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authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /drivers/ata/ahci_platform.c
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/ata/ahci_platform.c')
-rw-r--r--drivers/ata/ahci_platform.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 5e11b160f24..4e97f33cca4 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -54,19 +54,13 @@ static int __init ahci_probe(struct platform_device *pdev)
return -EINVAL;
}
- if (pdata && pdata->init) {
- rc = pdata->init(dev);
- if (rc)
- return rc;
- }
-
if (pdata && pdata->ata_port_info)
pi = *pdata->ata_port_info;
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv) {
- rc = -ENOMEM;
- goto err0;
+ dev_err(dev, "can't alloc ahci_host_priv\n");
+ return -ENOMEM;
}
hpriv->flags |= (unsigned long)pi.private_data;
@@ -74,8 +68,19 @@ static int __init ahci_probe(struct platform_device *pdev)
hpriv->mmio = devm_ioremap(dev, mem->start, resource_size(mem));
if (!hpriv->mmio) {
dev_err(dev, "can't map %pR\n", mem);
- rc = -ENOMEM;
- goto err0;
+ return -ENOMEM;
+ }
+
+ /*
+ * Some platforms might need to prepare for mmio region access,
+ * which could be done in the following init call. So, the mmio
+ * region shouldn't be accessed before init (if provided) has
+ * returned successfully.
+ */
+ if (pdata && pdata->init) {
+ rc = pdata->init(dev, hpriv->mmio);
+ if (rc)
+ return rc;
}
ahci_save_initial_config(dev, hpriv,
@@ -166,7 +171,6 @@ static int __devexit ahci_remove(struct platform_device *pdev)
}
static struct platform_driver ahci_driver = {
- .probe = ahci_probe,
.remove = __devexit_p(ahci_remove),
.driver = {
.name = "ahci",