linux-kernel - [PATCH] net: fsl: avoid 64-bit warning on pq

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Message-ID: <2847304.4thPqtFFJS@wuerfel>
Date:	Tue, 08 Dec 2015 16:17:29 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Gerlando Falauto <gerlando.falauto@...mile.com>,
	netdev@...r.kernel.org, Shaohui Xie <Shaohui.Xie@...escale.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] net: fsl: avoid 64-bit warning on pq_mdio

The pq_mdio driver can now be built for ARM64, where we get a format
string warning:

drivers/net/ethernet/freescale/fsl_pq_mdio.c: In function 'fsl_pq_mdio_probe':
drivers/net/ethernet/freescale/fsl_pq_mdio.c:467:25: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'long int' [-Wformat=]

The argument is an implicit ptrdiff_t from the subtraction of two pointers,
so we should use the %z format string modifier to make this work on 64-bit
architectures.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: fe761bcb9046 ("net: fsl: expands dependencies of NET_VENDOR_FREESCALE")
---
 drivers/net/ethernet/freescale/fsl_pq_mdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 55c36230e176..40071dad1c57 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -464,7 +464,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 			 * address). Print error message but continue anyway.
 			 */
 			if ((void *)tbipa > priv->map + resource_size(&res) - 4)
-				dev_err(&pdev->dev, "invalid register map (should be at least 0x%04x to contain TBI address)\n",
+				dev_err(&pdev->dev, "invalid register map (should be at least 0x%04zx to contain TBI address)\n",
 					((void *)tbipa - priv->map) + 4);
 
 			iowrite32be(be32_to_cpup(prop), tbipa);
-- 
2.1.0.rc2


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