On 08/24/2017 04:36 PM, Markus Mayer wrote: > From: Markus Mayer <mmayer@xxxxxxxxxxxx> > > This series introduces a driver to interact with the Broadcom STB DDR > PHY Front End (DPFE), specifically to communicate with the DCPU that is > part of the DDR PHY and which is running its own firmware. > > The DCPU provides information such as DRAM refresh rate, which can be > used as indirect indicator for the DRAM temperature (the higher the > refresh rate, the hotter the RAM). > > The series was previously submitted as HWMON driver[1]. It has been > removed from that subsystem, because it doesn't provide any standard > HWMON data due to hardware design properties, and is now implemented as > SoC driver. > > Changes since v2: > - moved driver from drivers/soc/bcm/brcmstb to drivers/memory > - renamed the driver from dpfe.c to brcmstb_dpfe.c > - added le32_to_cpu() in a few places (where be32_to_cpu() calls > already existed) > - added a little blurb what the le32_to_cpu()/be32_to_cpu() business > is all about > > Changes since v1: > - binding simplified to use one node with three memory regions > instead of three nodes with one region > - no longer part of the HWMON subsystem > - better error handling and error reporting to userland > - uses [readl|writel]_relaxed() directly, since there is no need for > wrappers doing endian conversion > - re-download firmware upon "resume" > - minor changes to improve clarity > > [1] https://lkml.org/lkml/2017/4/18/640 Applied, thanks Markus! Will get that resubmitted in a short while: https://github.com/Broadcom/stblinux/commits/drivers/next -- Florian -- 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
