips.com>
Am Montag, 14. November 2016, 12:36:39 CET schrieb Caesar Wang:
> From: Jeffy Chen <jeffy.chen@rock-chips.com>
>
> This patch fixes that sometimes hang at start-up time of the system.
> As the below log:
> ...
> [ 11.136543] calling pm_genpd_debug_init+0x0/0x60 @ 1
> [ 11.141602] initcall pm_genpd_debug_init+0x0/0x60 returned 0 after 11
> usecs [ 11.148558] calling genpd_poweroff_unused+0x0/0x84 @ 1
> <hang>
>
> In some cases, the rk3399 should turn off the gmac power domain to save
> power if some boards didn't register the gmac device node for rk3399.
> Then, rk3399 need to make sure the gmac's pclk enabled if we need
> operate the gmac power domain. (Due to the NOC had enabled always)
>
> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
> Signed-off-by: Caesar Wang <wxt@rock-chips.com>
applied to my dts64 branch
Thanks
Heiko
WARNING: multiple messages have this Message-ID (diff)
From: heiko@sntech.de (Heiko Stuebner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: dts: rockchip: add gmac needed clk for rk3399 pd
Date: Mon, 14 Nov 2016 15:42:34 +0100 [thread overview]
Message-ID: <15590097.XDc0ARC38n@phil> (raw)
In-Reply-To: <1479098199-20170-1-git-send-email-wxt@rock-chips.com>
Am Montag, 14. November 2016, 12:36:39 CET schrieb Caesar Wang:
> From: Jeffy Chen <jeffy.chen@rock-chips.com>
>
> This patch fixes that sometimes hang at start-up time of the system.
> As the below log:
> ...
> [ 11.136543] calling pm_genpd_debug_init+0x0/0x60 @ 1
> [ 11.141602] initcall pm_genpd_debug_init+0x0/0x60 returned 0 after 11
> usecs [ 11.148558] calling genpd_poweroff_unused+0x0/0x84 @ 1
> <hang>
>
> In some cases, the rk3399 should turn off the gmac power domain to save
> power if some boards didn't register the gmac device node for rk3399.
> Then, rk3399 need to make sure the gmac's pclk enabled if we need
> operate the gmac power domain. (Due to the NOC had enabled always)
>
> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
> Signed-off-by: Caesar Wang <wxt@rock-chips.com>
applied to my dts64 branch
Thanks
Heiko
next prev parent reply other threads:[~2016-11-14 14:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-14 4:36 [PATCH] arm64: dts: rockchip: add gmac needed clk for rk3399 pd Caesar Wang
2016-11-14 4:36 ` Caesar Wang
2016-11-14 14:42 ` Heiko Stuebner [this message]
2016-11-14 14:42 ` Heiko Stuebner
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