diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index aa8bb0208bcc8..2b175ddf82f0b 100644
--- a/arch/powerpc/configs/ps3_defconfig
+++ b/arch/powerpc/configs/ps3_defconfig
@@ -24,7 +24,6 @@ CONFIG_PS3_VRAM=m
 CONFIG_PS3_LPM=m
 # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
 CONFIG_KEXEC=y
-# CONFIG_PPC64_BIG_ENDIAN_ELF_ABI_V2 is not set
 CONFIG_PPC_4K_PAGES=y
 CONFIG_SCHED_SMT=y
 CONFIG_PM=y
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 3bd6e6e0224c8..07a204d210344 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -545,19 +545,20 @@ enum {
 #define CPU_FTRS_DT_CPU_BASE	(~0ul)
 #endif
 
+/* pseries may disable DBELL with ibm,pi-features */
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
 #define CPU_FTRS_ALWAYS \
-	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
-	     CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
-	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
+	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \
+	     CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \
+	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
 #else
 #define CPU_FTRS_ALWAYS		\
 	    (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
 	     CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
 	     CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
-	     ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
-	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
+	     ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \
+	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
 #endif
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index e7792aa135105..041ee25955205 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -201,11 +201,13 @@
 
 #ifdef CONFIG_PPC64_ELF_ABI_V2
 #define STK_GOT		24
-#define __STK_PARAM(i)	(32 + ((i)-3)*8)
+#define STK_PARAM_AREA	32
 #else
 #define STK_GOT		40
-#define __STK_PARAM(i)	(48 + ((i)-3)*8)
+#define STK_PARAM_AREA	48
 #endif
+
+#define __STK_PARAM(i)	(STK_PARAM_AREA + ((i)-3)*8)
 #define STK_PARAM(i)	__STK_PARAM(__REG_##i)
 
 #ifdef CONFIG_PPC64_ELF_ABI_V2
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index f2c2f79ea4770..1dc32a0581561 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -151,6 +151,9 @@ static void __init move_device_tree(void)
  * pa-features property is missing, or a 1/0 to indicate if the feature
  * is supported/not supported.  Note that the bit numbers are
  * big-endian to match the definition in PAPR.
+ * Note: the 'clear' flag clears the feature if the bit is set in the
+ * ibm,pa/pi-features property, it does not set the feature if the
+ * bit is clear.
  */
 struct ibm_feature {
 	unsigned long	cpu_features;	/* CPU_FTR_xxx bit */
@@ -159,7 +162,7 @@ struct ibm_feature {
 	unsigned int	cpu_user_ftrs2;	/* PPC_FEATURE2_xxx bit */
 	unsigned char	pabyte;		/* byte number in ibm,pa/pi-features */
 	unsigned char	pabit;		/* bit number (big-endian) */
-	unsigned char	invert;		/* if 1, pa bit set => clear feature */
+	unsigned char	clear;		/* if 1, pa bit set => clear feature */
 };
 
 static struct ibm_feature ibm_pa_features[] __initdata = {
@@ -193,6 +196,7 @@ static struct ibm_feature ibm_pa_features[] __initdata = {
  */
 static struct ibm_feature ibm_pi_features[] __initdata = {
 	{ .pabyte = 0, .pabit = 3, .mmu_features  = MMU_FTR_NX_DSI },
+	{ .pabyte = 0, .pabit = 4, .cpu_features  = CPU_FTR_DBELL, .clear = 1 },
 };
 
 static void __init scan_features(unsigned long node, const unsigned char *ftrs,
@@ -220,12 +224,12 @@ static void __init scan_features(unsigned long node, const unsigned char *ftrs,
 		if (fp->pabyte >= ftrs[0])
 			continue;
 		bit = (ftrs[2 + fp->pabyte] >> (7 - fp->pabit)) & 1;
-		if (bit ^ fp->invert) {
+		if (bit && !fp->clear) {
 			cur_cpu_spec->cpu_features |= fp->cpu_features;
 			cur_cpu_spec->cpu_user_features |= fp->cpu_user_ftrs;
 			cur_cpu_spec->cpu_user_features2 |= fp->cpu_user_ftrs2;
 			cur_cpu_spec->mmu_features |= fp->mmu_features;
-		} else {
+		} else if (bit == fp->clear) {
 			cur_cpu_spec->cpu_features &= ~fp->cpu_features;
 			cur_cpu_spec->cpu_user_features &= ~fp->cpu_user_ftrs;
 			cur_cpu_spec->cpu_user_features2 &= ~fp->cpu_user_ftrs2;
diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c
index 751395cbf0222..34ce21f42623f 100644
--- a/arch/powerpc/platforms/85xx/sgy_cts1000.c
+++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c
@@ -114,7 +114,7 @@ static int gpio_halt_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int gpio_halt_remove(struct platform_device *pdev)
+static void gpio_halt_remove(struct platform_device *pdev)
 {
 	free_irq(halt_irq, pdev);
 	cancel_work_sync(&gpio_halt_wq);
@@ -124,8 +124,6 @@ static int gpio_halt_remove(struct platform_device *pdev)
 
 	gpiod_put(halt_gpio);
 	halt_gpio = NULL;
-
-	return 0;
 }
 
 static const struct of_device_id gpio_halt_match[] = {
@@ -145,7 +143,7 @@ static struct platform_driver gpio_halt_driver = {
 		.of_match_table = gpio_halt_match,
 	},
 	.probe		= gpio_halt_probe,
-	.remove		= gpio_halt_remove,
+	.remove_new	= gpio_halt_remove,
 };
 
 module_platform_driver(gpio_halt_driver);
diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c
index fd130fe7a65ac..4e983af329492 100644
--- a/arch/powerpc/platforms/pasemi/gpio_mdio.c
+++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c
@@ -260,7 +260,7 @@ static int gpio_mdio_probe(struct platform_device *ofdev)
 }
 
 
-static int gpio_mdio_remove(struct platform_device *dev)
+static void gpio_mdio_remove(struct platform_device *dev)
 {
 	struct mii_bus *bus = dev_get_drvdata(&dev->dev);
 
@@ -271,8 +271,6 @@ static int gpio_mdio_remove(struct platform_device *dev)
 	kfree(bus->priv);
 	bus->priv = NULL;
 	mdiobus_free(bus);
-
-	return 0;
 }
 
 static const struct of_device_id gpio_mdio_match[] =
@@ -287,7 +285,7 @@ MODULE_DEVICE_TABLE(of, gpio_mdio_match);
 static struct platform_driver gpio_mdio_driver =
 {
 	.probe		= gpio_mdio_probe,
-	.remove		= gpio_mdio_remove,
+	.remove_new	= gpio_mdio_remove,
 	.driver = {
 		.name = "gpio-mdio-bitbang",
 		.of_match_table = gpio_mdio_match,
diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c
index b66b06efcef1e..24f04f20d3e85 100644
--- a/arch/powerpc/platforms/powernv/opal-prd.c
+++ b/arch/powerpc/platforms/powernv/opal-prd.c
@@ -425,12 +425,11 @@ static int opal_prd_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int opal_prd_remove(struct platform_device *pdev)
+static void opal_prd_remove(struct platform_device *pdev)
 {
 	misc_deregister(&opal_prd_dev);
 	opal_message_notifier_unregister(OPAL_MSG_PRD, &opal_prd_event_nb);
 	opal_message_notifier_unregister(OPAL_MSG_PRD2, &opal_prd_event_nb2);
-	return 0;
 }
 
 static const struct of_device_id opal_prd_match[] = {
@@ -444,7 +443,7 @@ static struct platform_driver opal_prd_driver = {
 		.of_match_table	= opal_prd_match,
 	},
 	.probe	= opal_prd_probe,
-	.remove	= opal_prd_remove,
+	.remove_new = opal_prd_remove,
 };
 
 module_platform_driver(opal_prd_driver);
diff --git a/arch/powerpc/platforms/ps3/hvcall.S b/arch/powerpc/platforms/ps3/hvcall.S
index 509e30ad01bb4..e8ab3d6b03bd2 100644
--- a/arch/powerpc/platforms/ps3/hvcall.S
+++ b/arch/powerpc/platforms/ps3/hvcall.S
@@ -9,6 +9,7 @@
 
 #include <asm/processor.h>
 #include <asm/ppc_asm.h>
+#include <asm/ptrace.h>
 
 #define lv1call .long 0x44000022; extsw r3, r3
 
@@ -16,12 +17,14 @@
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
+	stdu    r1, -STACK_FRAME_MIN_SIZE(r1);	\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE;	\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -38,18 +41,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r3, -8(r1);			\
+	std	r3, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -57,21 +61,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r3, -8(r1);			\
-	stdu	r4, -16(r1);			\
+	std	r4, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -79,16 +84,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r3, -8(r1);			\
 	std	r4, -16(r1);			\
-	stdu	r5, -24(r1);			\
+	std	r5, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -96,7 +102,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -104,7 +110,7 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r3, -8(r1);			\
 	std	r4, -16(r1);			\
@@ -112,12 +118,13 @@ _GLOBAL(_##API_NAME)				\
 	std	r6, -32(r1);			\
 	std	r7, -40(r1);			\
 	std	r8, -48(r1);			\
-	stdu	r9, -56(r1);			\
+	std	r9, -56(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-56(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 56;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+56; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -133,7 +140,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -56(r1);			\
 	std	r10, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -141,18 +148,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r4, -8(r1);			\
+	std	r4, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -160,21 +168,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
-	stdu	r5, -16(r1);			\
+	std	r5, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -182,16 +191,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
 	std	r5, -16(r1);			\
-	stdu	r6, -24(r1);			\
+	std	r6, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -199,7 +209,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -207,17 +217,18 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
 	std	r5, -16(r1);			\
 	std	r6, -24(r1);			\
-	stdu	r7, -32(r1);			\
+	std	r7, -32(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-32(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 32;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+32; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -227,7 +238,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -32(r1);			\
 	std	r7, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -235,18 +246,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
 	std	r5, -16(r1);			\
 	std	r6, -24(r1);			\
 	std	r7, -32(r1);			\
-	stdu	r8, -40(r1);			\
+	std	r8, -40(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-40(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 40;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+40; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -258,7 +270,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -40(r1);			\
 	std	r8, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -266,19 +278,20 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
 	std	r5, -16(r1);			\
 	std	r6, -24(r1);			\
 	std	r7, -32(r1);			\
 	std	r8, -40(r1);			\
-	stdu	r9, -48(r1);			\
+	std	r9, -48(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-48(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 48;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+48; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -292,7 +305,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -48(r1);			\
 	std	r9, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -300,7 +313,7 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r4, -8(r1);			\
 	std	r5, -16(r1);			\
@@ -308,12 +321,13 @@ _GLOBAL(_##API_NAME)				\
 	std	r7, -32(r1);			\
 	std	r8, -40(r1);			\
 	std	r9, -48(r1);			\
-	stdu	r10, -56(r1);			\
+	std	r10, -56(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-56(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 56;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+56; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -329,7 +343,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -56(r1);			\
 	std	r10, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -337,18 +351,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu	r5, -8(r1);			\
+	std	r5, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -356,21 +371,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r5, -8(r1);			\
-	stdu	r6, -16(r1);			\
+	std	r6, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -378,16 +394,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r5, -8(r1);			\
 	std	r6, -16(r1);			\
-	stdu	r7, -24(r1);			\
+	std	r7, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -395,7 +412,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -403,17 +420,18 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r5, -8(r1);			\
 	std	r6, -16(r1);			\
 	std	r7, -24(r1);			\
-	stdu	r8, -32(r1);			\
+	std	r8, -32(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-32(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 32;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+32;\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -423,7 +441,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -32(r1);			\
 	std	r7, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -431,18 +449,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r5, -8(r1);			\
 	std	r6, -16(r1);			\
 	std	r7, -24(r1);			\
 	std	r8, -32(r1);			\
-	stdu	r9, -40(r1);			\
+	std	r9, -40(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-40(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 40;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+40; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -454,7 +473,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -40(r1);			\
 	std	r8, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -462,18 +481,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu	r6, -8(r1);			\
+	std	r6, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -481,21 +501,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r6, -8(r1);			\
-	stdu	r7, -16(r1);			\
+	std	r7, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -503,16 +524,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r6, -8(r1);			\
 	std	r7, -16(r1);			\
-	stdu	r8, -24(r1);			\
+	std	r8, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -520,7 +542,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -528,18 +550,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r7, -8(r1);			\
+	std	r7, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -547,21 +570,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r7, -8(r1);			\
-	stdu	r8, -16(r1);			\
+	std	r8, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -569,16 +593,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r7, -8(r1);			\
 	std	r8, -16(r1);			\
-	stdu	r9, -24(r1);			\
+	std	r9, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -586,7 +611,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -594,18 +619,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r8, -8(r1);			\
+	std	r8, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -613,21 +639,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r8, -8(r1);			\
-	stdu	r9, -16(r1);			\
+	std	r9, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -635,16 +662,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r8, -8(r1);			\
 	std	r9, -16(r1);			\
-	stdu	r10, -24(r1);			\
+	std	r10, -24(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-24(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 24;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+24; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
@@ -652,7 +680,7 @@ _GLOBAL(_##API_NAME)				\
 	ld	r11, -24(r1);			\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -660,18 +688,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r9, -8(r1);			\
+	std	r9, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -679,21 +708,22 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r9, -8(r1);			\
-	stdu    r10, -16(r1);			\
+	std	r10, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -701,23 +731,24 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
 	std     r9, -8(r1);			\
-	stdu    r10, -16(r1);			\
+	std	r10, -16(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-16(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 16;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+16; \
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 	ld	r11, -16(r1);			\
 	std	r5, 0(r11);			\
-	ld	r11, 48+8*8(r1);		\
+	ld	r11, STK_PARAM_AREA+8*8(r1);	\
 	std	r6, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -725,18 +756,19 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	stdu    r10, -8(r1);			\
+	std	r10, -8(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE-8(r1); \
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	addi	r1, r1, 8;			\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE+8;	\
 	ld	r11, -8(r1);			\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -744,27 +776,29 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
 						\
-	std	r10, 48+8*7(r1);		\
+	std	r10, STK_PARAM_AREA+8*7(r1);	\
+	stdu    r1, -STACK_FRAME_MIN_SIZE(r1);	\
 						\
 	li	r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	ld	r11, 48+8*7(r1);		\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE;	\
+	ld	r11, STK_PARAM_AREA+8*7(r1);	\
 	std	r4, 0(r11);			\
-	ld	r11, 48+8*8(r1);		\
+	ld	r11, STK_PARAM_AREA+8*8(r1);	\
 	std	r5, 0(r11);			\
-	ld	r11, 48+8*9(r1);		\
+	ld	r11, STK_PARAM_AREA+8*9(r1);	\
 	std	r6, 0(r11);			\
-	ld	r11, 48+8*10(r1);		\
+	ld	r11, STK_PARAM_AREA+8*10(r1);	\
 	std	r7, 0(r11);			\
-	ld	r11, 48+8*11(r1);		\
+	ld	r11, STK_PARAM_AREA+8*11(r1);	\
 	std	r8, 0(r11);			\
-	ld	r11, 48+8*12(r1);		\
+	ld	r11, STK_PARAM_AREA+8*12(r1);	\
 	std	r9, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
@@ -772,15 +806,17 @@ _GLOBAL(_##API_NAME)				\
 _GLOBAL(_##API_NAME)				\
 						\
 	mflr	r0;				\
-	std	r0, 16(r1);			\
+	std	r0, LRSAVE(r1);			\
+	stdu    r1, -STACK_FRAME_MIN_SIZE(r1);	\
 						\
 	li      r11, API_NUMBER;		\
 	lv1call;				\
 						\
-	ld	r11, 48+8*8(r1);		\
+	addi	r1, r1, STACK_FRAME_MIN_SIZE;	\
+	ld	r11, STK_PARAM_AREA+8*8(r1);	\
 	std	r4, 0(r11);			\
 						\
-	ld	r0, 16(r1);			\
+	ld	r0, LRSAVE(r1);			\
 	mtlr	r0;				\
 	blr
 
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 1a53e048ceb76..c233f9db039ba 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -1521,7 +1521,7 @@ err:	kfree(p);
 	return rc;
 }
 
-static int papr_scm_remove(struct platform_device *pdev)
+static void papr_scm_remove(struct platform_device *pdev)
 {
 	struct papr_scm_priv *p = platform_get_drvdata(pdev);
 
@@ -1538,8 +1538,6 @@ static int papr_scm_remove(struct platform_device *pdev)
 	pdev->archdata.priv = NULL;
 	kfree(p->bus_desc.provider_name);
 	kfree(p);
-
-	return 0;
 }
 
 static const struct of_device_id papr_scm_match[] = {
@@ -1550,7 +1548,7 @@ static const struct of_device_id papr_scm_match[] = {
 
 static struct platform_driver papr_scm_driver = {
 	.probe = papr_scm_probe,
-	.remove = papr_scm_remove,
+	.remove_new = papr_scm_remove,
 	.driver = {
 		.name = "papr_scm",
 		.of_match_table = papr_scm_match,
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 558ec68d768e6..8e6c84df4ca10 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -320,7 +320,7 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data)
 	return ret;
 }
 
-static int fsl_of_msi_remove(struct platform_device *ofdev)
+static void fsl_of_msi_remove(struct platform_device *ofdev)
 {
 	struct fsl_msi *msi = platform_get_drvdata(ofdev);
 	int virq, i;
@@ -343,8 +343,6 @@ static int fsl_of_msi_remove(struct platform_device *ofdev)
 	if ((msi->feature & FSL_PIC_IP_MASK) != FSL_PIC_IP_VMPIC)
 		iounmap(msi->msi_regs);
 	kfree(msi);
-
-	return 0;
 }
 
 static struct lock_class_key fsl_msi_irq_class;
@@ -603,7 +601,7 @@ static struct platform_driver fsl_of_msi_driver = {
 		.of_match_table = fsl_of_msi_ids,
 	},
 	.probe = fsl_of_msi_probe,
-	.remove = fsl_of_msi_remove,
+	.remove_new = fsl_of_msi_remove,
 };
 
 static __init int fsl_of_msi_init(void)
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index fcf8d1516210f..737f97fd67d72 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -173,7 +173,7 @@ static int pmi_of_probe(struct platform_device *dev)
 	return rc;
 }
 
-static int pmi_of_remove(struct platform_device *dev)
+static void pmi_of_remove(struct platform_device *dev)
 {
 	struct pmi_handler *handler, *tmp;
 
@@ -189,13 +189,11 @@ static int pmi_of_remove(struct platform_device *dev)
 
 	kfree(data);
 	data = NULL;
-
-	return 0;
 }
 
 static struct platform_driver pmi_of_platform_driver = {
 	.probe		= pmi_of_probe,
-	.remove		= pmi_of_remove,
+	.remove_new	= pmi_of_remove,
 	.driver = {
 		.name = "pmi",
 		.of_match_table = pmi_match,