Commit c1995e5a authored Nov 16, 2020 by Tony Lindgren

soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted



If a rstctrl reset bit is already deasserted, we can just bail out early
not wait for rstst to clear. Otherwise we can have deassert fail for
already deasserted resets.

Fixes: c5117a78 ("soc: ti: omap-prm: poll for reset complete during de-assert")
Signed-off-by: Tony Lindgren <tony@atomide.com>

parent e7ae08d3

drivers/soc/ti/omap_prm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -484,6 +484,10 @@ static int omap_reset_deassert(struct reset_controller_dev *rcdev,
		struct ti_prm_platform_data *pdata = dev_get_platdata(reset->dev);
		int ret = 0;

		/* Nothing to do if the reset is already deasserted */
		if (!omap_reset_status(rcdev, id))
		return 0;

		has_rstst = reset->prm->data->rstst \|\|
		(reset->prm->data->flags & OMAP_PRM_HAS_RSTST);

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