libata: remove unused functions
Now that all LLDs are converted to use devres, default stop callbacks
are unused. Remove them.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 20b2409..b3091de 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5506,31 +5506,6 @@
}
/**
- * ata_port_stop - Undo ata_port_start()
- * @ap: Port to shut down
- *
- * Frees the PRD table.
- *
- * May be used as the port_stop() entry in ata_port_operations.
- *
- * LOCKING:
- * Inherited from caller.
- */
-void ata_port_stop (struct ata_port *ap)
-{
- struct device *dev = ap->dev;
-
- dmam_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
- ata_pad_free(ap, dev);
-}
-
-void ata_host_stop (struct ata_host *host)
-{
- if (host->mmio_base)
- iounmap(host->mmio_base);
-}
-
-/**
* ata_dev_init - Initialize an ata_device structure
* @dev: Device structure to initialize
*
@@ -5869,7 +5844,7 @@
}
/* resource acquisition complete */
- devres_close_group(dev, ata_device_add);
+ devres_remove_group(dev, ata_device_add);
/* perform each probe synchronously */
DPRINTK("probe begin\n");
@@ -6024,22 +5999,6 @@
ata_port_detach(host->ports[i]);
}
-/**
- * ata_host_remove - PCI layer callback for device removal
- * @host: ATA host set that was removed
- *
- * Unregister all objects associated with this host set. Free those
- * objects.
- *
- * LOCKING:
- * Inherited from calling layer (may sleep).
- */
-void ata_host_remove(struct ata_host *host)
-{
- ata_host_detach(host);
- devres_release_group(host->dev, ata_device_add);
-}
-
struct ata_probe_ent *
ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port)
{
@@ -6099,26 +6058,13 @@
#ifdef CONFIG_PCI
-void ata_pci_host_stop (struct ata_host *host)
-{
- struct pci_dev *pdev = to_pci_dev(host->dev);
-
- /* XXX - the following if can go away once all LLDs are managed */
- if (!list_empty(&host->dev->devres_head))
- pcim_iounmap(pdev, host->mmio_base);
- else
- pci_iounmap(pdev, host->mmio_base);
-}
-
/**
* ata_pci_remove_one - PCI layer callback for device removal
* @pdev: PCI device that was removed
*
- * PCI layer indicates to libata via this hook that
- * hot-unplug or module unload event has occurred.
- * Handle this by unregistering all objects associated
- * with this PCI device. Free those objects. Then finally
- * release PCI resources and disable device.
+ * PCI layer indicates to libata via this hook that hot-unplug or
+ * module unload event has occurred. Detach all ports. Resource
+ * release is handled via devres.
*
* LOCKING:
* Inherited from PCI layer (may sleep).
@@ -6128,14 +6074,7 @@
struct device *dev = pci_dev_to_dev(pdev);
struct ata_host *host = dev_get_drvdata(dev);
- /* XXX - the following if can go away once all LLDs are managed */
- if (!list_empty(&host->dev->devres_head)) {
- ata_host_remove(host);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- dev_set_drvdata(dev, NULL);
- } else
- ata_host_detach(host);
+ ata_host_detach(host);
}
/* move to PCI subsystem */
@@ -6189,11 +6128,7 @@
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
- /* XXX - the following if can go away once all LLDs are managed */
- if (!list_empty(&pdev->dev.devres_head))
- rc = pcim_enable_device(pdev);
- else
- rc = pci_enable_device(pdev);
+ rc = pcim_enable_device(pdev);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"failed to enable device after resume (%d)\n", rc);
@@ -6373,7 +6308,6 @@
EXPORT_SYMBOL_GPL(ata_host_init);
EXPORT_SYMBOL_GPL(ata_device_add);
EXPORT_SYMBOL_GPL(ata_host_detach);
-EXPORT_SYMBOL_GPL(ata_host_remove);
EXPORT_SYMBOL_GPL(ata_sg_init);
EXPORT_SYMBOL_GPL(ata_sg_init_one);
EXPORT_SYMBOL_GPL(ata_hsm_move);
@@ -6390,8 +6324,6 @@
EXPORT_SYMBOL_GPL(ata_altstatus);
EXPORT_SYMBOL_GPL(ata_exec_command);
EXPORT_SYMBOL_GPL(ata_port_start);
-EXPORT_SYMBOL_GPL(ata_port_stop);
-EXPORT_SYMBOL_GPL(ata_host_stop);
EXPORT_SYMBOL_GPL(ata_interrupt);
EXPORT_SYMBOL_GPL(ata_mmio_data_xfer);
EXPORT_SYMBOL_GPL(ata_pio_data_xfer);
@@ -6452,7 +6384,6 @@
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(pci_test_config_bits);
-EXPORT_SYMBOL_GPL(ata_pci_host_stop);
EXPORT_SYMBOL_GPL(ata_pci_init_native_mode);
EXPORT_SYMBOL_GPL(ata_pci_init_one);
EXPORT_SYMBOL_GPL(ata_pci_remove_one);