On Sat, Jun 07, 2014 at 02:58:53AM +0530, Suman Tripathi wrote:
> This patch implements the function restart_engine function to add the
> flexibility to restart the port dma engine from the libata framework.
>
> Signed-off-by: Loc Ho <l...@apm.com>
> Signed-off-by: Suman Tripathi <stripa...@apm.com>
> ---
> drivers/ata/libahci.c | 11 +++++++++++
> include/linux/libata.h | 1 +
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
> index b986145..5f9a13e 100644
> --- a/drivers/ata/libahci.c
> +++ b/drivers/ata/libahci.c
> @@ -70,6 +70,7 @@ static int ahci_scr_read(struct ata_link *link, unsigned
> int sc_reg, u32 *val);
> static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32
> val);
> static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
> static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
> +static int ahci_restart_engine(struct ata_port *ap);
> static int ahci_port_start(struct ata_port *ap);
> static void ahci_port_stop(struct ata_port *ap);
> static void ahci_qc_prep(struct ata_queued_cmd *qc);
> @@ -178,6 +179,7 @@ struct ata_port_operations ahci_ops = {
> #endif
> .port_start = ahci_port_start,
> .port_stop = ahci_port_stop,
> + .restart_engine = ahci_restart_engine,
Umm... you're adding something very ahci-specific as general libata
callback. I haven't looked at the second patch yet but don't think
this is gonna work out.
Thanks.
--
tejun
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