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remove linux 2.4 support from several packages
[openwrt.git] / package / broadcom-diag / src / diag.c
diff --git a/package/broadcom-diag/src/diag.c b/package/broadcom-diag/src/diag.c
index e47f281..11b8f42 100644 (file)
--- a/package/broadcom-diag/src/diag.c
+++ b/package/broadcom-diag/src/diag.c
@@ -19,7 +19,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
- * $Id$
  */
 #include <linux/module.h>
 #include <linux/pci.h>
  */
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -28,20 +27,12 @@
 #include <linux/timer.h>
 #include <linux/version.h>
 #include <asm/uaccess.h>
 #include <linux/timer.h>
 #include <linux/version.h>
 #include <asm/uaccess.h>
-
-#ifndef LINUX_2_4
 #include <linux/workqueue.h>
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
 #include <net/sock.h>
 extern struct sock *uevent_sock;
 extern u64 uevent_next_seqnum(void);
 #include <linux/workqueue.h>
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
 #include <net/sock.h>
 extern struct sock *uevent_sock;
 extern u64 uevent_next_seqnum(void);
-#else
-#include <linux/tqueue.h>
-#define INIT_WORK INIT_TQUEUE
-#define schedule_work schedule_task
-#define work_struct tq_struct
-#endif
 
 #include "gpio.h"
 #include "diag.h"
 
 #include "gpio.h"
 #include "diag.h"
@@ -55,19 +46,25 @@ module_param(gpiomask, int, 0644);
 enum {
        /* Linksys */
        WAP54GV1,
 enum {
        /* Linksys */
        WAP54GV1,
+       WAP54GV2,
        WAP54GV3,
        WRT54GV1,
        WRT54G,
        WRTSL54GS,
        WRT54G3G,
        WAP54GV3,
        WRT54GV1,
        WRT54G,
        WRTSL54GS,
        WRT54G3G,
+       WRT54G3GV2_VF,
+       WRT160N,
+       WRT300NV11,
        WRT350N,
        WRT600N,
        WRT600NV11,
        WRT350N,
        WRT600N,
        WRT600NV11,
+       WRT610N,
 
        /* ASUS */
        WLHDD,
        WL300G,
        WL320GE,
 
        /* ASUS */
        WLHDD,
        WL300G,
        WL320GE,
+       WL330GE,
        WL500G,
        WL500GD,
        WL500GP,
        WL500G,
        WL500GD,
        WL500GP,
@@ -122,11 +119,24 @@ enum {
 
        /* D-Link */
        DIR130,
 
        /* D-Link */
        DIR130,
+       DIR320,
        DIR330,
        DWL3150,
 
        /* Sitecom */
        WL105B,
        DIR330,
        DWL3150,
 
        /* Sitecom */
        WL105B,
+
+       /* Western Digital */
+       WDNetCenter,
+
+       /* Askey */
+       RT210W,
+
+       /* OvisLink */
+       WL1600GL,
+
+       /* Microsoft */
+       MN700,
 };
 
 static void __init bcm4780_init(void) {
 };
 
 static void __init bcm4780_init(void) {
@@ -143,15 +153,28 @@ static void __init bcm4780_init(void) {
                schedule_timeout(HZ * 5);
 }
 
                schedule_timeout(HZ * 5);
 }
 
+static void __init NetCenter_init(void) {
+               /* unset pin 6 (+12V) */
+               int pin = 1 << 6;
+               gpio_outen(pin, pin);
+               gpio_control(pin, 0);
+               gpio_out(pin, pin);
+               /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
+               pin = 1 << 1;
+               gpio_outen(pin, pin);
+               gpio_control(pin, 0);
+               gpio_out(pin, pin);
+               /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
+               bcm4780_init();
+}
+
 static void __init bcm57xx_init(void) {
        int pin = 1 << 2;
 
 static void __init bcm57xx_init(void) {
        int pin = 1 << 2;
 
-#ifndef LINUX_2_4
        /* FIXME: switch comes up, but port mappings/vlans not right */
        gpio_outen(pin, pin);
        gpio_control(pin, 0);
        gpio_out(pin, pin);
        /* FIXME: switch comes up, but port mappings/vlans not right */
        gpio_outen(pin, pin);
        gpio_control(pin, 0);
        gpio_out(pin, pin);
-#endif
 }
 
 static struct platform_t __initdata platforms[] = {
 }
 
 static struct platform_t __initdata platforms[] = {
@@ -166,6 +189,16 @@ static struct platform_t __initdata platforms[] = {
                        { .name = "wlan",       .gpio = 1 << 4 },
                },
        },
                        { .name = "wlan",       .gpio = 1 << 4 },
                },
        },
+       [WAP54GV2] = {
+               .name           = "Linksys WAP54G V2",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 0 },
+               },
+               .leds           = {
+                       { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
+                       /* GPIO 6 is b44 (eth0, LAN) PHY power */
+               },
+       },
        [WAP54GV3] = {
                .name           = "Linksys WAP54G V3",
                .buttons        = {
        [WAP54GV3] = {
                .name           = "Linksys WAP54G V3",
                .buttons        = {
@@ -229,6 +262,43 @@ static struct platform_t __initdata platforms[] = {
                        { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
                },
        },
                        { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
                },
        },
+       [WRT54G3GV2_VF] = {
+               .name           = "Linksys WRT54G3GV2-VF",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 6 },
+                       { .name = "3g",         .gpio = 1 << 4 },
+               },
+               .leds           = {
+                       { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
+                       { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
+                       { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
+               },
+       },
+       [WRT160N] = {
+               .name           = "Linksys WRT160N",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 6 },
+                       { .name = "ses",        .gpio = 1 << 4 },
+               },
+               .leds           = {
+                       { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
+                       { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
+                       { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
+               },
+       },
+       [WRT300NV11] = {
+               .name           = "Linksys WRT300N V1.1",
+               .buttons        = {
+                       { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
+                       { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
+               },
+               .leds           = {
+                       { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
+                       { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
+                       { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
+               },
+               .platform_init = bcm57xx_init,
+       },
        [WRT350N] = {
                .name           = "Linksys WRT350N",
                .buttons        = {
        [WRT350N] = {
                .name           = "Linksys WRT350N",
                .buttons        = {
@@ -276,6 +346,19 @@ static struct platform_t __initdata platforms[] = {
                },
                .platform_init = bcm57xx_init,
        },
                },
                .platform_init = bcm57xx_init,
        },
+       [WRT610N] = {
+               .name           = "Linksys WRT610N",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 6 },
+                       { .name = "ses",        .gpio = 1 << 8 },
+               },
+               .leds           = {
+                       { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
+                       { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
+                       { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
+                       { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
+               },
+       },
        /* Asus */
        [WLHDD] = {
                .name           = "ASUS WL-HDD",
        /* Asus */
        [WLHDD] = {
                .name           = "ASUS WL-HDD",
@@ -284,7 +367,7 @@ static struct platform_t __initdata platforms[] = {
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
-                       { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
+                       { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WL300G] = {
                },
        },
        [WL300G] = {
@@ -307,6 +390,15 @@ static struct platform_t __initdata platforms[] = {
                        { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
                },
        },
                        { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
                },
        },
+       [WL330GE] = {
+               .name           = "ASUS WL-330gE",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 2 },
+               },
+               .leds           = {
+                       { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
+               },
+       },
        [WL500G] = {
                .name           = "ASUS WL-500g",
                .buttons        = {
        [WL500G] = {
                .name           = "ASUS WL-500g",
                .buttons        = {
@@ -698,6 +790,20 @@ static struct platform_t __initdata platforms[] = {
                        { .name = "blue",       .gpio = 1 << 6},
                },
        },
                        { .name = "blue",       .gpio = 1 << 6},
                },
        },
+       [DIR320] = {
+               .name     = "D-Link DIR-320",
+               .buttons        = {
+                       { .name = "reserved",   .gpio = 1 << 6},
+                       { .name = "reset",      .gpio = 1 << 7},
+               },
+               .leds      = {
+                       { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
+                       { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
+                       { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
+                       { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
+                       { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
+               },
+       },
        [DIR330] = {
                .name     = "D-Link DIR-330",
                .buttons        = {
        [DIR330] = {
                .name     = "D-Link DIR-330",
                .buttons        = {
@@ -731,6 +837,53 @@ static struct platform_t __initdata platforms[] = {
                        { .name = "power",      .gpio = 1 << 3},
                },
        },
                        { .name = "power",      .gpio = 1 << 3},
                },
        },
+       /* Western Digital Net Center */
+       [WDNetCenter] = {
+               .name   = "Western Digital NetCenter",
+               .buttons        = {
+                       { .name = "power",      .gpio = 1 << 0},
+                       { .name = "reset",      .gpio = 1 << 7},
+               },
+               .platform_init = NetCenter_init,
+       },
+       /* Askey (and clones) */
+       [RT210W] = {
+               .name           = "Askey RT210W",
+               .buttons        = {
+                       /* Power button is hard-wired to hardware reset */
+                       /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
+                       { .name = "power",      .gpio = 1 << 7},
+               },
+               .leds           = {
+                       /* These were verified and named based on Belkin F5D4230-4 v1112 */
+                       { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
+                       { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
+                       { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
+               },
+       },
+       [WL1600GL] = {
+               .name           = "OvisLink WL-1600GL",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 3 },
+                       { .name = "ses",        .gpio = 1 << 4 },
+               },
+               .leds           = {
+                       { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
+                       { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
+                       { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
+                       { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
+               },
+       },
+       /* Microsoft */
+       [MN700] = {
+               .name   = "Microsoft MN-700",
+               .buttons        = {
+                       { .name = "reset",      .gpio = 1 << 7 },
+               },
+               .leds     = {
+                       { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
+               },
+       },
 };
 
 static struct platform_t __init *platform_detect(void)
 };
 
 static struct platform_t __init *platform_detect(void)
@@ -750,6 +903,12 @@ static struct platform_t __init *platform_detect(void)
                        return &platforms[DIR330];
        }
 
                        return &platforms[DIR330];
        }
 
+       /* Based on "wsc_modelname */
+       if ((buf = nvram_get("wsc_modelname"))) {
+               if (!strcmp(buf, "WRT610N"))
+                       return &platforms[WRT610N];
+       }
+
        /* Based on "model_no" */
        if ((buf = nvram_get("model_no"))) {
                if (startswith(buf,"WL700")) /* WL700* */
        /* Based on "model_no" */
        if ((buf = nvram_get("model_no"))) {
                if (startswith(buf,"WL700")) /* WL700* */
@@ -764,12 +923,16 @@ static struct platform_t __init *platform_detect(void)
                        return &platforms[WL520GC];
                if (startswith(buf,"WL520GU-")) /* WL520GU-* */
                        return &platforms[WL520GU];
                        return &platforms[WL520GC];
                if (startswith(buf,"WL520GU-")) /* WL520GU-* */
                        return &platforms[WL520GU];
+               if (startswith(buf,"WL330GE-")) /* WL330GE-* */
+                       return &platforms[WL330GE];
        }
 
        /* Based on "ModelId" */
        if ((buf = nvram_get("ModelId"))) {
                if (!strcmp(buf, "WR850GP"))
                        return &platforms[WR850GP];
        }
 
        /* Based on "ModelId" */
        if ((buf = nvram_get("ModelId"))) {
                if (!strcmp(buf, "WR850GP"))
                        return &platforms[WR850GP];
+               if (!strcmp(buf, "WR850G"))
+                       return &platforms[WR850GV2V3];
                if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
                        return &platforms[TM2300]; /* Dell TrueMobile 2300 */
                if (startswith(buf,"WE800G")) /* WE800G* */
                if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
                        return &platforms[TM2300]; /* Dell TrueMobile 2300 */
                if (startswith(buf,"WE800G")) /* WE800G* */
@@ -814,18 +977,33 @@ static struct platform_t __init *platform_detect(void)
        if (startswith(getvar("pmon_ver"), "CFE")) {
                /* CFE based - newer hardware */
                if (!strcmp(boardnum, "42")) { /* Linksys */
        if (startswith(getvar("pmon_ver"), "CFE")) {
                /* CFE based - newer hardware */
                if (!strcmp(boardnum, "42")) { /* Linksys */
+                       if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
+                               return &platforms[WRT300NV11];
+
                        if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
                                return &platforms[WRT350N];
 
                        if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
                                return &platforms[WRT54G3G];
 
                        if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
                                return &platforms[WRT350N];
 
                        if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
                                return &platforms[WRT54G3G];
 
+                       if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
+                               return &platforms[WRT54G3GV2_VF];
+
                        if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
                                return &platforms[WRTSL54GS];
 
                        if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
                                return &platforms[WRTSL54GS];
 
+                       if (!strcmp(boardtype, "0x0472"))
+                               return &platforms[WRT160N];
+
                        /* default to WRT54G */
                        return &platforms[WRT54G];
                }
                        /* default to WRT54G */
                        return &platforms[WRT54G];
                }
+               if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
+                       return &platforms[WAP54GV2];
+
+               if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
+                       return &platforms[WL1600GL];
+
 
                if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
                        if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
 
                if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
                        if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
@@ -849,6 +1027,14 @@ static struct platform_t __init *platform_detect(void)
                if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
                        return &platforms[SE505V2];
 
                if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
                        return &platforms[SE505V2];
 
+               if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
+                               !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
+                       return &platforms[DIR320];
+
+               if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
+                       return &platforms[WDNetCenter];
+               }
+
        } else { /* PMON based - old stuff */
                if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
                        (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
        } else { /* PMON based - old stuff */
                if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
                        (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
@@ -860,8 +1046,13 @@ static struct platform_t __init *platform_detect(void)
                        if (simple_strtoul(boardnum, NULL, 0) == 2)
                                return &platforms[WAP54GV1];
                }
                        if (simple_strtoul(boardnum, NULL, 0) == 2)
                                return &platforms[WAP54GV1];
                }
-               if (startswith(getvar("hardware_version"), "WL500-"))
-                       return &platforms[WL500G];
+               /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
+               if (startswith(getvar("hardware_version"), "WL500-")) {
+                       if (!strcmp(getvar("boardnum"), "mn700"))
+                               return &platforms[MN700];
+                       else
+                               return &platforms[WL500G];
+               }
                if (startswith(getvar("hardware_version"), "WL300-")) {
                        /* Either WL-300g or WL-HDD, do more extensive checks */
                        if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
                if (startswith(getvar("hardware_version"), "WL300-")) {
                        /* Either WL-300g or WL-HDD, do more extensive checks */
                        if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
@@ -878,6 +1069,18 @@ static struct platform_t __init *platform_detect(void)
                /* unknown asus stuff, probably bcm4702 */
                if (startswith(boardnum, "asusX"))
                        return &platforms[ASUS_4702];
                /* unknown asus stuff, probably bcm4702 */
                if (startswith(boardnum, "asusX"))
                        return &platforms[ASUS_4702];
+
+               /* bcm4702 based Askey RT210W clones, Including:
+                * Askey RT210W (duh?)
+                * Siemens SE505v1
+                * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
+                */
+               if (!strcmp(boardtype,"bcm94710r4")
+                && !strcmp(boardnum ,"100")
+                && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
+                  ){
+                       return &platforms[RT210W];
+               }
        }
 
        if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
        }
 
        if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
@@ -932,7 +1135,6 @@ static void unregister_buttons(struct button_t *b)
 }
 
 
 }
 
 
-#ifndef LINUX_2_4
 static void add_msg(struct event_t *event, char *msg, int argv)
 {
        char *s;
 static void add_msg(struct event_t *event, char *msg, int argv)
 {
        char *s;
@@ -964,43 +1166,6 @@ static void hotplug_button(struct work_struct *work)
        kfree(event);
 }
 
        kfree(event);
 }
 
-#else /* !LINUX_2_4 */
-static inline char *kzalloc(unsigned int size, unsigned int gfp)
-{
-       char *p;
-
-       p = kmalloc(size, gfp);
-       if (p == NULL)
-               return NULL;
-
-       memset(p, 0, size);
-
-       return p;
-}
-
-static void add_msg(struct event_t *event, char *msg, int argv)
-{
-       if (argv)
-               event->argv[event->anr++] = event->scratch;
-       else
-               event->envp[event->enr++] = event->scratch;
-
-       event->scratch += sprintf(event->scratch, "%s", msg) + 1;
-}
-
-static void hotplug_button(struct event_t *event)
-{
-       char *scratch = kzalloc(256, GFP_KERNEL);
-       event->scratch = scratch;
-
-       add_msg(event, hotplug_path, 1);
-       add_msg(event, "button", 1);
-       fill_event(event);
-       call_usermodehelper (event->argv[0], event->argv, event->envp);
-       kfree(scratch);
-       kfree(event);
-}
-#endif /* !LINUX_2_4 */
 
 static int fill_event (struct event_t *event)
 {
 
 static int fill_event (struct event_t *event)
 {
@@ -1015,20 +1180,14 @@ static int fill_event (struct event_t *event)
        add_msg(event, buf, 0);
        snprintf(buf, 128, "SEEN=%ld", event->seen);
        add_msg(event, buf, 0);
        add_msg(event, buf, 0);
        snprintf(buf, 128, "SEEN=%ld", event->seen);
        add_msg(event, buf, 0);
-#ifndef LINUX_2_4
        snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
        add_msg(event, buf, 0);
        snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
        add_msg(event, buf, 0);
-#endif
 
        return 0;
 }
 
 
 
        return 0;
 }
 
 
-#ifndef LINUX_2_4
 static irqreturn_t button_handler(int irq, void *dev_id)
 static irqreturn_t button_handler(int irq, void *dev_id)
-#else
-static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
-#endif
 {
        struct button_t *b;
        u32 in, changed;
 {
        struct button_t *b;
        u32 in, changed;
@@ -1051,11 +1210,7 @@ static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
                        event->seen = (jiffies - b->seen)/HZ;
                        event->name = b->name;
                        event->action = b->pressed ? "pressed" : "released";
                        event->seen = (jiffies - b->seen)/HZ;
                        event->name = b->name;
                        event->action = b->pressed ? "pressed" : "released";
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
                        INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
                        INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
-#else
-                       INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
-#endif
                        schedule_work(&event->wq);
                }
 
                        schedule_work(&event->wq);
                }
 
@@ -1149,12 +1304,7 @@ static void led_flash(unsigned long dummy) {
 
 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
 {
 
 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
 {
-#ifdef LINUX_2_4
-       struct inode *inode = file->f_dentry->d_inode;
-       struct proc_dir_entry *dent = inode->u.generic_ip;
-#else
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
-#endif
        char *page;
        int len = 0;
 
        char *page;
        int len = 0;
 
@@ -1207,12 +1357,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
 
 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
 {
 
 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
 {
-#ifdef LINUX_2_4
-       struct inode *inode = file->f_dentry->d_inode;
-       struct proc_dir_entry *dent = inode->u.generic_ip;
-#else
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
-#endif
        char *page;
        int ret = -EINVAL;
 
        char *page;
        int ret = -EINVAL;
 
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