[PATCH v5 3/4] mach-snapdragon: fixup power-domains
neil.armstrong at linaro.org
neil.armstrong at linaro.org
Tue Oct 28 14:02:10 CET 2025
On 10/27/25 12:33, Aswin Murugan wrote:
> From: Aswin Murugan <aswin.murugan at oss.qualcomm.com>
>
> RPMH power domain properties were initially removed from the
> device tree due to the absence of driver support. Since RPMH
> power domain driver is added now, the fixups are removed.
>
> Signed-off-by: Aswin Murugan <aswin.murugan at oss.qualcomm.com>
> ---
> v5:
> - No changes to this patch in v5
>
> v4:
> - Reverted the inclusion of qcom-rpmpd.h header in pervious versions.
>
> v3:
> - Removed OF_LIVE_SA8775P config, since there is no SA8775P specific fixups are done
>
> v2:
> - Removed the power domain fixups, since the power domains are handled in qcom-rpmhpd driver
> ---
> arch/arm/mach-snapdragon/of_fixup.c | 31 -----------------------------
> 1 file changed, 31 deletions(-)
>
> diff --git a/arch/arm/mach-snapdragon/of_fixup.c b/arch/arm/mach-snapdragon/of_fixup.c
> index eec2c0c757e..93c16821e54 100644
> --- a/arch/arm/mach-snapdragon/of_fixup.c
> +++ b/arch/arm/mach-snapdragon/of_fixup.c
> @@ -116,36 +116,6 @@ static void fixup_usb_nodes(struct device_node *root)
> }
> }
>
> -/* Remove all references to the rpmhpd device */
> -static void fixup_power_domains(struct device_node *root)
> -{
> - struct device_node *pd = NULL, *np = NULL;
> - struct property *prop;
> - const __be32 *val;
> -
> - /* All Qualcomm platforms name the rpm(h)pd "power-controller" */
> - for_each_of_allnodes_from(root, pd) {
> - if (pd->name && !strcmp("power-controller", pd->name))
> - break;
> - }
> -
> - /* Sanity check that this is indeed a power domain controller */
> - if (!of_find_property(pd, "#power-domain-cells", NULL)) {
> - log_err("Found power-controller but it doesn't have #power-domain-cells\n");
> - return;
> - }
> -
> - /* Remove all references to the power domain controller */
> - for_each_of_allnodes_from(root, np) {
> - if (!(prop = of_find_property(np, "power-domains", NULL)))
> - continue;
> -
> - val = prop->value;
> - if (val[0] == cpu_to_fdt32(pd->phandle))
> - of_remove_property(np, prop);
> - }
> -}
> -
> #define time_call(func, ...) \
> do { \
> u64 start = timer_get_us(); \
> @@ -158,7 +128,6 @@ static int qcom_of_fixup_nodes(void * __maybe_unused ctx, struct event *event)
> struct device_node *root = event->data.of_live_built.root;
>
> time_call(fixup_usb_nodes, root);
> - time_call(fixup_power_domains, root);
I think the fixup should be removed only if QCOM_POWER_DOMAIN is enabled, no ?
Neil
>
> return 0;
> }
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