From: m.szyprowski@samsung.com (Marek Szyprowski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/7] v4l: s5p-fimc: add pm_runtime support
Date: Wed, 06 Apr 2011 09:25:45 +0200 [thread overview]
Message-ID: <000001cbf42b$dbd9db90$938d92b0$%szyprowski@samsung.com> (raw)
In-Reply-To: <007c01cbf3f2$c6e7b420$54b71c60$%han@samsung.com>
Hello,
On Wednesday, April 06, 2011 2:37 AM Jonghun Han wrote:
> runtime_pm is used to minimize current.
> In my opinion, the followings will be better.
> 1. Adds pm_runtime_get_sync before running of the first job.
> IMO, dma_run callback function is the best place for calling in case of
> M2M.
> 2. And then in the ISR, call pm_runtime_put_sync in the ISR bottom-half if
> there is no remained job.
Right my pm_runtime implementation is very simple. I've just added it to test
if other subsystems are working.
Best regards
--
Marek Szyprowski
Samsung Poland R&D Center
next prev parent reply other threads:[~2011-04-06 7:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-05 14:06 [RFC/PATCH v2 0/7] Samsung IOMMU videobuf2 allocator and s5p-fimc update Marek Szyprowski
2011-04-05 14:06 ` [PATCH 1/7] ARM: EXYNOS4: power domains: fixes and code cleanup Marek Szyprowski
2011-04-05 14:06 ` [PATCH 2/7] ARM: Samsung: update/rewrite Samsung SYSMMU (IOMMU) driver Marek Szyprowski
2011-04-05 14:06 ` [PATCH 3/7] v4l: videobuf2: dma-sg: move some generic functions to memops Marek Szyprowski
2011-04-05 14:06 ` [PATCH 4/7] v4l: videobuf2: add IOMMU based DMA memory allocator Marek Szyprowski
2011-04-05 14:06 ` [PATCH 5/7] v4l: s5p-fimc: add pm_runtime support Marek Szyprowski
2011-04-06 0:37 ` Jonghun Han
2011-04-06 7:25 ` Marek Szyprowski [this message]
2011-04-06 8:14 ` Sylwester Nawrocki
2011-04-05 14:06 ` [PATCH 6/7] v4l: s5p-fimc: Add support for vb2-dma-iommu allocator Marek Szyprowski
2011-04-05 14:06 ` [PATCH 7/7] ARM: EXYNOS4: enable FIMC on Universal_C210 Marek Szyprowski
-- strict thread matches above, loose matches on Subject: below --
2011-04-18 9:26 [RFC/PATCH v3 0/7] Samsung IOMMU videobuf2 allocator and s5p-fimc update Marek Szyprowski
2011-04-18 9:26 ` [PATCH 5/7] v4l: s5p-fimc: add pm_runtime support Marek Szyprowski
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