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Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d2e0f1c95961..633b216a8b26 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -45,11 +45,11 @@
45#include <linux/mutex.h> 45#include <linux/mutex.h>
46#include <linux/bootmem.h> 46#include <linux/bootmem.h>
47 47
48#include <mach/cpu.h> 48#include <plat/cpu.h>
49#include <mach/clockdomain.h> 49#include <plat/clockdomain.h>
50#include <mach/powerdomain.h> 50#include <plat/powerdomain.h>
51#include <mach/clock.h> 51#include <plat/clock.h>
52#include <mach/omap_hwmod.h> 52#include <plat/omap_hwmod.h>
53 53
54#include "cm.h" 54#include "cm.h"
55 55
@@ -496,6 +496,7 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
496 struct omap_hwmod_addr_space *mem; 496 struct omap_hwmod_addr_space *mem;
497 int i; 497 int i;
498 int found = 0; 498 int found = 0;
499 void __iomem *va_start;
499 500
500 if (!oh || oh->slaves_cnt == 0) 501 if (!oh || oh->slaves_cnt == 0)
501 return NULL; 502 return NULL;
@@ -509,16 +510,20 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
509 } 510 }
510 } 511 }
511 512
512 /* XXX use ioremap() instead? */ 513 if (found) {
513 514 va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
514 if (found) 515 if (!va_start) {
516 pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
517 return NULL;
518 }
515 pr_debug("omap_hwmod: %s: MPU register target at va %p\n", 519 pr_debug("omap_hwmod: %s: MPU register target at va %p\n",
516 oh->name, OMAP2_IO_ADDRESS(mem->pa_start)); 520 oh->name, va_start);
517 else 521 } else {
518 pr_debug("omap_hwmod: %s: no MPU register target found\n", 522 pr_debug("omap_hwmod: %s: no MPU register target found\n",
519 oh->name); 523 oh->name);
524 }
520 525
521 return (found) ? OMAP2_IO_ADDRESS(mem->pa_start) : NULL; 526 return (found) ? va_start : NULL;
522} 527}
523 528
524/** 529/**
@@ -1148,6 +1153,7 @@ int omap_hwmod_unregister(struct omap_hwmod *oh)
1148 pr_debug("omap_hwmod: %s: unregistering\n", oh->name); 1153 pr_debug("omap_hwmod: %s: unregistering\n", oh->name);
1149 1154
1150 mutex_lock(&omap_hwmod_mutex); 1155 mutex_lock(&omap_hwmod_mutex);
1156 iounmap(oh->_rt_va);
1151 list_del(&oh->node); 1157 list_del(&oh->node);
1152 mutex_unlock(&omap_hwmod_mutex); 1158 mutex_unlock(&omap_hwmod_mutex);
1153 1159