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firmware: ti_sci: allow frequency change for disabled clocks by default 

If a clock is disabled, its frequency should be allowed to change as
it is no longer in use. Add a flag towards this to the firmware clock
API handler routines.

Acked-by: Nishanth Menon <nm@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This commit is contained in:
Tero Kristo 2020-09-11 21:47:08 -07:00 committed by Santosh Shilimkar
parent efa5c01cd7
commit 71b610825f
1 changed files with 4 additions and 2 deletions
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6
drivers/firmware/ti_sci.c
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@ -1124,7 +1124,8 @@ static int ti_sci_cmd_get_clock(const struct ti_sci_handle *handle, u32 dev_id,
static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle, static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
u32 dev_id, u32 clk_id) u32 dev_id, u32 clk_id)
{ {
return ti_sci_set_clock_state(handle, dev_id, clk_id, 0, return ti_sci_set_clock_state(handle, dev_id, clk_id,
MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
MSG_CLOCK_SW_STATE_UNREQ); MSG_CLOCK_SW_STATE_UNREQ);
} }
@ -1143,7 +1144,8 @@ static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle, static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle,
u32 dev_id, u32 clk_id) u32 dev_id, u32 clk_id)
{ {
return ti_sci_set_clock_state(handle, dev_id, clk_id, 0, return ti_sci_set_clock_state(handle, dev_id, clk_id,
MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
MSG_CLOCK_SW_STATE_AUTO); MSG_CLOCK_SW_STATE_AUTO);
} }