diff --git a/[refs] b/[refs]
index 5ac869e39dfb..b179994aea2d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6ae42bb22b40254e6488bbfe47f970620ab6d433
+refs/heads/master: 56fb523f12665974bd249a39524b75b4f5e57388
diff --git a/trunk/arch/arm/mach-shmobile/board-mackerel.c b/trunk/arch/arm/mach-shmobile/board-mackerel.c
index b577f7c44678..150122a44630 100644
--- a/trunk/arch/arm/mach-shmobile/board-mackerel.c
+++ b/trunk/arch/arm/mach-shmobile/board-mackerel.c
@@ -1512,6 +1512,9 @@ static void __init mackerel_init(void)
 	gpio_request(GPIO_FN_SDHID0_1, NULL);
 	gpio_request(GPIO_FN_SDHID0_0, NULL);
 
+	/* SDHI0 PORT172 card-detect IRQ26 */
+	gpio_request(GPIO_FN_IRQ26_172, NULL);
+
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
 	/* enable SDHI1 */
 	gpio_request(GPIO_FN_SDHICMD1, NULL);