3 files changed, 35 insertions, 14 deletions

diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 53da8a079f9..00d3d17c84a 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -254,15 +254,11 @@ static int cpm2_gpio32_get(struct gpio_chip *gc, unsigned int gpio)
 	return !!(in_be32(&iop->dat) & pin_mask);
 }
 
-static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
+static void __cpm2_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
+	int value)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct cpm2_gpio32_chip *cpm2_gc = to_cpm2_gpio32_chip(mm_gc);
 	struct cpm2_ioports __iomem *iop = mm_gc->regs;
-	unsigned long flags;
-	u32 pin_mask = 1 << (31 - gpio);
-
-	spin_lock_irqsave(&cpm2_gc->lock, flags);
 
 	if (value)
 		cpm2_gc->cpdata |= pin_mask;
@@ -270,6 +266,18 @@ static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
 		cpm2_gc->cpdata &= ~pin_mask;
 
 	out_be32(&iop->dat, cpm2_gc->cpdata);
+}
+
+static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct cpm2_gpio32_chip *cpm2_gc = to_cpm2_gpio32_chip(mm_gc);
+	unsigned long flags;
+	u32 pin_mask = 1 << (31 - gpio);
+
+	spin_lock_irqsave(&cpm2_gc->lock, flags);
+
+	__cpm2_gpio32_set(mm_gc, pin_mask, value);
 
 	spin_unlock_irqrestore(&cpm2_gc->lock, flags);
 }
@@ -277,14 +285,17 @@ static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
 static int cpm2_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 {
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct cpm2_gpio32_chip *cpm2_gc = to_cpm2_gpio32_chip(mm_gc);
 	struct cpm2_ioports __iomem *iop = mm_gc->regs;
-	u32 pin_mask;
+	unsigned long flags;
+	u32 pin_mask = 1 << (31 - gpio);
 
-	pin_mask = 1 << (31 - gpio);
+	spin_lock_irqsave(&cpm2_gc->lock, flags);
 
 	setbits32(&iop->dir, pin_mask);
+	__cpm2_gpio32_set(mm_gc, pin_mask, val);
 
-	cpm2_gpio32_set(gc, gpio, val);
+	spin_unlock_irqrestore(&cpm2_gc->lock, flags);
 
 	return 0;
 }
@@ -292,13 +303,17 @@ static int cpm2_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 static int cpm2_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
 {
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct cpm2_gpio32_chip *cpm2_gc = to_cpm2_gpio32_chip(mm_gc);
 	struct cpm2_ioports __iomem *iop = mm_gc->regs;
-	u32 pin_mask;
+	unsigned long flags;
+	u32 pin_mask = 1 << (31 - gpio);
 
-	pin_mask = 1 << (31 - gpio);
+	spin_lock_irqsave(&cpm2_gc->lock, flags);
 
 	clrbits32(&iop->dir, pin_mask);
 
+	spin_unlock_irqrestore(&cpm2_gc->lock, flags);
+
 	return 0;
 }
 
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
index 1aecb075a72..25fbbfaa837 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
@@ -208,6 +208,7 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 	uccf->uf_regs = ioremap(uf_info->regs, sizeof(struct ucc_fast));
 	if (uccf->uf_regs == NULL) {
 		printk(KERN_ERR "%s: Cannot map UCC registers\n", __func__);
+		kfree(uccf);
 		return -ENOMEM;
 	}
 
@@ -355,6 +356,9 @@ void ucc_fast_free(struct ucc_fast_private * uccf)
 	if (uccf->ucc_fast_rx_virtual_fifo_base_offset)
 		qe_muram_free(uccf->ucc_fast_rx_virtual_fifo_base_offset);
 
+	if (uccf->uf_regs)
+		iounmap(uccf->uf_regs);
+
 	kfree(uccf);
 }
 EXPORT_SYMBOL(ucc_fast_free);
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
index a578bc77b9d..e1d6a134015 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
@@ -171,6 +171,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	uccs->us_regs = ioremap(us_info->regs, sizeof(struct ucc_slow));
 	if (uccs->us_regs == NULL) {
 		printk(KERN_ERR "%s: Cannot map UCC registers\n", __func__);
+		kfree(uccs);
 		return -ENOMEM;
 	}
 
@@ -367,10 +368,11 @@ void ucc_slow_free(struct ucc_slow_private * uccs)
 	if (uccs->tx_base_offset)
 		qe_muram_free(uccs->tx_base_offset);
 
-	if (uccs->us_pram) {
+	if (uccs->us_pram)
 		qe_muram_free(uccs->us_pram_offset);
-		uccs->us_pram = NULL;
-	}
+
+	if (uccs->us_regs)
+		iounmap(uccs->us_regs);
 
 	kfree(uccs);
 }