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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2017-01-30 11:02:06 +0100
committerSekhar Nori <nsekhar@ti.com>2017-01-31 17:48:21 +0530
commitd436501e06792dd44101e0e45c32f6c1ea965acb (patch)
tree2b03732f0d8a8b7ed971d2473d512b7130404c0f /drivers/ata/ahci.h
parentf4d435f3265661d04e5290a0a0450e3a38898128 (diff)
sata: ahci: export ahci_do_hardreset() locally
We need a way to retrieve the information about the online state of the link in the ahci-da850 driver. Create a new function: ahci_do_hardreset() which is called from ahci_hardreset() for backwards compatibility, but has an additional argument: 'online' - which can be used to check if the link is online after this function returns. The new routine will be used in the ahci-da850 driver to avoid code duplication when implementing a workaround for tha da850 SATA controller quirk/instability. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'drivers/ata/ahci.h')
-rw-r--r--drivers/ata/ahci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 0cc08f892fea..5db6ab261643 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -398,6 +398,9 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class,
int pmp, unsigned long deadline,
int (*check_ready)(struct ata_link *link));
+int ahci_do_hardreset(struct ata_link *link, unsigned int *class,
+ unsigned long deadline, bool *online);
+
unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
int ahci_stop_engine(struct ata_port *ap);
void ahci_start_fis_rx(struct ata_port *ap);