On 01/31/2015 08:45 AM, Tejun Heo wrote:
On Sat, Jan 31, 2015 at 08:32:18AM -0800, Guenter Roeck wrote:
of_platform_device_create does not exist if OF_ADDRESS is not configured,
so limit its use accordingly.

Without this fix, the sparc64:allmodconfig build fails with

ERROR: "of_platform_device_create" [drivers/ata/libahci_platform.ko] undefined!

Fixes: c7d7ddee7e24 ("ata: libahci: Allow using multiple regulators")
Cc: Gregory CLEMENT <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
---
Applies to -next.

  drivers/ata/libahci_platform.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 077c7a2..de9a5dc 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -434,7 +434,8 @@ struct ahci_host_priv *ahci_platform_get_resources(struct 
platform_device *pdev)
                        }
                        mask_port_map |= BIT(port);

-                       of_platform_device_create(child, NULL, NULL);
+                       if (IS_ENABLED(CONFIG_OF_ADDRESS))
+                               of_platform_device_create(child, NULL, NULL);

This is weird.  Please either define a proper dummy version of the
function in the appropriate header file or take out the whole
invocation section w/ #ifndef.  The above is a weird hybrid where both
the declaration and the user here are doing things half-way.  Please
don't do this in other places either.


I agree, it is weird, as is the whole "all API functions associated
with OF_ADDRESS are handled differently on sparc" thing. But that
is neither new nor something I can fix.

No problem, I'll resubmit with #ifndef.

Guenter

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