Files
kernel_arpi/drivers/ata
Prabhakar Kushwaha 9724b3f28d ata: ahci: Add shutdown to freeze hardware resources of ahci
commit 10a663a1b1 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-28 17:22:28 +01:00
..
2019-02-08 06:32:01 -07:00
2020-01-09 10:19:59 +01:00
2020-01-09 10:19:59 +01:00