Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil...
[pandora-kernel.git] / drivers / usb / atm / cxacru.c
index 9d59dc6..e656563 100644 (file)
@@ -36,6 +36,7 @@
 #include <linux/init.h>
 #include <linux/device.h>      /* FIXME: linux/firmware.h should include it itself */
 #include <linux/firmware.h>
+#include <linux/mutex.h>
 
 #include "usbatm.h"
 
@@ -160,7 +161,7 @@ struct cxacru_data {
        struct work_struct poll_work;
 
        /* contol handles */
-       struct semaphore cm_serialize;
+       struct mutex cm_serialize;
        u8 *rcv_buf;
        u8 *snd_buf;
        struct urb *rcv_urb;
@@ -170,7 +171,7 @@ struct cxacru_data {
 };
 
 /* the following three functions are stolen from drivers/usb/core/message.c */
-static void cxacru_blocking_completion(struct urb *urb, struct pt_regs *regs)
+static void cxacru_blocking_completion(struct urb *urb)
 {
        complete((struct completion *)urb->context);
 }
@@ -219,7 +220,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
                goto fail;
        }
 
-       down(&instance->cm_serialize);
+       mutex_lock(&instance->cm_serialize);
 
        /* submit reading urb before the writing one */
        init_completion(&instance->rcv_done);
@@ -288,7 +289,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
        ret = offd;
        dbg("cm %#x", cm);
 fail:
-       up(&instance->cm_serialize);
+       mutex_unlock(&instance->cm_serialize);
        return ret;
 }
 
@@ -352,7 +353,6 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
                struct atm_dev *atm_dev)
 {
        struct cxacru_data *instance = usbatm_instance->driver_data;
-       struct device *dev = &usbatm_instance->usb_intf->dev;
        /*
        struct atm_dev *atm_dev = usbatm_instance->atm_dev;
        */
@@ -364,14 +364,14 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
        ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0,
                        atm_dev->esi, sizeof(atm_dev->esi));
        if (ret < 0) {
-               dev_err(dev, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret);
+               atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret);
                return ret;
        }
 
        /* start ADSL */
        ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0);
        if (ret < 0) {
-               dev_err(dev, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret);
+               atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret);
                return ret;
        }
 
@@ -383,13 +383,13 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
 static void cxacru_poll_status(struct cxacru_data *instance)
 {
        u32 buf[CXINF_MAX] = {};
-       struct device *dev = &instance->usbatm->usb_intf->dev;
-       struct atm_dev *atm_dev = instance->usbatm->atm_dev;
+       struct usbatm_data *usbatm = instance->usbatm;
+       struct atm_dev *atm_dev = usbatm->atm_dev;
        int ret;
 
        ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX);
        if (ret < 0) {
-               dev_warn(dev, "poll status: error %d\n", ret);
+               atm_warn(usbatm, "poll status: error %d\n", ret);
                goto reschedule;
        }
 
@@ -400,50 +400,50 @@ static void cxacru_poll_status(struct cxacru_data *instance)
        switch (instance->line_status) {
        case 0:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: down\n");
+               atm_info(usbatm, "ADSL line: down\n");
                break;
 
        case 1:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: attemtping to activate\n");
+               atm_info(usbatm, "ADSL line: attempting to activate\n");
                break;
 
        case 2:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: training\n");
+               atm_info(usbatm, "ADSL line: training\n");
                break;
 
        case 3:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: channel analysis\n");
+               atm_info(usbatm, "ADSL line: channel analysis\n");
                break;
 
        case 4:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: exchange\n");
+               atm_info(usbatm, "ADSL line: exchange\n");
                break;
 
        case 5:
                atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424;
                atm_dev->signal = ATM_PHY_SIG_FOUND;
 
-               dev_info(dev, "ADSL line: up (%d kb/s down | %d kb/s up)\n",
+               atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n",
                     buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]);
                break;
 
        case 6:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: waiting\n");
+               atm_info(usbatm, "ADSL line: waiting\n");
                break;
 
        case 7:
                atm_dev->signal = ATM_PHY_SIG_LOST;
-               dev_info(dev, "ADSL line: initializing\n");
+               atm_info(usbatm, "ADSL line: initializing\n");
                break;
 
        default:
                atm_dev->signal = ATM_PHY_SIG_UNKNOWN;
-               dev_info(dev, "Unknown line state %02x\n", instance->line_status);
+               atm_info(usbatm, "Unknown line state %02x\n", instance->line_status);
                break;
        }
 reschedule:
@@ -504,8 +504,8 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 {
        int ret;
        int off;
-       struct usb_device *usb_dev = instance->usbatm->usb_dev;
-       struct device *dev = &instance->usbatm->usb_intf->dev;
+       struct usbatm_data *usbatm = instance->usbatm;
+       struct usb_device *usb_dev = usbatm->usb_dev;
        u16 signature[] = { usb_dev->descriptor.idVendor, usb_dev->descriptor.idProduct };
        u32 val;
 
@@ -515,7 +515,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
        val = cpu_to_le32(instance->modem_type->pll_f_clk);
        ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4);
        if (ret) {
-               dev_err(dev, "FirmwarePllFClkValue failed: %d\n", ret);
+               usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret);
                return;
        }
 
@@ -523,7 +523,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
        val = cpu_to_le32(instance->modem_type->pll_b_clk);
        ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4);
        if (ret) {
-               dev_err(dev, "FirmwarePllBClkValue failed: %d\n", ret);
+               usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret);
                return;
        }
 
@@ -531,14 +531,14 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
        val = cpu_to_le32(SDRAM_ENA);
        ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4);
        if (ret) {
-               dev_err(dev, "Enable SDRAM failed: %d\n", ret);
+               usb_err(usbatm, "Enable SDRAM failed: %d\n", ret);
                return;
        }
 
        /* Firmware */
        ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size);
        if (ret) {
-               dev_err(dev, "Firmware upload failed: %d\n", ret);
+               usb_err(usbatm, "Firmware upload failed: %d\n", ret);
                return;
        }
 
@@ -546,7 +546,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
        if (instance->modem_type->boot_rom_patch) {
                ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size);
                if (ret) {
-                       dev_err(dev, "Boot ROM patching failed: %d\n", ret);
+                       usb_err(usbatm, "Boot ROM patching failed: %d\n", ret);
                        return;
                }
        }
@@ -554,7 +554,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
        /* Signature */
        ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4);
        if (ret) {
-               dev_err(dev, "Signature storing failed: %d\n", ret);
+               usb_err(usbatm, "Signature storing failed: %d\n", ret);
                return;
        }
 
@@ -566,7 +566,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
                ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0);
        }
        if (ret) {
-               dev_err(dev, "Passing control to firmware failed: %d\n", ret);
+               usb_err(usbatm, "Passing control to firmware failed: %d\n", ret);
                return;
        }
 
@@ -580,7 +580,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 
        ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0);
        if (ret < 0) {
-               dev_err(dev, "modem failed to initialize: %d\n", ret);
+               usb_err(usbatm, "modem failed to initialize: %d\n", ret);
                return;
        }
 
@@ -597,7 +597,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
                        ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET,
                                        (u8 *) buf, len, NULL, 0);
                        if (ret < 0) {
-                               dev_err(dev, "load config data failed: %d\n", ret);
+                               usb_err(usbatm, "load config data failed: %d\n", ret);
                                return;
                        }
                }
@@ -608,18 +608,19 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 static int cxacru_find_firmware(struct cxacru_data *instance,
                                char* phase, const struct firmware **fw_p)
 {
-       struct device *dev = &instance->usbatm->usb_intf->dev;
+       struct usbatm_data *usbatm = instance->usbatm;
+       struct device *dev = &usbatm->usb_intf->dev;
        char buf[16];
 
        sprintf(buf, "cxacru-%s.bin", phase);
        dbg("cxacru_find_firmware: looking for %s", buf);
 
        if (request_firmware(fw_p, buf, dev)) {
-               dev_dbg(dev, "no stage %s firmware found\n", phase);
+               usb_dbg(usbatm, "no stage %s firmware found\n", phase);
                return -ENOENT;
        }
 
-       dev_info(dev, "found firmware %s\n", buf);
+       usb_info(usbatm, "found firmware %s\n", buf);
 
        return 0;
 }
@@ -627,20 +628,19 @@ static int cxacru_find_firmware(struct cxacru_data *instance,
 static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
                             struct usb_interface *usb_intf)
 {
-       struct device *dev = &usbatm_instance->usb_intf->dev;
        const struct firmware *fw, *bp, *cf;
        struct cxacru_data *instance = usbatm_instance->driver_data;
 
        int ret = cxacru_find_firmware(instance, "fw", &fw);
        if (ret) {
-               dev_warn(dev, "firmware (cxacru-fw.bin) unavailable (hotplug misconfiguration?)\n");
+               usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n");
                return ret;
        }
 
        if (instance->modem_type->boot_rom_patch) {
                ret = cxacru_find_firmware(instance, "bp", &bp);
                if (ret) {
-                       dev_warn(dev, "boot ROM patch (cxacru-bp.bin) unavailable (hotplug misconfiguration?)\n");
+                       usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n");
                        release_firmware(fw);
                        return ret;
                }
@@ -667,22 +667,19 @@ static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
 }
 
 static int cxacru_bind(struct usbatm_data *usbatm_instance,
-                      struct usb_interface *intf, const struct usb_device_id *id,
-                      int *need_heavy_init)
+                      struct usb_interface *intf, const struct usb_device_id *id)
 {
        struct cxacru_data *instance;
        struct usb_device *usb_dev = interface_to_usbdev(intf);
        int ret;
 
        /* instance init */
-       instance = kmalloc(sizeof(*instance), GFP_KERNEL);
+       instance = kzalloc(sizeof(*instance), GFP_KERNEL);
        if (!instance) {
                dbg("cxacru_bind: no memory for instance data");
                return -ENOMEM;
        }
 
-       memset(instance, 0, sizeof(*instance));
-
        instance->usbatm = usbatm_instance;
        instance->modem_type = (struct cxacru_modem_type *) id->driver_info;
 
@@ -721,13 +718,13 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance,
                        instance->snd_buf, PAGE_SIZE,
                        cxacru_blocking_completion, &instance->snd_done, 4);
 
-       init_MUTEX(&instance->cm_serialize);
+       mutex_init(&instance->cm_serialize);
 
        INIT_WORK(&instance->poll_work, (void *)cxacru_poll_status, instance);
 
        usbatm_instance->driver_data = instance;
 
-       *need_heavy_init = cxacru_card_status(instance);
+       usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT);
 
        return 0;
 
@@ -787,15 +784,18 @@ static const struct usb_device_id cxacru_usb_ids[] = {
        { /* V = Conexant                       P = ADSL modem (Hasbani project)        */
                USB_DEVICE(0x0572, 0xcb00),     .driver_info = (unsigned long) &cxacru_cb00
        },
-       { /* V = Conexant             P = ADSL modem (Well PTI-800 */
-               USB_DEVICE(0x0572, 0xcb02),     .driver_info = (unsigned long) &cxacru_cb00
-       },
        { /* V = Conexant                       P = ADSL modem                          */
                USB_DEVICE(0x0572, 0xcb01),     .driver_info = (unsigned long) &cxacru_cb00
        },
+       { /* V = Conexant                       P = ADSL modem (Well PTI-800) */
+               USB_DEVICE(0x0572, 0xcb02),     .driver_info = (unsigned long) &cxacru_cb00
+       },
        { /* V = Conexant                       P = ADSL modem                          */
                USB_DEVICE(0x0572, 0xcb06),     .driver_info = (unsigned long) &cxacru_cb00
        },
+       { /* V = Conexant                       P = ADSL modem (ZTE ZXDSL 852)          */
+               USB_DEVICE(0x0572, 0xcb07),     .driver_info = (unsigned long) &cxacru_cb00
+       },
        { /* V = Olitec                         P = ADSL modem version 2                */
                USB_DEVICE(0x08e3, 0x0100),     .driver_info = (unsigned long) &cxacru_cafe
        },
@@ -835,14 +835,13 @@ static const struct usb_device_id cxacru_usb_ids[] = {
 MODULE_DEVICE_TABLE(usb, cxacru_usb_ids);
 
 static struct usbatm_driver cxacru_driver = {
-       .owner          = THIS_MODULE,
        .driver_name    = cxacru_driver_name,
        .bind           = cxacru_bind,
        .heavy_init     = cxacru_heavy_init,
        .unbind         = cxacru_unbind,
        .atm_start      = cxacru_atm_start,
-       .in             = CXACRU_EP_DATA,
-       .out            = CXACRU_EP_DATA,
+       .bulk_in        = CXACRU_EP_DATA,
+       .bulk_out       = CXACRU_EP_DATA,
        .rx_padding     = 3,
        .tx_padding     = 11,
 };
@@ -853,7 +852,6 @@ static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_
 }
 
 static struct usb_driver cxacru_usb_driver = {
-       .owner          = THIS_MODULE,
        .name           = cxacru_driver_name,
        .probe          = cxacru_usb_probe,
        .disconnect     = usbatm_usb_disconnect,