From 1b3aab36d225589567bedc755f0255e1c460915c Mon Sep 17 00:00:00 2001
From: Matt Sealey <matt@genesi-usa.com>
Date: Sun, 23 Dec 2012 05:18:21 -0600
Subject: [PATCH] USB: ehci-mxc: remove Efika MX-specific CHRGVBUS hack
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>
---
drivers/usb/host/ehci-mxc.c | 20 --------------------
1 file changed, 20 deletions(-)
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ec7f5d2c90de3..6b8c1584065f5 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -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:
--
2.39.5