Some modules have idlemodes wired, but not completely functional. We have
quirks for SWSUP_SIDLE and SWSUP_SIDLE_ACT to manage interconnect target
modules without hardware support, but we've been only using them so far
in legacy mode. Let's add support for SWSUP quirks in non-legacy mode too.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
drivers/bus/ti-sysc.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -872,10 +872,15 @@ static int sysc_enable_module(struct device *dev)
if (!idlemodes || regbits->sidle_shift < 0)
goto set_midle;
- best_mode = fls(ddata->cfg.sidlemodes) - 1;
- if (best_mode > SYSC_IDLE_MASK) {
- dev_err(dev, "%s: invalid sidlemode\n", __func__);
- return -EINVAL;
+ if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE |
+ SYSC_QUIRK_SWSUP_SIDLE_ACT)) {
+ best_mode = SYSC_IDLE_NO;
+ } else {
+ best_mode = fls(ddata->cfg.sidlemodes) - 1;
+ if (best_mode > SYSC_IDLE_MASK) {
+ dev_err(dev, "%s: invalid sidlemode\n", __func__);
+ return -EINVAL;
+ }
}
reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift);
@@ -959,10 +964,14 @@ static int sysc_disable_module(struct device *dev)
if (!idlemodes || regbits->sidle_shift < 0)
return 0;
- ret = sysc_best_idle_mode(idlemodes, &best_mode);
- if (ret) {
- dev_err(dev, "%s: invalid sidlemode\n", __func__);
- return ret;
+ if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) {
+ best_mode = SYSC_IDLE_FORCE;
+ } else {
+ ret = sysc_best_idle_mode(idlemodes, &best_mode);
+ if (ret) {
+ dev_err(dev, "%s: invalid sidlemode\n", __func__);
+ return ret;
+ }
}
reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift);
--
2.21.0
