On Fri, Jun 27, 2025 at 09:40:27AM -0600, Mathieu Poirier wrote: > On Fri, 27 Jun 2025 at 08:50, Hiago De Franco <[email protected]> wrote: > > > > On Fri, Jun 27, 2025 at 08:31:20AM -0600, Mathieu Poirier wrote: > > > On Thu, 26 Jun 2025 at 15:59, Hiago De Franco <[email protected]> > > > wrote: > > > > > > > > From: Hiago De Franco <[email protected]> > > > > > > > > This patch series depends on Ulf's patches that are currently under > > > > review, "pmdomain: Add generic ->sync_state() support to genpd" [1]. > > > > Without them, this series is not going to work. > > > > > > > > > > I thought we agreed to repost when the feature referred to above and > > > the work in drivers/pmdomain/core.c will be merge. I'm not sure what > > > to do with this patchset. > > > > Sorry Mathieu, my goal was to update the whole patch series with your > > reviews from v5 so you could take a look and then I would resend > > everything again once the others have been merged. > > > > Ok, I'll take a look next week.
Thanks, I will be sending v7 with the missing reviewed-by then. Best regards, Hiago. > > > If you prefer I can wait for the other patches to be merged and then > > send the next v7 corrected. > > > > Best regards, > > Hiago. > > > > > > > > > For the i.MX8X and i.MX8 family SoCs, currently when the remotecore is > > > > started by the bootloader and the M core and A core are in the same > > > > partition, the driver is not capable to detect the remote core and > > > > report the correct state of it. > > > > > > > > This patch series implement a new function, dev_pm_genpd_is_on(), which > > > > returns the power status of a given power domain (M core power domains > > > > IMX_SC_R_M4_0_PID0 and IMX_SC_R_M4_0_MU_1A in this case). If it is > > > > already powered on, the driver will attach to it. > > > > > > > > Finally, the imx_rproc_clk_enable() function was also changed to make it > > > > return before dev_clk_get() is called, as it currently generates an SCU > > > > fault reset if the remote core is already running and the kernel tries > > > > to enable the clock again. These changes are a follow up from a v1 sent > > > > to imx_rproc [2] and from a reported regression [3]. > > > > > > > > [1] > > > > https://lore.kernel.org/all/[email protected]/ > > > > [2] > > > > https://lore.kernel.org/lkml/[email protected]/ > > > > [3] > > > > https://lore.kernel.org/lkml/20250404141713.ac2ntcsjsf7epdfa@hiago-nb/ > > > > > > > > v6: > > > > - Added "reviewed by" from Ulf and Bjorn. > > > > - Fixed and improved commit descriptions of patches 2 and 3. > > > > - Improved the comment inside imx_rproc.c file. > > > > v5: > > > > - > > > > https://lore.kernel.org/all/[email protected]/ > > > > v4: > > > > - > > > > https://lore.kernel.org/lkml/[email protected]/ > > > > v3: > > > > - > > > > https://lore.kernel.org/all/[email protected]/ > > > > v2: > > > > - > > > > https://lore.kernel.org/lkml/[email protected]/ > > > > v1: > > > > - > > > > https://lore.kernel.org/lkml/[email protected]/ > > > > > > > > Hiago De Franco (3): > > > > pmdomain: core: introduce dev_pm_genpd_is_on() > > > > remoteproc: imx_rproc: skip clock enable when M-core is managed by the > > > > SCU > > > > remoteproc: imx_rproc: detect and attach to pre-booted remote cores > > > > > > > > drivers/pmdomain/core.c | 33 +++++++++++++++++++++++++++ > > > > drivers/remoteproc/imx_rproc.c | 41 ++++++++++++++++++++++++++++------ > > > > include/linux/pm_domain.h | 6 +++++ > > > > 3 files changed, 73 insertions(+), 7 deletions(-) > > > > > > > > -- > > > > 2.39.5 > > > >
