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Code Issues Releases Wiki Activity

USB: ehci-mxc: remove Efika MX-specific CHRGVBUS hack

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Since Efika MX platform support (pre-devicetree) was removed from the tree
this code no longer has any possibility of running and clutters up the
driver which is being replaced by the chipidea host in the future anyway.

Signed-off-by: Matt Sealey <matt@genesi-usa.com>
Tested-by: Steev Klimazewski <steev@genesi-usa.com>
CC: Sascha Hauer <kernel@pengutronix.de>
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matt Sealey 2012-12-23 05:18:21 -06:00 committed by Greg Kroah-Hartman
parent 430ee58e03
commit c0304996ba
1 changed files with 0 additions and 20 deletions
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20
drivers/usb/host/ehci-mxc.c
View file

@ -94,7 +94,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
struct usb_hcd *hcd;
struct resource *res;
int irq, ret;
unsigned int flags;
struct ehci_mxc_priv *priv;
struct device *dev = &pdev->dev;
struct ehci_hcd *ehci;
@ -205,25 +204,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
if (ret)
goto err_add;
if (pdata->otg) {
/*
* efikamx and efikasb have some hardware bug which is
* preventing usb to work unless CHRGVBUS is set.
* It's in violation of USB specs
*/
if (machine_is_mx51_efikamx() || machine_is_mx51_efikasb()) {
flags = usb_phy_io_read(pdata->otg,
ULPI_OTG_CTRL);
flags |= ULPI_OTG_CTRL_CHRGVBUS;
ret = usb_phy_io_write(pdata->otg, flags,
ULPI_OTG_CTRL);
if (ret) {
dev_err(dev, "unable to set CHRVBUS\n");
goto err_add;
}
}
}
return 0;
err_add: