Commit 0521cfd0 authored by Peter Chen's avatar Peter Chen Committed by Greg Kroah-Hartman
Browse files

usb: host: ehci-sys: delete useless bus_to_hcd conversion 



The ehci platform device's drvdata is the pointer of struct usb_hcd
already, so we doesn't need to call bus_to_hcd conversion again.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarPeter Chen <peter.chen@freescale.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 475908bc

drivers/usb/host/ehci-sysfs.c

+4 −4
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ static ssize_t show_companion(struct device *dev, 
	int			count = PAGE_SIZE;

	char			*ptr = buf;



	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));

	ehci = hcd_to_ehci(dev_get_drvdata(dev));

	nports = HCS_N_PORTS(ehci->hcs_params);



	for (index = 0; index < nports; ++index) {
@@ -54,7 +54,7 @@ static ssize_t store_companion(struct device *dev, 
	struct ehci_hcd		*ehci;

	int			portnum, new_owner;



	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));

	ehci = hcd_to_ehci(dev_get_drvdata(dev));

	new_owner = PORT_OWNER;		/* Owned by companion */

	if (sscanf(buf, "%d", &portnum) != 1)

		return -EINVAL;
@@ -85,7 +85,7 @@ static ssize_t show_uframe_periodic_max(struct device *dev, 
	struct ehci_hcd		*ehci;

	int			n;



	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));

	ehci = hcd_to_ehci(dev_get_drvdata(dev));

	n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max);

	return n;

}
@@ -101,7 +101,7 @@ static ssize_t store_uframe_periodic_max(struct device *dev, 
	unsigned long		flags;

	ssize_t			ret;



	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));

	ehci = hcd_to_ehci(dev_get_drvdata(dev));

	if (kstrtouint(buf, 0, &uframe_periodic_max) < 0)

		return -EINVAL;

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