Re: [PATCH v12 3/4] PHY: add APM X-Gene SoC 15Gbps Multi-purpose PHY driver
From: Felipe Balbi <hidden>
Date: 2014-02-27 19:05:05
Also in:
linux-arm-kernel, linux-ide, linux-scsi, lkml
Hi, 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. -- balbi