On 11/13/20 11:07, Chanwoo Choi wrote: > On 11/13/20 5:48 PM, Georgi Djakov wrote: >> On 11/12/20 16:09, Sylwester Nawrocki wrote: >>> >>> This patchset adds interconnect API support for the Exynos SoC "samsung, >>> exynos-bus" compatible devices, which already have their corresponding >>> exynos-bus driver in the devfreq subsystem. Complementing the devfreq >>> driver with an interconnect functionality allows to ensure the QoS >>> requirements of devices accessing the system memory (e.g. video processing >>> devices) are fulfilled and allows to avoid issues like the one discussed >>> in thread [1]. >>> >>> This patch series adds implementation of the interconnect provider per each >>> "samsung,exynos-bus" compatible DT node, with one interconnect node per >>> provider. The interconnect code which was previously added as a part of >>> the devfreq driver has been converted to a separate platform driver. >>> In the devfreq a corresponding virtual child platform device is registered. >>> Integration of devfreq and interconnect frameworks is achieved through >>> the PM QoS API. >>> >>> A sample interconnect consumer for exynos-mixer is added in patch 5/5, >>> it is currently added only for exynos4412 and allows to address the >>> mixer DMA underrun error issues [1]. >> >> Good work Sylwester! Thank you and all the reviewers! What would be the merge >> path for this patchset? Looks like there is no build dependency between patches. >> Should i take just patches 2,3 or also patch 1? Chanwoo? > > Hi Georgi, > > If you take the patch 2,3, I'll apply patch 1,4 to devfreq.git. Ok, sounds good! Thanks for clarifying! BR, Georgi