Re: [PATCH] powerpc: Export cpu_to_chip_id() to fix build error

On 09/11/2013 03:33 AM, Benjamin Herrenschmidt wrote:

On Mon, 2013-09-09 at 18:37 -0700, Guenter Roeck wrote:

quoted

powerpc allmodconfig build fails with:

ERROR: ".cpu_to_chip_id" [drivers/block/mtip32xx/mtip32xx.ko] undefined!

The problem was introduced with commit 15863ff3b (powerpc: Make chip-id
information available to userspace).

Thanks, I'll send that to Linus asap.

Verified on today's Linus tree. This issue is fixed.

Thanks a lot.

-Vasant

Ben.

quoted

Export the missing symbol.

Cc: Vasant Hegde <redacted>
Cc: Shivaprasad G Bhat <redacted>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
  arch/powerpc/kernel/smp.c |    1 +
  1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 442d8e2..8e59abc 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c

@@ -611,6 +611,7 @@ int cpu_to_chip_id(int cpu)
  	of_node_put(np);
  	return of_get_ibm_chip_id(np);
  }
+EXPORT_SYMBOL(cpu_to_chip_id);

  /* Helper routines for cpu to core mapping */
  int cpu_core_index_of_thread(int cpu)

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