]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - arch/arm/mach-s3c2410/usb-simtec.c
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[mv-sheeva.git] / arch / arm / mach-s3c2410 / usb-simtec.c
index 7f2b61362976b088a5c8126f4f7915082062b307..5098b50158a332ce81b8bdd36945c5916d9f8cb3 100644 (file)
@@ -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"
  * 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;