From mboxrd@z Thu Jan 1 00:00:00 1970 From: khalasa@piap.pl (Krzysztof =?utf-8?Q?Ha=C5=82asa?=) Date: Wed, 25 Nov 2015 13:31:16 +0100 Subject: [PATCH] ARM: ixp4xx: fix read{b,w,l} return types In-Reply-To: <4577677.sEiIMqkHSM@wuerfel> (Arnd Bergmann's message of "Fri, 20 Nov 2015 23:20:28 +0100") References: <4577677.sEiIMqkHSM@wuerfel> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Arnd Bergmann writes: > On ixp4xx, the readl() function returns an 'unsigned long' output > when indirect I/O is used. This is unlike any other platform, and > it causes lots of harmless compiler warnings, such as: > > drivers/ata/libahci.c: In function 'ahci_show_host_version': > drivers/ata/libahci.c:254:22: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'long unsigned int' [-Wformat=] > drivers/block/mtip32xx/mtip32xx.c: In function 'mtip_hw_read_registers': > drivers/block/mtip32xx/mtip32xx.c:2602:31: warning: format '%X' expects argument of type 'unsigned int', but argument 3 has type 'long unsigned int' [-Wformat=] > drivers/block/cciss.c: In function 'print_cfg_table': > drivers/block/cciss.c:3845:25: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=] > > This changes all six of the ixp4xx specific I/O read functions > to return the same types that we have in the normal asm/io.h, > to avoid the warnings. Thanks for fixing this. Acked-by: Krzysztof Halasa -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland