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SubjectRe: [PATCH v2] spi: spi-sun6i: enable autosuspend feature
On Mon, Oct 19, 2020 at 06:03:43PM +0300, Alexander Kochetkov wrote:
> From: Alexander Kochetkov <>
> If SPI is used for periodic polling any sensor, significant delays
> sometimes appear. Switching on module clocks during resume lead to delays.
> Enabling autosuspend mode causes the controller to not suspend between
> SPI transfers and the delays disappear.
> The commit also remove unnecessary call to pm_runtime_idle() used
> to explicit put device to suspended state. Without pm_runtime_idle() PM
> core will put device in the suspended state just after probe() returns.
> Signed-off-by: Alexander Kochetkov <>

Acked-by: Maxime Ripard <>

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