diff options
| author | Rob Herring <robh@kernel.org> | 2023-03-10 17:46:56 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-03-30 15:36:35 +0300 |
| commit | 857d423c74228cfa064f79ff3a16b163fdb8d542 (patch) | |
| tree | 42cebf275a0709c63da9bda60d200c95ddaa4f51 /arch/powerpc/kernel | |
| parent | af8bc68263b2184e63ee67ca70cecff4636f7901 (diff) | |
| download | linux-857d423c74228cfa064f79ff3a16b163fdb8d542.tar.xz | |
powerpc: Use of_property_present() for testing DT property presence
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <robh@kernel.org>
[mpe: Drop change in ppc4xx_probe_pci_bridge(), formatting]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230310144657.1541039-1-robh@kernel.org
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/legacy_serial.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index f048c424c525..1a3b7f3513b4 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -171,11 +171,11 @@ 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 */ @@ -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 */ |