summaryrefslogtreecommitdiff
path: root/drivers/core/of_addr.c
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2021-05-12 10:07:21 -0400
committerTom Rini <trini@konsulko.com>2021-05-12 10:07:21 -0400
commitea184cbff99ea1d82dcf94c95afe054e95da5069 (patch)
tree48553e6cf25f0b5f34483c3fddafdebbbc240b55 /drivers/core/of_addr.c
parent59a2b9e605c5a5e2dff35506a13b51f33d3051b4 (diff)
parentbbc9da58b332bd44e51ac5579040ea984b2f963b (diff)
Merge tag 'ti-v2021.07-rc3' of https://source.denx.de/u-boot/custodians/u-boot-ti
- Initial support for AM64 EVM and SK - K3 DDR driver unification for J7 and AM64 platforms. - Minor fixes for TI clock driver
Diffstat (limited to 'drivers/core/of_addr.c')
-rw-r--r--drivers/core/of_addr.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/core/of_addr.c b/drivers/core/of_addr.c
index b3e384d2ee1..9b77308182d 100644
--- a/drivers/core/of_addr.c
+++ b/drivers/core/of_addr.c
@@ -18,8 +18,7 @@
/* Max address size we deal with */
#define OF_MAX_ADDR_CELLS 4
#define OF_CHECK_ADDR_COUNT(na) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)
-#define OF_CHECK_COUNTS(na, ns) (OF_CHECK_ADDR_COUNT(na) && \
- ((ns) > 0 || gd_size_cells_0()))
+#define OF_CHECK_COUNTS(na, ns) (OF_CHECK_ADDR_COUNT(na) && (ns) > 0)
static struct of_bus *of_match_bus(struct device_node *np);
@@ -163,6 +162,11 @@ const __be32 *of_get_address(const struct device_node *dev, int index,
}
EXPORT_SYMBOL(of_get_address);
+static int of_empty_ranges_quirk(const struct device_node *np)
+{
+ return false;
+}
+
static int of_translate_one(const struct device_node *parent,
struct of_bus *bus, struct of_bus *pbus,
__be32 *addr, int na, int ns, int pna,
@@ -189,8 +193,11 @@ static int of_translate_one(const struct device_node *parent,
* As far as we know, this damage only exists on Apple machines, so
* This code is only enabled on powerpc. --gcl
*/
-
ranges = of_get_property(parent, rprop, &rlen);
+ if (ranges == NULL && !of_empty_ranges_quirk(parent)) {
+ debug("no ranges; cannot translate\n");
+ return 1;
+ }
if (ranges == NULL || rlen == 0) {
offset = of_read_number(addr, na);
memset(addr, 0, pna * 4);