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arm: ti: Get the hwmods property either from the node or the parent

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r350229 changed the code to lookup the ti,hwmods property in the parent
as it's now like that in the DTS from >= Linux 5.0, allow the property
to be also in the node itself so we can boot with an older DTB.

Reported by:	"Dr. Rolf Jansen" <rj@obsigna.com>
This commit is contained in:
Emmanuel Vadot 2019-07-29 10:40:51 +00:00
parent bb63f59b22
commit 7be976a88e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=350408
1 changed files with 13 additions and 3 deletions
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16
sys/arm/ti/ti_hwmods.c
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@ -97,6 +97,16 @@ struct hwmod ti_hwmods[] = {
{NULL, 0}
};
static inline int
ti_get_hwmods_prop(phandle_t node, void **name)
{
int len;
if ((len = OF_getprop_alloc(node, "ti,hwmods", name)) > 0)
return (len);
return (OF_getprop_alloc(OF_parent(node), "ti,hwmods", name));
}
clk_ident_t
ti_hwmods_get_clock(device_t dev)
{
@ -110,7 +120,7 @@ ti_hwmods_get_clock(device_t dev)
if ((node = ofw_bus_get_node(dev)) == 0)
return (INVALID_CLK_IDENT);
if ((len = OF_getprop_alloc(OF_parent(node), "ti,hwmods", (void**)&name)) <= 0)
if ((len = ti_get_hwmods_prop(node, (void **)&name)) <= 0)
return (INVALID_CLK_IDENT);
buf = name;
@ -148,7 +158,7 @@ int ti_hwmods_contains(device_t dev, const char *hwmod)
if ((node = ofw_bus_get_node(dev)) == 0)
return (0);
if ((len = OF_getprop_alloc(OF_parent(node), "ti,hwmods", (void**)&name)) <= 0)
if ((len = ti_get_hwmods_prop(node, (void **)&name)) <= 0)
return (0);
buf = name;
@ -182,7 +192,7 @@ ti_hwmods_get_unit(device_t dev, const char *hwmod)
if ((node = ofw_bus_get_node(dev)) == 0)
return (0);
if ((len = OF_getprop_alloc(OF_parent(node), "ti,hwmods", (void**)&name)) <= 0)
if ((len = ti_get_hwmods_prop(node, (void **)&name)) <= 0)
return (0);
buf = name;