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usb: dwc2: Make PHY optional

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Fixes commit 09a75e8577
("usb: dwc2: refactor common low-level hw code to platform.c")

The above commit consolidated the low-level phy access into a common
location. This change introduced a check from the gadget requiring
that a PHY is specified. This requirement never existed on the host
side and broke some platforms when it was moved into platform.c.

The gadget doesn't require the PHY either so remove the check.

Acked-by: Eric Anholt <[email protected]>
Reported-by: Stefan Wahren <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Signed-off-by: John Youn <[email protected]>
Tested-by: Marek Szyprowski <[email protected]>
Fixes: 09a75e8577 ("usb: dwc2: refactor common low-level hw code to platform.c")
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
John Youn 2015-11-13 17:02:10 +00:00 • committed by Felipe Balbi
commit d0464bcf12
1 changed files with 0 additions and 5 deletions
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5
drivers/usb/dwc2/platform.c
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@ -229,11 +229,6 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg)
hsotg->phyif = GUSBCFG_PHYIF8;
}
if (!hsotg->phy && !hsotg->uphy && !hsotg->plat) {
dev_err(hsotg->dev, "no platform data or transceiver defined\n");
return -EPROBE_DEFER;
}
/* Clock */
hsotg->clk = devm_clk_get(hsotg->dev, "otg");
if (IS_ERR(hsotg->clk)) {