On Thu, 17 Nov 2022 at 11:12, AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote: > > Il 16/11/22 14:46, Dmitry Baryshkov ha scritto: > > On 15/11/2022 18:45, AngeloGioacchino Del Regno wrote: > >> The Ramp Controller is used to program the sequence ID for pulse > >> swallowing, enable sequence and linking sequence IDs for the CPU > >> cores on some Qualcomm SoCs. > >> > >> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > >> --- > >> drivers/soc/qcom/Kconfig | 9 + > >> drivers/soc/qcom/Makefile | 1 + > >> drivers/soc/qcom/ramp_controller.c | 331 +++++++++++++++++++++++++++++ > >> 3 files changed, 341 insertions(+) > >> create mode 100644 drivers/soc/qcom/ramp_controller.c > >> > > > > I'd allow myself to re-ask the same questions here: > > > > Generic question. regarding this controller. If it is supposed to work > > close to DVCS, etc. Does ramp controller need any programming when > > changing speed and/or APC voltage? > > Is it necessary to turn ramp on and off during the runtime? > > > > No, it's a set-and-forget type of programming. Turning that on/off during > runtime is self-managed and, after the initial setting that this driver, > no further action is required - or at least not from Linux. Ack, thank you! -- With best wishes Dmitry