Hi Guys, On Wed, Apr 22, 2015 at 02:12:43PM +0800, Dong Aisheng wrote: > On Wed, Apr 15, 2015 at 10:26:34PM +0800, Dong Aisheng wrote: > > This patch series adds support in clock framework for clocks which > > operations > > requires its parent clock is on. > > > > Such clock type is initially met on Freescale i.MX7D platform that all > > clocks > > operations, including enable/disable, rate change and re-parent, requires > > its > > parent clock on. No sure if any other SoC has the similar clock type. > > > > Current clock core can not support such type of clock well. > > > > This patch introduce a new flag CLK_SET_PARENT_ON to handle this special > > case > > in clock core that enable its parent clock firstly for each operation and > > disable > > it later after operation complete. > > > > The most special case is for set_parent() operation which requires both > > parent, > > old one and new one, to be enabled at the same time during the operation. > > > > Patch 1~3 are minor cleanup & fixes. > > Patch 4 add CLK_SET_PARENT_ON flags in clock core to support such type > > clocks > > Patch 5 show the need of introducing clk_core_enable_lock and > > clk_core_disable_lock to easily use and reduce duplicated code. > > It can be merged into patch 4 if required. > > > > The patch series is based on for-next branch of Michael's git: > > git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git > > > > Dong Aisheng (5): > > clk: change clk_core name of __clk_set_parent_after > > clk: add missing lock when call clk_core_enable in clk_set_parent > > clk: remove unneeded __clk_enable and __clk_disable > > clk: core: add CLK_SET_PARENT_ON flags to support clocks require > > parent on > > clk: introduce clk_core_enable_lock and clk_core_disable_lock > > functions > > > > Gentle Ping. >
Ping again.. Any comments about this patch series? Regards Dong Aisheng > Regards > Dong Aisheng > > > drivers/clk/clk.c | 112 > > ++++++++++++++++++++++++++++++++++--------- > > include/linux/clk-provider.h | 5 ++ > > 2 files changed, 94 insertions(+), 23 deletions(-) > > > > -- > > 1.9.1 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
