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authorLinus Torvalds <torvalds@linux-foundation.org>2023-04-28 16:24:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-04-28 16:24:32 -0700
commit70cc1b5307e8ee3076fdf2ecbeb89eb973aa0ff7 (patch)
tree6928e81a009668e6af4ca7408db2c35549a0f433 /arch/powerpc/kernel/legacy_serial.c
parent5ea8abf589f2974d65460a1ffa0c303763e958da (diff)
parent169f8997968ab620d750d9a45e15c5288d498356 (diff)
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Merge tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman: - Add support for building the kernel using PC-relative addressing on Power10. - Allow HV KVM guests on Power10 to use prefixed instructions. - Unify support for the P2020 CPU (85xx) into a single machine description. - Always build the 64-bit kernel with 128-bit long double. - Drop support for several obsolete 2000's era development boards as identified by Paul Gortmaker. - A series fixing VFIO on Power since some generic changes. - Various other small features and fixes. Thanks to Alexey Kardashevskiy, Andrew Donnellan, Benjamin Gray, Bo Liu, Christophe Leroy, Dan Carpenter, David Binderman, Ira Weiny, Joel Stanley, Kajol Jain, Kautuk Consul, Liang He, Luis Chamberlain, Masahiro Yamada, Michael Neuling, Nathan Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Nick Desaulniers, Nysal Jan K.A, Pali Rohár, Paul Gortmaker, Paul Mackerras, Petr Vaněk, Randy Dunlap, Rob Herring, Sachin Sant, Sean Christopherson, Segher Boessenkool, and Timothy Pearson. * tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (156 commits) powerpc/64s: Disable pcrel code model on Clang powerpc: Fix merge conflict between pcrel and copy_thread changes powerpc/configs/powernv: Add IGB=y powerpc/configs/64s: Drop JFS Filesystem powerpc/configs/64s: Use EXT4 to mount EXT2 filesystems powerpc/configs: Make pseries_defconfig an alias for ppc64le_guest powerpc/configs: Make pseries_le an alias for ppc64le_guest powerpc/configs: Incorporate generic kvm_guest.config into guest configs powerpc/configs: Add IBMVETH=y and IBMVNIC=y to guest configs powerpc/configs/64s: Enable Device Mapper options powerpc/configs/64s: Enable PSTORE powerpc/configs/64s: Enable VLAN support powerpc/configs/64s: Enable BLK_DEV_NVME powerpc/configs/64s: Drop REISERFS powerpc/configs/64s: Use SHA512 for module signatures powerpc/configs/64s: Enable IO_STRICT_DEVMEM powerpc/configs/64s: Enable SCHEDSTATS powerpc/configs/64s: Enable DEBUG_VM & other options powerpc/configs/64s: Enable EMULATED_STATS powerpc/configs/64s: Enable KUNIT and most tests ...
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 */