linux-kernel - [PATCH staging] drivers/hwtracing: fix coresight-replicator-qcom implicit <module.h> usage

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Date:	Wed, 3 Jun 2015 16:52:57 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	<linux-kernel@...r.kernel.org>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Pratik Patel <pratikp@...eaurora.org>,
	"Ivan T. Ivanov" <ivan.ivanov@...aro.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH staging] drivers/hwtracing: fix coresight-replicator-qcom implicit <module.h> usage

In commit 620cf787c121f39b5223e43bad3d1b7c66ecead5 ("coresight: replicator:
Add Qualcomm CoreSight Replicator driver") this driver was added.

It uses module_amba_driver(replicator_driver) to register itself with
the system -- which is just an alias for module_driver.  This currently
works by relying on getting that via init.h but we are planning to move
that code[1] to module.h -- at which time this will fail to compile since
it does not include module.h currently, resulting in:

drivers/hwtracing/coresight/coresight-replicator-qcom.c:214:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int]
drivers/hwtracing/coresight/coresight-replicator-qcom.c:214:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int]

In the future, the amba support may want to create another alias that
uses builtin_driver[2] for cases like this which are using bool Kconfig
triggers, but for now we just fix the implicit include.

[1] https://lkml.kernel.org/r/1433276168-21550-1-git-send-email-paul.gortmaker@windriver.com
[2] https://lkml.kernel.org/r/1431287385-1526-1-git-send-email-paul.gortmaker@windriver.com

Cc: Pratik Patel <pratikp@...eaurora.org>
Cc: Ivan T. Ivanov <ivan.ivanov@...aro.org>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---

[Note: Commit 620cf787c121 is only in linux-next trees via staging-next;
 this fixes a next build fail when staging-next is merged with [1] above.]

 drivers/hwtracing/coresight/coresight-replicator-qcom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwtracing/coresight/coresight-replicator-qcom.c b/drivers/hwtracing/coresight/coresight-replicator-qcom.c
index deacea49af36..584059e9e866 100644
--- a/drivers/hwtracing/coresight/coresight-replicator-qcom.c
+++ b/drivers/hwtracing/coresight/coresight-replicator-qcom.c
@@ -15,6 +15,7 @@
 #include <linux/clk.h>
 #include <linux/coresight.h>
 #include <linux/device.h>
+#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/io.h>
-- 
2.2.1

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