Merge branch 'irq/urgent' into irq/core

Merge urgent fixes so pending patches for 4.9 can be applied.

113 files changed, 1385 insertions, 906 deletions

diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 17995fadebd7..82a081ea4317 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -419,7 +419,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
 	struct device *parent = NULL;
 	int retval;
 
-	trace_rpm_suspend(dev, rpmflags);
+	trace_rpm_suspend_rcuidle(dev, rpmflags);
 
  repeat:
 	retval = rpm_check_suspend_allowed(dev);
@@ -549,7 +549,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
 	}
 
  out:
-	trace_rpm_return_int(dev, _THIS_IP_, retval);
+	trace_rpm_return_int_rcuidle(dev, _THIS_IP_, retval);
 
 	return retval;
 
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 9af359544110..267f99523fbe 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -783,14 +783,14 @@ static struct ccu_reset_map sun8i_h3_ccu_resets[] = {
 	[RST_BUS_I2S1]		=  { 0x2d0, BIT(13) },
 	[RST_BUS_I2S2]		=  { 0x2d0, BIT(14) },
 
-	[RST_BUS_I2C0]		=  { 0x2d4, BIT(0) },
-	[RST_BUS_I2C1]		=  { 0x2d4, BIT(1) },
-	[RST_BUS_I2C2]		=  { 0x2d4, BIT(2) },
-	[RST_BUS_UART0]		=  { 0x2d4, BIT(16) },
-	[RST_BUS_UART1]		=  { 0x2d4, BIT(17) },
-	[RST_BUS_UART2]		=  { 0x2d4, BIT(18) },
-	[RST_BUS_UART3]		=  { 0x2d4, BIT(19) },
-	[RST_BUS_SCR]		=  { 0x2d4, BIT(20) },
+	[RST_BUS_I2C0]		=  { 0x2d8, BIT(0) },
+	[RST_BUS_I2C1]		=  { 0x2d8, BIT(1) },
+	[RST_BUS_I2C2]		=  { 0x2d8, BIT(2) },
+	[RST_BUS_UART0]		=  { 0x2d8, BIT(16) },
+	[RST_BUS_UART1]		=  { 0x2d8, BIT(17) },
+	[RST_BUS_UART2]		=  { 0x2d8, BIT(18) },
+	[RST_BUS_UART3]		=  { 0x2d8, BIT(19) },
+	[RST_BUS_SCR]		=  { 0x2d8, BIT(20) },
 };
 
 static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = {
diff --git a/drivers/clk/sunxi-ng/ccu_nk.c b/drivers/clk/sunxi-ng/ccu_nk.c
index 4470ffc8cf0d..d6fafb397489 100644
--- a/drivers/clk/sunxi-ng/ccu_nk.c
+++ b/drivers/clk/sunxi-ng/ccu_nk.c
@@ -14,9 +14,9 @@
 #include "ccu_gate.h"
 #include "ccu_nk.h"
 
-void ccu_nk_find_best(unsigned long parent, unsigned long rate,
-		      unsigned int max_n, unsigned int max_k,
-		      unsigned int *n, unsigned int *k)
+static void ccu_nk_find_best(unsigned long parent, unsigned long rate,
+			     unsigned int max_n, unsigned int max_k,
+			     unsigned int *n, unsigned int *k)
 {
 	unsigned long best_rate = 0;
 	unsigned int best_k = 0, best_n = 0;
diff --git a/drivers/clk/sunxi/clk-a10-pll2.c b/drivers/clk/sunxi/clk-a10-pll2.c
index 0ee1f363e4be..d8eab90ae661 100644
--- a/drivers/clk/sunxi/clk-a10-pll2.c
+++ b/drivers/clk/sunxi/clk-a10-pll2.c
@@ -73,7 +73,7 @@ static void __init sun4i_pll2_setup(struct device_node *node,
 					  SUN4I_PLL2_PRE_DIV_WIDTH,
 					  CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
 					  &sun4i_a10_pll2_lock);
-	if (!prediv_clk) {
+	if (IS_ERR(prediv_clk)) {
 		pr_err("Couldn't register the prediv clock\n");
 		goto err_free_array;
 	}
@@ -106,7 +106,7 @@ static void __init sun4i_pll2_setup(struct device_node *node,
 					  &mult->hw, &clk_multiplier_ops,
 					  &gate->hw, &clk_gate_ops,
 					  CLK_SET_RATE_PARENT);
-	if (!base_clk) {
+	if (IS_ERR(base_clk)) {
 		pr_err("Couldn't register the base multiplier clock\n");
 		goto err_free_multiplier;
 	}
diff --git a/drivers/clk/sunxi/clk-sun8i-mbus.c b/drivers/clk/sunxi/clk-sun8i-mbus.c
index 411d3033a96e..b200ebf159ee 100644
--- a/drivers/clk/sunxi/clk-sun8i-mbus.c
+++ b/drivers/clk/sunxi/clk-sun8i-mbus.c
@@ -48,7 +48,7 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node)
 		return;
 
 	reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-	if (!reg) {
+	if (IS_ERR(reg)) {
 		pr_err("Could not get registers for sun8i-mbus-clk\n");
 		goto err_free_parents;
 	}
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 5a2631af7410..7dd2e2d37231 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -657,9 +657,12 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
 		}
 
 		if (subnode) {
-			node = of_get_flat_dt_subnode_by_name(node, subnode);
-			if (node < 0)
+			int err = of_get_flat_dt_subnode_by_name(node, subnode);
+
+			if (err < 0)
 				return 0;
+
+			node = err;
 		}
 
 		return __find_uefi_params(node, info, dt_params[i].params);
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 3bd127f95315..aded10662020 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/