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author | Dong Aisheng <aisheng.dong@nxp.com> | 2016-06-30 17:31:14 +0800 |
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committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-07-01 17:42:56 -0700 |
commit | fc8726a2c021b5525151ff6482f8f9a863c56d8d (patch) | |
tree | 2914b8e4323084d09d30037b71f4c26ba2ee28eb /drivers/clk/imx | |
parent | a4b3518d146f150d633f7dc815bb8ee2fbc162e9 (diff) | |
download | linux-fc8726a2c021b5525151ff6482f8f9a863c56d8d.tar.bz2 |
clk: core: support clocks which requires parents enable (part 2)
On Freescale i.MX7D platform, all clocks operations, including
enable/disable, rate change and re-parent, requires its parent clock on.
Current clock core can not support it well.
This patch adding flag CLK_OPS_PARENT_ENABLE 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 patch part 2 fixes set clock rate and set parent while its parent
is off. The most special case is for set_parent() operation which requires
all parents including both old and new one to be enabled at the same time
during the operation.
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
[sboyd@codeaurora.org: Move set_rate tracepoint after prepare_enable]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/imx')
0 files changed, 0 insertions, 0 deletions