[PATCH] remove some USB_SUSPEND dependencies

[firefly-linux-kernel-4.4.55.git] / drivers / usb / host / ohci-hcd.c

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 6efb69f7c0752396384716a65000ce8fbbb85103..c26ab5f2a40304542a3036f6910de162940f644a 100644 (file)
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -180,7 +180,7 @@ static int ohci_urb_enqueue (
        struct usb_hcd  *hcd,
        struct usb_host_endpoint *ep,
        struct urb      *urb,
-       unsigned        mem_flags
+       gfp_t           mem_flags
 ) {
        struct ohci_hcd *ohci = hcd_to_ohci (hcd);
        struct ed       *ed;
@@ -484,6 +484,10 @@ static int ohci_init (struct ohci_hcd *ohci)
        // flush the writes
        (void) ohci_readl (ohci, &ohci->regs->control);
 
+       /* Read the number of ports unless overridden */
+       if (ohci->num_ports == 0)
+               ohci->num_ports = roothub_a(ohci) & RH_A_NDP;
+
        if (ohci->hcca)
                return 0;
 
@@ -560,10 +564,8 @@ static int ohci_run (struct ohci_hcd *ohci)
        msleep(temp);
        temp = roothub_a (ohci);
        if (!(temp & RH_A_NPS)) {
-               unsigned ports = temp & RH_A_NDP; 
-
                /* power down each port */
-               for (temp = 0; temp < ports; temp++)
+               for (temp = 0; temp < ohci->num_ports; temp++)
                        ohci_writel (ohci, RH_PS_LSDA,
                                &ohci->regs->roothub.portstatus [temp]);
        }
@@ -789,7 +791,7 @@ static void ohci_stop (struct usb_hcd *hcd)
 
 /* must not be called from interrupt context */
 
-#if    defined(CONFIG_USB_SUSPEND) || defined(CONFIG_PM)
+#ifdef CONFIG_PM
 
 static int ohci_restart (struct ohci_hcd *ohci)
 {
@@ -861,7 +863,7 @@ static int ohci_restart (struct ohci_hcd *ohci)
                 * and that if we try to turn them back on the root hub
                 * will respond to CSC processing.
                 */
-               i = roothub_a (ohci) & RH_A_NDP;
+               i = ohci->num_ports;
                while (i--)
                        ohci_writel (ohci, RH_PS_PSS,
                                &ohci->regs->roothub.portstatus [temp]);