linux-kernel - [PATCH 05/11] powerpc: use subsys_initcall for Freescale Local Bus

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Date:	Sun, 31 May 2015 20:54:06 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Scott Wood <scottwood@...escale.com>,
	<linuxppc-dev@...ts.ozlabs.org>
Subject: [PATCH 05/11] powerpc: use subsys_initcall for Freescale Local Bus

The FSL_SOC option is bool, and hence this code is either
present or absent.  It will never be modular, so using
module_init as an alias for __initcall is rather misleading.

Fix this up now, so that we can relocate module_init from
init.h into module.h in the future.  If we don't do this, we'd
have to add module.h to obviously non-modular code, and that
would be a worse thing.

Note that direct use of __initcall is discouraged, vs. one
of the priority categorized subgroups.  As __initcall gets
mapped onto device_initcall, our use of subsys_initcall (which
makes sense for bus code) will thus change this registration
from level 6-device to level 4-subsys (i.e. slightly earlier).
However no observable impact of that small difference has
been observed during testing, or is expected.

Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Scott Wood <scottwood@...escale.com>
Acked-by: Scott Wood <scottwood@...escale.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 arch/powerpc/sysdev/fsl_lbc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c
index d631022ffb4b..38138cf8d33e 100644
--- a/arch/powerpc/sysdev/fsl_lbc.c
+++ b/arch/powerpc/sysdev/fsl_lbc.c
@@ -407,4 +407,4 @@ static int __init fsl_lbc_init(void)
 {
 	return platform_driver_register(&fsl_lbc_ctrl_driver);
 }
-module_init(fsl_lbc_init);
+subsys_initcall(fsl_lbc_init);
-- 
2.2.1

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