Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / arm / mach-s3c2410 / usb-simtec.c

diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index 7f2b613..495f8c6 100644 (file)
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s3c2410/usb-simtec.c
  *
- * Copyright (c) 2004 Simtec Electronics
+ * Copyright (c) 2004,2005 Simtec Electronics
  *   Ben Dooks <ben@simtec.co.uk>
  *
  * http://www.simtec.co.uk/products/EB2410ITX/
@@ -14,6 +14,8 @@
  * Modifications:
  *     14-Sep-2004 BJD  Created
  *     18-Oct-2004 BJD  Cleanups, and added code to report OC cleared
+ *     09-Aug-2005 BJD  Renamed s3c2410_report_oc to s3c2410_usb_report_oc
+ *     09-Aug-2005 BJD  Ports powered only if both are enabled
 */
 
 #define DEBUG
@@ -38,7 +40,6 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/mach-types.h>
 
 #include "devs.h"
 #include "usb-simtec.h"
@@ -47,13 +48,19 @@
  * designed boards.
 */
 
+static unsigned int power_state[2];
+
 static void
 usb_simtec_powercontrol(int port, int to)
 {
        pr_debug("usb_simtec_powercontrol(%d,%d)\n", port, to);
 
-       if (port == 1)
-               s3c2410_gpio_setpin(S3C2410_GPB4, to ? 0:1);
+       power_state[port] = to;
+
+       if (power_state[0] && power_state[1])
+               s3c2410_gpio_setpin(S3C2410_GPB4, 0);
+       else
+               s3c2410_gpio_setpin(S3C2410_GPB4, 1);
 }
 
 static irqreturn_t
@@ -63,10 +70,10 @@ usb_simtec_ocirq(int irq, void *pw, struct pt_regs *regs)
 
        if (s3c2410_gpio_getpin(S3C2410_GPG10) == 0) {
                pr_debug("usb_simtec: over-current irq (oc detected)\n");
-               s3c2410_report_oc(info, 3);
+               s3c2410_usb_report_oc(info, 3);
        } else {
                pr_debug("usb_simtec: over-current irq (oc cleared)\n");
-               s3c2410_report_oc(info, 0);
+               s3c2410_usb_report_oc(info, 0);
        }
 
        return IRQ_HANDLED;
@@ -77,13 +84,13 @@ static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on)
        int ret;
 
        if (on) {
-               ret = request_irq(IRQ_USBOC, usb_simtec_ocirq, SA_INTERRUPT,
+               ret = request_irq(IRQ_USBOC, usb_simtec_ocirq,
+                                 SA_INTERRUPT | SA_TRIGGER_RISING |
+                                  SA_TRIGGER_FALLING,
                                  "USB Over-current", info);
                if (ret != 0) {
                        printk(KERN_ERR "failed to request usb oc irq\n");
                }
-
-               set_irq_type(IRQ_USBOC, IRQT_BOTHEDGE);
        } else {
                free_irq(IRQ_USBOC, info);
        }