path: root/include/linux/libata.h
diff options
authorPrabhakar Kushwaha <pkushwaha@marvell.com>2020-01-25 03:37:29 +0000
committerJens Axboe <axboe@kernel.dk>2020-01-29 21:02:15 -0700
commit10a663a1b15134a5a714aa515e11425a44d4fdf7 (patch)
tree77316510d102f161fc28e2cb08732744ffb9262f /include/linux/libata.h
parentpata_pcmia: add SanDisk High (>8G) CF card to supported list (diff)
ata: ahci: Add shutdown to freeze hardware resources of ahci
device_shutdown() called from reboot or power_shutdown expect all devices to be shutdown. Same is true for even ahci pci driver. As no ahci shutdown function is implemented, the ata subsystem always remains alive with DMA & interrupt support. File system related calls should not be honored after device_shutdown(). So defining ahci pci driver shutdown to freeze hardware (mask interrupt, stop DMA engine and free DMA resources). Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/libata.h')
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2dbde119721d..bff539918d82 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1221,6 +1221,7 @@ struct pci_bits {
extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
+extern void ata_pci_shutdown_one(struct pci_dev *pdev);
extern void ata_pci_remove_one(struct pci_dev *pdev);
#ifdef CONFIG_PM