clk: divider: add CLK_DIVIDER_HIWORD_MASK flag

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In both Hisilicon & Rockchip Cortex-A9 based chips, they don't use the
paradigm of reading-changing-writing the register contents.
Instead they use a hiword mask to indicate the changed bits.

When b01 should be set as setting divider, it also needs to indicate
the change by setting hiword mask (b11 << 16).

The patch adds divider flag for this usage.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

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This commit is contained in:

Haojian Zhuang 2013-06-08 22:47:18 +08:00 • committed by Mike Turquette

parent ba492e9007

commit d57dfe7508

2 changed files with 18 additions and 2 deletions

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5

include/linux/clk-provider.h

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