diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index f36f3e8b38f3..bc4dbaa027cf 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -497,7 +497,7 @@ static void sysc_clkdm_allow_idle(struct sysc *ddata) static int sysc_init_resets(struct sysc *ddata) { ddata->rsts = - devm_reset_control_array_get_optional_exclusive(ddata->dev); + devm_reset_control_get_optional(ddata->dev, "rstctrl"); if (IS_ERR(ddata->rsts)) return PTR_ERR(ddata->rsts); @@ -1420,7 +1420,7 @@ static int sysc_legacy_init(struct sysc *ddata) */ static int sysc_rstctrl_reset_deassert(struct sysc *ddata, bool reset) { - int error; + int error, val; if (!ddata->rsts) return 0; @@ -1431,7 +1431,14 @@ static int sysc_rstctrl_reset_deassert(struct sysc *ddata, bool reset) return error; } - return reset_control_deassert(ddata->rsts); + error = reset_control_deassert(ddata->rsts); + if (error == -EEXIST) + return 0; + + error = readx_poll_timeout(reset_control_status, ddata->rsts, val, + val == 0, 100, MAX_MODULE_SOFTRESET_WAIT); + + return error; } /* @@ -1489,12 +1496,8 @@ static int sysc_init_module(struct sysc *ddata) { int error = 0; bool manage_clocks = true; - bool reset = true; - if (ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) - reset = false; - - error = sysc_rstctrl_reset_deassert(ddata, reset); + error = sysc_rstctrl_reset_deassert(ddata, false); if (error) return error; @@ -1518,6 +1521,12 @@ static int sysc_init_module(struct sysc *ddata) goto err_opt_clocks; } + if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { + error = sysc_rstctrl_reset_deassert(ddata, true); + if (error) + goto err_main_clocks; + } + ddata->revision = sysc_read_revision(ddata); sysc_init_revision_quirks(ddata); |