From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Robert Baldyga <r.baldyga@samsung.com>
Cc: dan.j.williams@intel.com, vinod.koul@intel.com, lars@metafoo.de,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
m.szyprowski@samsung.com
Subject: Re: [PATCH 1/3] amba: add no_pm_pclk_management flag to amba_driver
Date: Thu, 16 Apr 2015 14:41:58 +0100 [thread overview]
Message-ID: <20150416134158.GZ12732@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1429191554-24972-2-git-send-email-r.baldyga@samsung.com>
On Thu, Apr 16, 2015 at 03:39:12PM +0200, Robert Baldyga wrote:
> This patch introduces no_pm_pclk_management flag in struct amba_driver.
> It causes that pclk is not touched in pm_runtime callbacks. This allows
> to manage clock in device driver independently of power domain management.
NAK. We already have stuff in place to deal with the problem with
DMA engine using runtime PM, which causes pclk management to fall
back to the IRQ-safe clk_enable/clk_disable().
--
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2015-04-16 13:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1429191554-24972-1-git-send-email-r.baldyga@samsung.com>
2015-04-16 13:39 ` Robert Baldyga
2015-04-16 13:41 ` Russell King - ARM Linux [this message]
2015-05-05 6:21 ` Robert Baldyga
2015-04-16 13:39 ` [PATCH 2/3] dmaengine: add dmaengine_pm_get()/dmaengine_pm_put() functions Robert Baldyga
2015-04-16 13:39 ` [PATCH 3/3] dmaengine: pl330: get rid of pm_runtime_irq_safe() Robert Baldyga
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