diff options
| author | Rob Herring <robh@kernel.org> | 2023-03-29 17:03:36 -0500 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-04-04 22:11:03 +1000 |
| commit | 2500763dd3db37fad94d9b506907c59c2f5e97c6 (patch) | |
| tree | a4cd9241b504c57d5011764311a00c8062461f98 /arch/powerpc/platforms/powermac/feature.c | |
| parent | 83a8fe569ef84d6eefcb99420a731cb87508f004 (diff) | |
powerpc: Use of_address_to_resource()
Replace open coded reading of "reg" or of_get_address()/
of_translate_address() calls with a single call to
of_address_to_resource().
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230329220337.141295-1-robh@kernel.org
Diffstat (limited to 'arch/powerpc/platforms/powermac/feature.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/feature.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 6b1f974b074f..a195d5faa4e5 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -2545,8 +2545,7 @@ done: */ static void __init probe_uninorth(void) { - const u32 *addrp; - phys_addr_t address; + struct resource res; unsigned long actrl; /* Locate core99 Uni-N */ @@ -2568,18 +2567,15 @@ static void __init probe_uninorth(void) return; } - addrp = of_get_property(uninorth_node, "reg", NULL); - if (addrp == NULL) + if (of_address_to_resource(uninorth_node, 0, &res)) return; - address = of_translate_address(uninorth_node, addrp); - if (address == 0) - return; - uninorth_base = ioremap(address, 0x40000); + + uninorth_base = ioremap(res.start, 0x40000); if (uninorth_base == NULL) return; uninorth_rev = in_be32(UN_REG(UNI_N_VERSION)); if (uninorth_maj == 3 || uninorth_maj == 4) { - u3_ht_base = ioremap(address + U3_HT_CONFIG_BASE, 0x1000); + u3_ht_base = ioremap(res.start + U3_HT_CONFIG_BASE, 0x1000); if (u3_ht_base == NULL) { iounmap(uninorth_base); return; @@ -2589,7 +2585,7 @@ static void __init probe_uninorth(void) printk(KERN_INFO "Found %s memory controller & host bridge" " @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" : uninorth_maj == 4 ? "U4" : "UniNorth", - (unsigned int)address, uninorth_rev); + (unsigned int)res.start, uninorth_rev); printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base); /* Set the arbitrer QAck delay according to what Apple does |