From: Peter Chen Date: Mon, 17 Aug 2015 02:23:03 +0000 (+0800) Subject: usb: host: ehci-sys: delete useless bus_to_hcd conversion X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0521cfd06e1ebcd575e7ae36aab068b38df23850;p=linux-beck.git 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: Signed-off-by: Peter Chen Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c index 5e44407aa099..5216f2b09d63 100644 --- a/drivers/usb/host/ehci-sysfs.c +++ b/drivers/usb/host/ehci-sysfs.c @@ -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;