Messages in this thread Patch in this message | | | From | Florian Fainelli <> | Subject | [PATCH 1/3] ata: Allow having a port recovery callback | Date | Tue, 9 Jan 2018 15:04:55 -0800 |
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Some AHCI controllers may need to recovery from a failure to identify a drive, such as the Broadcom AHCI controller, make that possible at both the libata-core.c and AHCI controller level such that we can provide such an error recovery callback.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- drivers/ata/libata-core.c | 2 ++ include/linux/libata.h | 1 + 2 files changed, 3 insertions(+)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3c09122bf038..921c2813af07 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2045,6 +2045,8 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, if (ata_msg_warn(ap)) ata_dev_warn(dev, "failed to IDENTIFY (%s, err_mask=0x%x)\n", reason, err_mask); + if (ap->host->ops->port_recovery) + ap->host->ops->port_recovery(ap); return rc; } diff --git a/include/linux/libata.h b/include/linux/libata.h index ed9826b21c5e..23646a557ab2 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -956,6 +956,7 @@ struct ata_port_operations { int (*port_resume)(struct ata_port *ap); int (*port_start)(struct ata_port *ap); void (*port_stop)(struct ata_port *ap); + void (*port_recovery)(struct ata_port *ap); void (*host_stop)(struct ata_host *host); #ifdef CONFIG_ATA_SFF -- 2.7.4
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