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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 15:50:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 15:50:49 -0700 |
| commit | 9a64388d83f6ef08dfff405a9d122e3dbcb6bf38 (patch) | |
| tree | a77532ce4d6d56be6c6c7f405cd901a0184250fb /arch/powerpc/boot/devtree.c | |
| parent | e80ab411e589e00550e2e6e5a6a02d59cc730357 (diff) | |
| parent | 14b3ca4022f050f8622ed282b734ddf445464583 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
[POWERPC] Fix compile breakage for 64-bit UP configs
[POWERPC] Define copy_siginfo_from_user32
[POWERPC] Add compat handler for PTRACE_GETSIGINFO
[POWERPC] i2c: Fix build breakage introduced by OF helpers
[POWERPC] Optimize fls64() on 64-bit processors
[POWERPC] irqtrace support for 64-bit powerpc
[POWERPC] Stacktrace support for lockdep
[POWERPC] Move stackframe definitions to common header
[POWERPC] Fix device-tree locking vs. interrupts
[POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
[POWERPC] Remove unused __max_memory variable
[POWERPC] Simplify xics direct/lpar irq_host setup
[POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
[POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
[POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
[POWERPC] Use asm-generic/bitops/find.h in bitops.h
[POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
[POWERPC] 85xx: Fix the size of qe muram for MPC8568E
[POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
[POWERPC] 86xx: mark functions static, other minor cleanups
...
Diffstat (limited to 'arch/powerpc/boot/devtree.c')
| -rw-r--r-- | arch/powerpc/boot/devtree.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 60f561e307a9..5d12336dc360 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -350,3 +350,23 @@ int dt_is_compatible(void *node, const char *compat) return 0; } + +int dt_get_virtual_reg(void *node, void **addr, int nres) +{ + unsigned long xaddr; + int n; + + n = getprop(node, "virtual-reg", addr, nres * 4); + if (n > 0) + return n / 4; + + for (n = 0; n < nres; n++) { + if (!dt_xlate_reg(node, n, &xaddr, NULL)) + break; + + addr[n] = (void *)xaddr; + } + + return n; +} + |