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Code Issues Releases Wiki Activity

thunderbolt: Move TMU configuration to tb_enable_tmu()

Browse source 
There is no need to duplicate the code the enables TMU. Also update the
comment to better explain why we do this in the first place.

No functional changes.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg 2022-10-07 16:53:58 +03:00
parent 7d283f4148
commit 20c2fae9db
1 changed files with 10 additions and 20 deletions
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30
drivers/thunderbolt/tb.c
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@ -387,6 +387,16 @@ static int tb_enable_tmu(struct tb_switch *sw)
{
int ret;
/*
* If CL1 is enabled then we need to configure the TMU accuracy
* level to normal. Otherwise we keep the TMU running at the
* highest accuracy.
*/
if (tb_switch_is_clx_enabled(sw, TB_CL1))
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_NORMAL, true);
else
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_HIFI, false);
/* If it is already enabled in correct mode, don't touch it */
if (tb_switch_tmu_is_enabled(sw))
return 0;
@ -873,16 +883,6 @@ static void tb_scan_port(struct tb_port *port)
tb_switch_clx_name(TB_CL1));
}
if (tb_switch_is_clx_enabled(sw, TB_CL1))
/*
* To support highest CLx state, we set router's TMU to
* Normal-Uni mode.
*/
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_NORMAL, true);
else
/* If CLx disabled, configure router's TMU to HiFi-Bidir mode*/
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_HIFI, false);
if (tb_enable_tmu(sw))
tb_sw_warn(sw, "failed to enable TMU\n");
@ -2035,16 +2035,6 @@ static void tb_restore_children(struct tb_switch *sw)
tb_sw_warn(sw, "failed to re-enable %s on upstream port\n",
tb_switch_clx_name(TB_CL1));
if (tb_switch_is_clx_enabled(sw, TB_CL1))
/*
* To support highest CLx state, we set router's TMU to
* Normal-Uni mode.
*/
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_NORMAL, true);
else
/* If CLx disabled, configure router's TMU to HiFi-Bidir mode*/
tb_switch_tmu_configure(sw, TB_SWITCH_TMU_RATE_HIFI, false);
if (tb_enable_tmu(sw))
tb_sw_warn(sw, "failed to restore TMU configuration\n");