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=20 +const __be64 *of_prop_next_u64(struct property *prop, const __be64 *cur, + u64 *pu) +{ + const void *curv =3D cur; + + if (!prop) + return NULL; + + if (!cur) { + curv =3D prop->value; + goto out_val; + } + + curv +=3D sizeof(*cur); + if (curv >=3D prop->value + prop->length) + return NULL; + +out_val: + *pu =3D be64_to_cpup(curv); + return curv; +} +EXPORT_SYMBOL_GPL(of_prop_next_u64); + const char *of_prop_next_string(struct property *prop, const char *cur) { const void *curv =3D cur; diff --git a/include/linux/of.h b/include/linux/of.h index 85b60ac9eec5..de481a4bdad0 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -437,6 +437,16 @@ extern int of_detach_node(struct device_node *); */ const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, u32 *pu); + +/* + * u64 u; + * + * of_property_for_each_u64(np, "propname", u) + * printk("U64 value: %llx\n", u); + */ +const __be64 *of_prop_next_u64(struct property *prop, const __be64 *cur, + u64 *pu); + /* * struct property *prop; * const char *s; @@ -832,6 +842,12 @@ static inline const __be32 *of_prop_next_u32(struct pr= operty *prop, return NULL; } =20 +static inline const __be64 *of_prop_next_u64(struct property *prop, + const __be64 *cur, u64 *pu) +{ + return NULL; +} + static inline const char *of_prop_next_string(struct property *prop, const char *cur) { @@ -1436,6 +1452,13 @@ static inline int of_property_read_s32(const struct = device_node *np, _it.item; \ _it.item =3D of_prop_next_u32(_it.prop, _it.item, &u)) =20 +#define of_property_for_each_u64(np, propname, u) \ + for (struct {struct property *prop; const __be64 *item; } _it =3D \ + {of_find_property(np, propname, NULL), \ + of_prop_next_u64(_it.prop, NULL, &u)}; \ + _it.item; \ + _it.item =3D of_prop_next_u64(_it.prop, _it.item, &u)) + #define of_property_for_each_string(np, propname, prop, s) \ for (prop =3D of_find_property(np, propname, NULL), \ s =3D of_prop_next_string(prop, NULL); \ --=20 2.37.1 From nobody Sun Feb 8 00:26:14 2026 Received: from AM0PR83CU005.outbound.protection.outlook.com (mail-westeuropeazon11010061.outbound.protection.outlook.com [52.101.69.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8440F194C64; 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So add assigned-clock-rates-u64 support to set rate that exceeds UINT32_MAX. Signed-off-by: Peng Fan --- drivers/clk/clk-conf.c | 42 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 37 insertions(+), 5 deletions(-) diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c index 058420562020..684e0c0738b3 100644 --- a/drivers/clk/clk-conf.c +++ b/drivers/clk/clk-conf.c @@ -81,11 +81,44 @@ static int __set_clk_parents(struct device_node *node, = bool clk_supplier) static int __set_clk_rates(struct device_node *node, bool clk_supplier) { struct of_phandle_args clkspec; - int rc, index =3D 0; + int rc, count, index; struct clk *clk; - u32 rate; + u32 *rates __free(kfree); + bool rate_64 =3D false; + + count =3D of_property_count_u64_elems(node, "assigned-clock-rates-u64"); + if (count <=3D 0) { + count =3D of_property_count_u32_elems(node, "assigned-clock-rates"); + if (count <=3D 0) + return 0; + + rates =3D kcalloc(count, sizeof(u32), GFP_KERNEL); + if (!rates) + return -ENOMEM; + rc =3D of_property_read_variable_u32_array(node, + "assigned-clock-rates", + rates, + 1, count); + } else { + rates =3D kcalloc(count, sizeof(u64), GFP_KERNEL); + if (!rates) + return -ENOMEM; + rc =3D of_property_read_variable_u64_array(node, + "assigned-clock-rates-u64", + (u64 *)rates, + 1, count); + rate_64 =3D true; + } + + + for (index =3D 0; index < count; index++) { + unsigned long rate; + + if (rate_64) + rate =3D ((u64 *)rates)[index]; + else + rate =3D rates[index]; =20 - of_property_for_each_u32(node, "assigned-clock-rates", rate) { if (rate) { rc =3D of_parse_phandle_with_args(node, "assigned-clocks", "#clock-cells", index, &clkspec); @@ -112,12 +145,11 @@ static int __set_clk_rates(struct device_node *node, = bool clk_supplier) =20 rc =3D clk_set_rate(clk, rate); if (rc < 0) - pr_err("clk: couldn't set %s clk rate to %u (%d), current rate: %lu\n", + pr_err("clk: couldn't set %s clk rate to %lu (%d), current rate: %lu\n= ", __clk_get_name(clk), rate, rc, clk_get_rate(clk)); clk_put(clk); } - index++; } return 0; } --=20 2.37.1