[PATCH 1/4] ARM: OMAP2+: Init both prm and prcm nodes early for clocks

From: Tony Lindgren
Date: Mon Mar 08 2021 - 07:22:28 EST


We need to probe both prm and prcm nodes early for clocks
as they are needed by system timers.

Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/pdata-quirks.c | 29 +++++++++++++++++++++--------
1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -569,10 +569,29 @@ static void pdata_quirks_check(struct pdata_init *quirks)
}
}

-void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
+static const char * const pdata_quirks_init_nodes[] = {
+ "prcm",
+ "prm",
+};
+
+void __init
+pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
{
struct device_node *np;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
+ np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
+ if (!np)
+ continue;

+ of_platform_populate(np, omap_dt_match_table,
+ omap_auxdata_lookup, NULL);
+ }
+}
+
+void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
+{
/*
* We still need this for omap2420 and omap3 PM to work, others are
* using drivers/misc/sram.c already.
@@ -585,13 +604,7 @@ void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
omap3_mcbsp_init();
pdata_quirks_check(auxdata_quirks);

- /* Populate always-on PRCM in l4_wkup to probe l4_wkup */
- np = of_find_node_by_name(NULL, "prcm");
- if (!np)
- np = of_find_node_by_name(NULL, "prm");
- if (np)
- of_platform_populate(np, omap_dt_match_table,
- omap_auxdata_lookup, NULL);
+ pdata_quirks_init_clocks(omap_dt_match_table);

of_platform_populate(NULL, omap_dt_match_table,
omap_auxdata_lookup, NULL);
--
2.30.1