[PATCH] powerpc: Allow for ppc_md restart, power_off, and halt to be NULL
From: Kumar Gala <hidden>
Date: 2006-01-13 16:15:17
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
On a number of embedded reference boards there isn't always a way to reset, power_off, or halt the board. Rather than having each board implement a spin loop just let the generic code do it. Signed-off-by: Kumar Gala <redacted> --- commit be64cad3bdcae667f790fcf6f3e066be498baa83 tree 1437c325cfda412ded472c3dee505f81468f41b0 parent 66c0ddd1284ef56bfeb41374b51edfd0c8a980a8 author Kumar Gala [off-list ref] Fri, 13 Jan 2006 09:46:28 -0600 committer Kumar Gala [off-list ref] Fri, 13 Jan 2006 09:46:28 -0600 arch/powerpc/kernel/setup-common.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index d5c52fa..be12041 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c@@ -100,7 +100,8 @@ void machine_shutdown(void) void machine_restart(char *cmd) { machine_shutdown(); - ppc_md.restart(cmd); + if (ppc_md.restart) + ppc_md.restart(cmd); #ifdef CONFIG_SMP smp_send_stop(); #endif
@@ -112,7 +113,8 @@ void machine_restart(char *cmd) void machine_power_off(void) { machine_shutdown(); - ppc_md.power_off(); + if (ppc_md.power_off) + ppc_md.power_off(); #ifdef CONFIG_SMP smp_send_stop(); #endif
@@ -129,7 +131,8 @@ EXPORT_SYMBOL_GPL(pm_power_off); void machine_halt(void) { machine_shutdown(); - ppc_md.halt(); + if (ppc_md.halt) + ppc_md.halt(); #ifdef CONFIG_SMP smp_send_stop(); #endif