linux-kernel - [PATCH v3 1/2] uio: Use of_match_ptr() macro in uio_pdrv

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Message-Id: <03c8973cc1e9efcd203e4d95d2dd9469afbcb39b.1372240320.git.michal.simek@xilinx.com>
Date:	Wed, 26 Jun 2013 11:52:11 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	linux-kernel@...r.kernel.org
Cc:	Michal Simek <monstr@...str.eu>,
	Michal Simek <michal.simek@...inx.com>,
	Pavel Machek <pavel@....cz>, "Hans J. Koch" <hjk@...sjkoch.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org
Subject: [PATCH v3 1/2] uio: Use of_match_ptr() macro in uio_pdrv_genirq.c

This eliminates having an #ifdef returning NULL for the case
when OF is disabled.

Signed-off-by: Michal Simek <michal.simek@...inx.com>

---
Changes in v3:
- Rebased on Pavel's UIO patch
  UIO: allow binding uio_pdrv_genirq.c to devices using command line option
  (sha1: 05c3e0bb5629b897b0459e4bfb1b93d729033b99)

Changes in v2:
- s/Use Use/Use/ from patch subject

 drivers/uio/uio_pdrv_genirq.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index bcd72f3..ad77450 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -274,8 +274,6 @@ MODULE_DEVICE_TABLE(of, uio_of_genirq_match);

 module_param_string(of_id, uio_of_genirq_match[0].compatible, 128, 0);
 MODULE_PARM_DESC(of_id, "Openfirmware id of the device to be handled by uio");
-#else
-# define uio_of_genirq_match NULL
 #endif

 static struct platform_driver uio_pdrv_genirq = {
@@ -285,7 +283,7 @@ static struct platform_driver uio_pdrv_genirq = {
 		.name = DRIVER_NAME,
 		.owner = THIS_MODULE,
 		.pm = &uio_pdrv_genirq_dev_pm_ops,
-		.of_match_table = uio_of_genirq_match,
+		.of_match_table = of_match_ptr(uio_of_genirq_match),
 	},
 };

--
1.8.2.3


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