Messages in this thread | | | Date | Tue, 8 Oct 2019 19:17:31 +0200 | From | Greg KH <> | Subject | Re: [PATCH v2] base: soc: Handle custom soc information sysfs entries |
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On Tue, Oct 08, 2019 at 10:10:08AM -0700, mnalajal@codeaurora.org wrote: > On 2019-10-08 08:43, Greg KH wrote: > > On Tue, Oct 08, 2019 at 08:33:11AM -0700, Stephen Boyd wrote: > > > Quoting Murali Nalajala (2019-10-07 13:37:42) > > > > Soc framework exposed sysfs entries are not sufficient for some > > > > of the h/w platforms. Currently there is no interface where soc > > > > drivers can expose further information about their SoCs via soc > > > > framework. This change address this limitation where clients can > > > > pass their custom entries as attribute group and soc framework > > > > would expose them as sysfs properties. > > > > > > > > Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org> > > > > --- > > > > > > Reviewed-by: Stephen Boyd <swboyd@chromium.org> > > > > > > > Nice, can we convert the existing soc drivers to use this interface > > instead of the "export the device pointer" mess that they currently > > have? That way we can drop that function entirely. > > > Thank you for the reviews. > In the current linux tree i can find these driver instances who is using > "soc_device_to_device" for populating their sysfs entries. > > drivers/soc/ux500/ux500-soc-id.c: parent = > soc_device_to_device(soc_dev); > drivers/soc/tegra/fuse/fuse-tegra.c: return soc_device_to_device(dev); > drivers/soc/amlogic/meson-gx-socinfo.c: dev = soc_device_to_device(soc_dev); > drivers/soc/amlogic/meson-mx-socinfo.c: > dev_info(soc_device_to_device(soc_dev), "Amlogic %s %s detected\n", > drivers/soc/imx/soc-imx8.c: ret = > device_create_file(soc_device_to_device(soc_dev), > drivers/soc/imx/soc-imx-scu.c: ret = > device_create_file(soc_device_to_device(soc_dev), > drivers/soc/versatile/soc-realview.c: > device_create_file(soc_device_to_device(soc_dev), &realview_manf_attr); > drivers/soc/versatile/soc-realview.c: > device_create_file(soc_device_to_device(soc_dev), &realview_board_attr); > drivers/soc/versatile/soc-realview.c: > device_create_file(soc_device_to_device(soc_dev), &realview_arch_attr); > drivers/soc/versatile/soc-realview.c: > device_create_file(soc_device_to_device(soc_dev), &realview_build_attr); > drivers/soc/versatile/soc-integrator.c: dev = soc_device_to_device(soc_dev); > > These drivers can use the current proposed approach to expose their sysfs > entries. > Will try to address these and submit. But i can't able to test these changes > because i do not have these h/w's
Build testing should be sufficient.
thanks,
greg k-h
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