From: jeffy.chen@rock-chips•com (jeffy)
To: linux-arm-kernel@lists•infradead.org
Subject: [RESEND PATCH 1/2] spi: rockchip: Convert to late and early system PM callbacks
Date: Sat, 14 Oct 2017 02:25:48 +0800 [thread overview]
Message-ID: <59E1052C.3000503@rock-chips.com> (raw)
In-Reply-To: <59E103B0.8060705@rock-chips.com>
On 10/14/2017 02:19 AM, jeffy wrote:
>
>
> it looks like the suspend sequence depends on the dt node sequence, and
> we are putting display-subsystem dt node above spi dt node, so it would
> be earlier in the device list, then got suspended later than spi device.
>
> the pwm backlight and cros_ec_spi pwm are very interesting, not only
> about suspend dependency... if we unbind cros_ec_spi pwm, the pwm
> backlight would still hold a reference to it, and crash the kernel later.
or maybe we should move device_pm_add() from device_add() to driver_bound()?
next prev parent reply other threads:[~2017-10-13 18:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-13 10:41 [RESEND PATCH 0/2] rockchip: kevin: Enable edp display Jeffy Chen
2017-10-13 10:41 ` [RESEND PATCH 1/2] spi: rockchip: Convert to late and early system PM callbacks Jeffy Chen
2017-10-13 15:32 ` Doug Anderson
2017-10-13 15:51 ` Brian Norris
2017-10-13 16:42 ` Mark Brown
2017-10-13 18:19 ` jeffy
2017-10-13 18:25 ` jeffy [this message]
2017-10-13 18:30 ` Dmitry Torokhov
2017-10-13 18:30 ` Dmitry Torokhov
2017-10-13 18:37 ` Mark Brown
2017-10-13 23:45 ` Dmitry Torokhov
2017-10-14 0:15 ` Rafael J. Wysocki
2017-10-14 8:59 ` Mark Brown
2017-10-13 18:44 ` jeffy
2017-10-13 19:01 ` jeffy
2017-10-13 10:41 ` [RESEND PATCH 2/2] arm64: dts: rockchip: Enable edp disaplay on kevin Jeffy Chen
2017-10-13 13:25 ` Heiko Stuebner
2017-10-13 13:42 ` Emil Renner Berthing
2017-10-13 15:15 ` Emil Renner Berthing
2017-10-13 18:12 ` jeffy
2017-10-13 15:34 ` [RESEND PATCH 0/2] rockchip: kevin: Enable edp display Doug Anderson
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