diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-12-08 20:15:26 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-12-08 20:15:29 +0100 |
commit | 8e9255e6a2141e050d51bc4d96dbef494a87d653 (patch) | |
tree | f190b142830153eaab05555a93c4f71a144ba3d4 /Documentation/sh/clk.txt | |
parent | 5091faa449ee0b7d73bc296a93bca9540fc51d0a (diff) | |
parent | 6313e3c21743cc88bb5bd8aa72948ee1e83937b6 (diff) |
Merge branch 'linus' into sched/core
Merge reason: we want to queue up dependent cleanup
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/sh/clk.txt')
-rw-r--r-- | Documentation/sh/clk.txt | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/Documentation/sh/clk.txt b/Documentation/sh/clk.txt deleted file mode 100644 index 114b595cfa9..00000000000 --- a/Documentation/sh/clk.txt +++ /dev/null @@ -1,32 +0,0 @@ -Clock framework on SuperH architecture - -The framework on SH extends existing API by the function clk_set_rate_ex, -which prototype is as follows: - - clk_set_rate_ex (struct clk *clk, unsigned long rate, int algo_id) - -The algo_id parameter is used to specify algorithm used to recalculate clocks, -adjanced to clock, specified as first argument. It is assumed that algo_id==0 -means no changes to adjanced clock - -Internally, the clk_set_rate_ex forwards request to clk->ops->set_rate method, -if it is present in ops structure. The method should set the clock rate and adjust -all needed clocks according to the passed algo_id. -Exact values for algo_id are machine-dependent. For the sh7722, the following -values are defined: - - NO_CHANGE = 0, - IUS_N1_N1, /* I:U = N:1, U:Sh = N:1 */ - IUS_322, /* I:U:Sh = 3:2:2 */ - IUS_522, /* I:U:Sh = 5:2:2 */ - IUS_N11, /* I:U:Sh = N:1:1 */ - SB_N1, /* Sh:B = N:1 */ - SB3_N1, /* Sh:B3 = N:1 */ - SB3_32, /* Sh:B3 = 3:2 */ - SB3_43, /* Sh:B3 = 4:3 */ - SB3_54, /* Sh:B3 = 5:4 */ - BP_N1, /* B:P = N:1 */ - IP_N1 /* I:P = N:1 */ - -Each of these constants means relation between clocks that can be set via the FRQCR -register |