summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/legacy_serial.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/legacy_serial.c')
-rw-r--r--arch/powerpc/kernel/legacy_serial.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index f048c424c525..c9ad12461d44 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -171,15 +171,15 @@ static int __init add_legacy_soc_port(struct device_node *np,
/* We only support ports that have a clock frequency properly
* encoded in the device-tree.
*/
- if (of_get_property(np, "clock-frequency", NULL) == NULL)
+ if (!of_property_present(np, "clock-frequency"))
return -1;
/* if reg-offset don't try to use it */
- if ((of_get_property(np, "reg-offset", NULL) != NULL))
+ if (of_property_present(np, "reg-offset"))
return -1;
/* if rtas uses this device, don't try to use it as well */
- if (of_get_property(np, "used-by-rtas", NULL) != NULL)
+ if (of_property_read_bool(np, "used-by-rtas"))
return -1;
/* Get the address */
@@ -237,7 +237,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
* Note: Don't even try on P8 lpc, we know it's not directly mapped
*/
if (!of_device_is_compatible(isa_brg, "ibm,power8-lpc") ||
- of_get_property(isa_brg, "ranges", NULL)) {
+ of_property_present(isa_brg, "ranges")) {
taddr = of_translate_address(np, reg);
if (taddr == OF_BAD_ADDR)
taddr = 0;
@@ -268,7 +268,7 @@ static int __init add_legacy_pci_port(struct device_node *np,
* compatible UARTs on PCI need all sort of quirks (port offsets
* etc...) that this code doesn't know about
*/
- if (of_get_property(np, "clock-frequency", NULL) == NULL)
+ if (!of_property_present(np, "clock-frequency"))
return -1;
/* Get the PCI address. Assume BAR 0 */