On Monday 22 February 2016 10:53:11 Anurag Kumar Vulisha wrote: > > > > > > > How would a hardware integrator know which value is right for a particular > > SoC? > > > > Could it be keyed off the hardware ID? Could the bootloader perhaps set an > > appropriate value in the AHCI_VEND_PTC register at boot time and the driver > > read the initial value from it? > > > > From the description, it sounds like this is a policy decision rather than > > hardware description, and shouldn't really be in here. > > > > Thanks for reviewing the patch. Can I use module_param() for this watermark instead of reading it from devicetree or > doing it in bootloader. In bootloader we are initializing serdes controller for high speed devices. As a part of this initialization > we will be reseting all the high speed pheripherals which are using serdes, so SATA will also get resetted. Because of this > reason, can I use module_param() for Rxwatermark value instead? > I don't know what is appropriate because I have no idea what Rxwatermark is good for. Can you try describing why we can't just set it to the correct value for everyone automatically? Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
