diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/ti/omap_prm.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c index ea64e187854e..f32e1cbbe8c5 100644 --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -825,25 +825,28 @@ static int omap_reset_deassert(struct reset_controller_dev *rcdev, writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl); spin_unlock_irqrestore(&reset->lock, flags); - if (!has_rstst) - goto exit; + /* wait for the reset bit to clear */ + ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + + reset->prm->data->rstctrl, + v, !(v & BIT(id)), 1, + OMAP_RESET_MAX_WAIT); + if (ret) + pr_err("%s: timedout waiting for %s:%lu\n", __func__, + reset->prm->data->name, id); /* wait for the status to be set */ - ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + + if (has_rstst) { + ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + reset->prm->data->rstst, v, v & BIT(st_bit), 1, OMAP_RESET_MAX_WAIT); - if (ret) - pr_err("%s: timedout waiting for %s:%lu\n", __func__, - reset->prm->data->name, id); + if (ret) + pr_err("%s: timedout waiting for %s:%lu\n", __func__, + reset->prm->data->name, id); + } -exit: - if (reset->clkdm) { - /* At least dra7 iva needs a delay before clkdm idle */ - if (has_rstst) - udelay(1); + if (reset->clkdm) pdata->clkdm_allow_idle(reset->clkdm); - } return ret; } |