Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / drivers / char / tpm / tpm_tis.c

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 2678034..ee7ac6f 100644 (file)
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -330,7 +330,7 @@ out_err:
        return rc;
 }
 
-static struct file_operations tis_ops = {
+static const struct file_operations tis_ops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .open = tpm_open,
@@ -432,23 +432,19 @@ static int interrupts = 1;
 module_param(interrupts, bool, 0444);
 MODULE_PARM_DESC(interrupts, "Enable interrupts");
 
-static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
-                                     const struct pnp_device_id *pnp_id)
+static int tpm_tis_init(struct device *dev, resource_size_t start,
+                       resource_size_t len)
 {
        u32 vendor, intfcaps, intmask;
        int rc, i;
-       unsigned long start, len;
        struct tpm_chip *chip;
 
-       start = pnp_mem_start(pnp_dev, 0);
-       len = pnp_mem_len(pnp_dev, 0);
-
        if (!start)
                start = TIS_MEM_BASE;
        if (!len)
                len = TIS_MEM_LEN;
 
-       if (!(chip = tpm_register_hardware(&pnp_dev->dev, &tpm_tis)))
+       if (!(chip = tpm_register_hardware(dev, &tpm_tis)))
                return -ENODEV;
 
        chip->vendor.iobase = ioremap(start, len);
@@ -465,7 +461,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
        chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
        chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
 
-       dev_info(&pnp_dev->dev,
+       dev_info(dev,
                 "1.2 TPM (device-id 0x%X, rev-id %d)\n",
                 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
 
@@ -473,26 +469,26 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
        intfcaps =
            ioread32(chip->vendor.iobase +
                     TPM_INTF_CAPS(chip->vendor.locality));
-       dev_dbg(&pnp_dev->dev, "TPM interface capabilities (0x%x):\n",
+       dev_dbg(dev, "TPM interface capabilities (0x%x):\n",
                intfcaps);
        if (intfcaps & TPM_INTF_BURST_COUNT_STATIC)
-               dev_dbg(&pnp_dev->dev, "\tBurst Count Static\n");
+               dev_dbg(dev, "\tBurst Count Static\n");
        if (intfcaps & TPM_INTF_CMD_READY_INT)
-               dev_dbg(&pnp_dev->dev, "\tCommand Ready Int Support\n");
+               dev_dbg(dev, "\tCommand Ready Int Support\n");
        if (intfcaps & TPM_INTF_INT_EDGE_FALLING)
-               dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Falling\n");
+               dev_dbg(dev, "\tInterrupt Edge Falling\n");
        if (intfcaps & TPM_INTF_INT_EDGE_RISING)
-               dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Rising\n");
+               dev_dbg(dev, "\tInterrupt Edge Rising\n");
        if (intfcaps & TPM_INTF_INT_LEVEL_LOW)
-               dev_dbg(&pnp_dev->dev, "\tInterrupt Level Low\n");
+               dev_dbg(dev, "\tInterrupt Level Low\n");
        if (intfcaps & TPM_INTF_INT_LEVEL_HIGH)
-               dev_dbg(&pnp_dev->dev, "\tInterrupt Level High\n");
+               dev_dbg(dev, "\tInterrupt Level High\n");
        if (intfcaps & TPM_INTF_LOCALITY_CHANGE_INT)
-               dev_dbg(&pnp_dev->dev, "\tLocality Change Int Support\n");
+               dev_dbg(dev, "\tLocality Change Int Support\n");
        if (intfcaps & TPM_INTF_STS_VALID_INT)
-               dev_dbg(&pnp_dev->dev, "\tSts Valid Int Support\n");
+               dev_dbg(dev, "\tSts Valid Int Support\n");
        if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
-               dev_dbg(&pnp_dev->dev, "\tData Avail Int Support\n");
+               dev_dbg(dev, "\tData Avail Int Support\n");
 
        if (request_locality(chip, 0) != 0) {
                rc = -ENODEV;
@@ -523,7 +519,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
                        iowrite8(i, chip->vendor.iobase +
                                    TPM_INT_VECTOR(chip->vendor.locality));
                        if (request_irq
-                           (i, tis_int_probe, SA_SHIRQ,
+                           (i, tis_int_probe, IRQF_SHARED,
                             chip->vendor.miscdev.name, chip) != 0) {
                                dev_info(chip->dev,
                                         "Unable to request irq: %d for probe\n",
@@ -558,7 +554,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
                         chip->vendor.iobase +
                         TPM_INT_VECTOR(chip->vendor.locality));
                if (request_irq
-                   (chip->vendor.irq, tis_int_handler, SA_SHIRQ,
+                   (chip->vendor.irq, tis_int_handler, IRQF_SHARED,
                     chip->vendor.miscdev.name, chip) != 0) {
                        dev_info(chip->dev,
                                 "Unable to request irq: %d for use\n",
@@ -595,6 +591,16 @@ out_err:
        return rc;
 }
 
+static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
+                                     const struct pnp_device_id *pnp_id)
+{
+       resource_size_t start, len;
+       start = pnp_mem_start(pnp_dev, 0);
+       len = pnp_mem_len(pnp_dev, 0);
+
+       return tpm_tis_init(&pnp_dev->dev, start, len);
+}
+
 static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg)
 {
        return tpm_pm_suspend(&dev->dev, msg);
@@ -629,8 +635,36 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
                    sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
 MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
 
+static struct device_driver tis_drv = {
+       .name = "tpm_tis",
+       .bus = &platform_bus_type,
+       .owner = THIS_MODULE,
+       .suspend = tpm_pm_suspend,
+       .resume = tpm_pm_resume,
+};
+
+static struct platform_device *pdev;
+
+static int force;
+module_param(force, bool, 0444);
+MODULE_PARM_DESC(force, "Force device probe rather than using ACPI entry");
 static int __init init_tis(void)
 {
+       int rc;
+
+       if (force) {
+               rc = driver_register(&tis_drv);
+               if (rc < 0)
+                       return rc;
+               if (IS_ERR(pdev=platform_device_register_simple("tpm_tis", -1, NULL, 0)))
+                       return PTR_ERR(pdev);
+               if((rc=tpm_tis_init(&pdev->dev, 0, 0)) != 0) {
+                       platform_device_unregister(pdev);
+                       driver_unregister(&tis_drv);
+               }
+               return rc;
+       }
+
        return pnp_register_driver(&tis_pnp_driver);
 }
 
@@ -655,7 +689,11 @@ static void __exit cleanup_tis(void)
                tpm_remove_hardware(chip->dev);
        }
        spin_unlock(&tis_lock);
-       pnp_unregister_driver(&tis_pnp_driver);
+       if (force) {
+               platform_device_unregister(pdev);
+               driver_unregister(&tis_drv);
+       } else
+               pnp_unregister_driver(&tis_pnp_driver);
 }
 
 module_init(init_tis);