[U-Boot] [PATCH 06/18] sata: dwc_ahsata: implement sata_port_status

Marek Vasut
2014-08-03T13:49:02Z

On Sunday, August 03, 2014 at 09:34:36 AM, Nikita Kiryanov wrote:
> Define the new common function sata_port_status() which can be
> used to query the sata driver for the state of ports, and implement it
> for dwc_ahsata.
>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Tom Rini <trini@ti.com>
> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
> ---
> drivers/block/dwc_ahsata.c | 17 +++++++++++++++++
> include/sata.h | 1 +
> 2 files changed, 18 insertions(+)
>
> diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c
> index 15d65d7..e122ed9 100644
> --- a/drivers/block/dwc_ahsata.c
> +++ b/drivers/block/dwc_ahsata.c
> @@ -864,6 +864,23 @@ u32 ata_low_level_rw_lba28(int dev, u32 blknr,
> lbaint_t blkcnt, return blkcnt;
> }
>
> +int sata_port_status(int dev, int port)
> +{
> + struct sata_port_regs *port_mmio;
> + struct ahci_probe_ent *probe_ent = NULL;
> +
> + if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1))
> + return -1;

Please lets use values from errno.h here , let's set a good example and just do
that please.
[...]
Best regards,
Marek Vasut