diff options
| author | Nate Watterson <nwatters@codeaurora.org> | 2017-07-20 15:26:24 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-08-04 13:34:14 -0700 |
| commit | 8eede5bc4ef04281fbba7ddfe157052d0e76075d (patch) | |
| tree | 87c88cf41e67e8168c4fd7c965d7ec323bb76e67 /include/linux/ahci_platform.h | |
| parent | afbd39a42e2d777852a2809298fd4e71b1e5abf7 (diff) | |
ata: ahci_platform: Add shutdown handler
The newly introduced ahci_platform_shutdown() method is called during
system shutdown to disable host controller DMA and interrupts in order
to avoid potentially corrupting or otherwise interfering with a new
kernel being started with kexec.
Signed-off-by: Nate Watterson <nwatters@codeaurora.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/ahci_platform.h')
| -rw-r--r-- | include/linux/ahci_platform.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h index a270f25ee7c7..1b0a17b22cd3 100644 --- a/include/linux/ahci_platform.h +++ b/include/linux/ahci_platform.h @@ -36,6 +36,8 @@ int ahci_platform_init_host(struct platform_device *pdev, const struct ata_port_info *pi_template, struct scsi_host_template *sht); +void ahci_platform_shutdown(struct platform_device *pdev); + int ahci_platform_suspend_host(struct device *dev); int ahci_platform_resume_host(struct device *dev); int ahci_platform_suspend(struct device *dev); |