IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / zd1211rw / zd_usb.c

diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 31027e52b04b1f17b27f17c1272a0c1c7ee105ba..3faaeb2b7c89c9843c71cc1b5d953ba872a0be3c 100644 (file)
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -24,6 +24,7 @@
 #include <linux/errno.h>
 #include <linux/skbuff.h>
 #include <linux/usb.h>
+#include <linux/workqueue.h>
 #include <net/ieee80211.h>
 
 #include "zd_def.h"
@@ -407,7 +408,7 @@ static inline void handle_retry_failed_int(struct urb *urb)
 }
 
 
-static void int_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void int_urb_complete(struct urb *urb)
 {
        int r;
        struct usb_int_header *hdr;
@@ -608,7 +609,7 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
        }
 }
 
-static void rx_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void rx_urb_complete(struct urb *urb)
 {
        struct zd_usb *usb;
        struct zd_usb_rx *rx;
@@ -778,7 +779,7 @@ void zd_usb_disable_rx(struct zd_usb *usb)
        spin_unlock_irqrestore(&rx->lock, flags);
 }
 
-static void tx_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void tx_urb_complete(struct urb *urb)
 {
        int r;
 
@@ -1112,12 +1113,20 @@ static struct usb_driver driver = {
        .disconnect     = disconnect,
 };
 
+struct workqueue_struct *zd_workqueue;
+
 static int __init usb_init(void)
 {
        int r;
 
        pr_debug("usb_init()\n");
 
+       zd_workqueue = create_singlethread_workqueue(driver.name);
+       if (zd_workqueue == NULL) {
+               printk(KERN_ERR "%s: couldn't create workqueue\n", driver.name);
+               return -ENOMEM;
+       }
+
        r = usb_register(&driver);
        if (r) {
                printk(KERN_ERR "usb_register() failed. Error number %d\n", r);
@@ -1132,6 +1141,7 @@ static void __exit usb_exit(void)
 {
        pr_debug("usb_exit()\n");
        usb_deregister(&driver);
+       destroy_workqueue(zd_workqueue);
 }
 
 module_init(usb_init);