Messages in this thread | | | From | Phil Edworthy <> | Subject | RE: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar | Date | Mon, 21 Dec 2015 10:52:37 +0000 |
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Hi Wolfram,
On 18 December 2015 14:04, Wolfram Sang wrote: > > Since the hardware doesn't support hot plug, I believe this loop will > > always exit very quickly. Unless someone has taken a hammer to the HW > > of course. > > I know what you mean. But since readl_poll_timeout() makes it easy, we > should better be safe than sorry. Hmm, I changed the code, but now it doesn't come out of suspend unless sleep_us passed to readl_poll_timeout is 0. Any reason you can think of?
To test, I am just using: Build the kernel with CONFIG_PM_DEBUG. echo platform > /sys/power/pm_test echo N > /sys/module/printk/parameters/console_suspend echo mem > /sys/power/state
Thanks Phil
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