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usb: dwc2: simplify wait_for_chhltd

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toggle is never NULL. Simplify the code by removing handling of when it
is NULL.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Stephen Warren 2015-03-07 22:48:55 -07:00 • committed by Marek Vasut
parent 282685e07e
commit 66ffc87586
1 changed files with 2 additions and 4 deletions
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6
drivers/usb/host/dwc2.c
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@ -724,11 +724,9 @@ int wait_for_chhltd(uint32_t *sub, int *toggle)
hctsiz = readl(&hc_regs->hctsiz);
*sub = (hctsiz & DWC2_HCTSIZ_XFERSIZE_MASK) >>
DWC2_HCTSIZ_XFERSIZE_OFFSET;
if (toggle)
*toggle = (hctsiz & DWC2_HCTSIZ_PID_MASK) >>
DWC2_HCTSIZ_PID_OFFSET;
*toggle = (hctsiz & DWC2_HCTSIZ_PID_MASK) >> DWC2_HCTSIZ_PID_OFFSET;
debug("%s: sub=%u toggle=%d\n", __func__, *sub, toggle ? *toggle : -1);
debug("%s: sub=%u toggle=%d\n", __func__, *sub, *toggle);
return 0;
}