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-rw-r--r--drivers/ata/libata-core.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 583f26d..8e3f4a9 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -67,6 +67,7 @@
#include <linux/cdrom.h>
#include <linux/ratelimit.h>
#include <linux/pm_runtime.h>
+#include <linux/platform_device.h>
#include "libata.h"
#include "libata-transport.h"
@@ -6382,6 +6383,26 @@ int ata_pci_device_resume(struct pci_dev *pdev)
#endif /* CONFIG_PCI */
+/**
+ * ata_platform_remove_one - Platform layer callback for device removal
+ * @pdev: Platform device that was removed
+ *
+ * Platform 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 platform layer (may sleep).
+ */
+int ata_platform_remove_one(struct platform_device *pdev)
+{
+ struct ata_host *host = platform_get_drvdata(pdev);
+
+ ata_host_detach(host);
+
+ return 0;
+}
+
static int __init ata_parse_force_one(char **cur,
struct ata_force_ent *force_ent,
const char **reason)
@@ -6877,6 +6898,8 @@ EXPORT_SYMBOL_GPL(ata_pci_device_resume);
#endif /* CONFIG_PM */
#endif /* CONFIG_PCI */
+EXPORT_SYMBOL_GPL(ata_platform_remove_one);
+
EXPORT_SYMBOL_GPL(__ata_ehi_push_desc);
EXPORT_SYMBOL_GPL(ata_ehi_push_desc);
EXPORT_SYMBOL_GPL(ata_ehi_clear_desc);
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