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| author |  Amelie Delaunay <amelie.delaunay@st.com>
| 2020-11-10 11:23:05 +0100 |
|---|---|---|
| committer |  Vinod Koul <vkoul@kernel.org>
| 2020-11-16 15:19:03 +0530 |
| commit | 13ea8e0eee4580686a9d2993ac64938cb5141526 (patch) | |
| tree | eb7ff555fb91e3721d765c9214a53d6429719749 /drivers/phy/st/phy-stm32-usbphyc.c | |
| parent | phy: stm32: don't print an error on probe deferral (diff) | |
| download | linux-13ea8e0eee4580686a9d2993ac64938cb5141526.tar.gz linux-13ea8e0eee4580686a9d2993ac64938cb5141526.tar.bz2 linux-13ea8e0eee4580686a9d2993ac64938cb5141526.zip | |
phy: stm32: defer probe for reset controller
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>
Diffstat (limited to 'drivers/phy/st/phy-stm32-usbphyc.c')
| -rw-r--r-- | drivers/phy/st/phy-stm32-usbphyc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c index 8ebfd567d407..a54317e96c41 100644 --- a/drivers/phy/st/phy-stm32-usbphyc.c +++ b/drivers/phy/st/phy-stm32-usbphyc.c @@ -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; |