From: Shawn Guo <shawnguo@kernel.org>
To: Daniel Baluta <daniel.baluta@nxp.com>
Cc: s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, linux-imx@nxp.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, paul.olaru@nxp.com,
shengjiu.wang@nxp.com
Subject: Re: [PATCH RESEND 0/3] Allow on demand channel request / free
Date: Mon, 16 Nov 2020 16:34:17 +0800 [thread overview]
Message-ID: <20201116083415.GK5849@dragon> (raw)
In-Reply-To: <20201111111118.21824-1-daniel.baluta@nxp.com>
On Wed, Nov 11, 2020 at 01:11:15PM +0200, Daniel Baluta wrote:
> Requesting an mailbox channel will call mailbox's startup
> function.
>
> startup function calls pm_runtime_get_sync which increments device usage
> count and will keep the device active. Specifically, mailbox clock will
> be always ON when a mailbox channel is requested.
>
> For this, reason we introduce a way to request/free IMX DSP channels
> on demand to save power when the channels are not used.
>
> First two patches are doing code refactoring preparing the path
> for 3rd patch which exports functions for on demand channel request/free
>
>
> Daniel Baluta (3):
> firmware: imx: Introduce imx_dsp_setup_channels
> firmware: imx: Save channel name for further use
> firmware: imx-dsp: Export functions to request/free channels
Applied all, thanks.
prev parent reply other threads:[~2020-11-16 8:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-11 11:11 [PATCH RESEND 0/3] Allow on demand channel request / free Daniel Baluta
2020-11-11 11:11 ` [PATCH RESEND 1/3] firmware: imx: Introduce imx_dsp_setup_channels Daniel Baluta
2020-11-11 11:11 ` [PATCH RESEND 2/3] firmware: imx: Save channel name for further use Daniel Baluta
2020-11-11 11:11 ` [PATCH RESEND 3/3] firmware: imx-dsp: Export functions to request/free channels Daniel Baluta
2020-11-16 8:34 ` Shawn Guo [this message]
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