Hi, On Thu, Feb 27, 2014 at 11:57:44AM -0800, Loc Ho wrote: > > On Thu, Feb 27, 2014 at 11:14:05AM -0700, Loc Ho wrote: > >> This patch adds function set_speed to the generic PHY framework operation > >> structure. This function can be called to instruct the PHY underlying layer > >> at specified lane to configure for specified speed in hertz. > > > > why ? looks like clk_set_rate() is your friend here. Can you be more > > descriptive of the use case ? When will this be used ? > > > > The phy_set_speed is used to configure the operation speed of the PHY > at run-time. The clock interface in general is used to configure the > clock input to the IP. I don't believe they are the same thing. Maybe > it will be clear in my response to your second email
The problem with this is that you end up adding SATA-specific details to something which is supposed to be generic. After negoatiation, don't you get any interrupt from your PHY indicating that link speed negotiation is done ? Or is that IRQ only on AHCI IP ? cheers -- balbi
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