[PATCH v12 3/4] PHY: add APM X-Gene SoC 15Gbps Multi-purpose PHY driver

Felipe Balbi balbi at ti.com
Thu Feb 27 14:02:59 EST 2014


On Thu, Feb 27, 2014 at 11:14:07AM -0700, Loc Ho wrote:
> +/*
> + * This function is used to configure the PHY to operation as either SATA Gen1
> + * or Gen2 speed.
> + */
> +static void xgene_phy_sata_force_gen(struct xgene_phy_ctx *ctx,
> +				     int lane, int gen)

why do you need to *force* the generation ? Is this because of some
silicon errata ? It almost seems like this should be done through link
negotiation between both link partners.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20140227/d35f8bec/attachment.sig>

More information about the linux-arm-kernel mailing list