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authorRajiv Andrade <srajiv@linux.vnet.ibm.com>2008-10-11 09:04:39 +1100
committerJames Morris <jmorris@namei.org>2008-10-11 09:04:39 +1100
commit253115b71fa06330bd58afbe01ccaf763a8a0cf1 (patch)
tree5b2ce62ca88fa461f7d3466361b8c4599ea82ea0 /drivers/char/tpm/tpm_tis.c
parentf02a93645e6200a9da0f26dac8ced28c612f5e86 (diff)
The tpm_dev_release function is only called for platform devices, not pnp
devices, so we implemented the .remove function for pnp ones. Since it's code is very similar to the one inside tpm_dev_release, we've created a helper function tpm_dev_vendor_release, which is called by both. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com> Cc: "Serge E. Hallyn" <serue@us.ibm.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
-rw-r--r--drivers/char/tpm/tpm_tis.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index ed1879c0dd8..717af7ad1bd 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -630,12 +630,23 @@ static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = {
{"", 0} /* Terminator */
};
+static __devexit void tpm_tis_pnp_remove(struct pnp_dev *dev)
+{
+ struct tpm_chip *chip = pnp_get_drvdata(dev);
+
+ tpm_dev_vendor_release(chip);
+
+ kfree(chip);
+}
+
+
static struct pnp_driver tis_pnp_driver = {
.name = "tpm_tis",
.id_table = tpm_pnp_tbl,
.probe = tpm_tis_pnp_init,
.suspend = tpm_tis_pnp_suspend,
.resume = tpm_tis_pnp_resume,
+ .remove = tpm_tis_pnp_remove,
};
#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
@@ -683,6 +694,7 @@ static void __exit cleanup_tis(void)
spin_lock(&tis_lock);
list_for_each_entry_safe(i, j, &tis_chips, list) {
chip = to_tpm_chip(i);
+ tpm_remove_hardware(chip->dev);
iowrite32(~TPM_GLOBAL_INT_ENABLE &
ioread32(chip->vendor.iobase +
TPM_INT_ENABLE(chip->vendor.
@@ -694,9 +706,9 @@ static void __exit cleanup_tis(void)
free_irq(chip->vendor.irq, chip);
iounmap(i->iobase);
list_del(&i->list);
- tpm_remove_hardware(chip->dev);
}
spin_unlock(&tis_lock);
+
if (force) {
platform_device_unregister(pdev);
driver_unregister(&tis_drv);