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phy: stm32: defer probe for reset controller

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Change stm32-usbphyc driver to defer its probe when the expected reset
control has its probe operation deferred.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20201110102305.27205-2-amelie.delaunay@st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Amelie Delaunay 2020-11-10 11:23:05 +01:00 committed by Vinod Koul
parent f98130b345
commit 13ea8e0eee
1 changed files with 4 additions and 0 deletions
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4
drivers/phy/st/phy-stm32-usbphyc.c
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@ -340,6 +340,10 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
reset_control_assert(usbphyc->rst);
udelay(2);
reset_control_deassert(usbphyc->rst);
} else {
ret = PTR_ERR(usbphyc->rst);
if (ret == -EPROBE_DEFER)
goto clk_disable;
}
usbphyc->switch_setup = -EINVAL;