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-rw-r--r--arch/arm/boot/dts/am335x-baltos.dtsi2
-rw-r--r--arch/arm/boot/dts/am335x-evmsk.dts1
-rw-r--r--arch/arm/boot/dts/dra7.dtsi2
-rw-r--r--arch/arm/boot/dts/logicpd-torpedo-som.dtsi2
-rw-r--r--arch/arm/boot/dts/sun8i-a33.dtsi12
-rw-r--r--arch/arm/mach-omap2/common.h1
-rw-r--r--arch/arm/mach-omap2/omap-hotplug.c2
-rw-r--r--arch/arm/mach-omap2/omap-mpuss-lowpower.c22
-rw-r--r--arch/arm/mach-omap2/omap-smc.S1
-rw-r--r--arch/arm/mach-omap2/omap-smp.c90
-rw-r--r--arch/arm/mach-omap2/omap_device.c8
-rw-r--r--arch/arm/mach-orion5x/Kconfig1
-rw-r--r--arch/arm/plat-orion/common.c5
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi2
-rw-r--r--drivers/reset/core.c22
-rw-r--r--include/linux/reset.h22
16 files changed, 154 insertions, 41 deletions
diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
index efb5eae290a8..d42b98f15e8b 100644
--- a/arch/arm/boot/dts/am335x-baltos.dtsi
+++ b/arch/arm/boot/dts/am335x-baltos.dtsi
@@ -371,6 +371,8 @@
phy1: ethernet-phy@1 {
reg = <7>;
+ eee-broken-100tx;
+ eee-broken-1000t;
};
};
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 9e43c443738a..9ba4b18c0cb2 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -672,6 +672,7 @@
ti,non-removable;
bus-width = <4>;
cap-power-off-card;
+ keep-power-in-suspend;
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 2c9e56f4aac5..bbfb9d5a70a9 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -283,6 +283,7 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x20013000 0x13000 0 0xffed000>;
+ bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;
linux,pci-domain = <0>;
@@ -319,6 +320,7 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x30013000 0x13000 0 0xffed000>;
+ bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;
linux,pci-domain = <1>;
diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
index 8f9a69ca818c..efe53998c961 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
@@ -121,7 +121,7 @@
&i2c3 {
clock-frequency = <400000>;
at24@50 {
- compatible = "at24,24c02";
+ compatible = "atmel,24c64";
readonly;
reg = <0x50>;
};
diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
index 0467fb365bfc..306af6cadf26 100644
--- a/arch/arm/boot/dts/sun8i-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a33.dtsi
@@ -66,12 +66,6 @@
opp-microvolt = <1200000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
-
- opp@1200000000 {
- opp-hz = /bits/ 64 <1200000000>;
- opp-microvolt = <1320000>;
- clock-latency-ns = <244144>; /* 8 32k periods */
- };
};
cpus {
@@ -81,16 +75,22 @@
operating-points-v2 = <&cpu0_opp_table>;
};
+ cpu@1 {
+ operating-points-v2 = <&cpu0_opp_table>;
+ };
+
cpu@2 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <2>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@3 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <3>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
};
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index c4f2ace91ea2..3089d3bfa19b 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -270,6 +270,7 @@ extern const struct smp_operations omap4_smp_ops;
extern int omap4_mpuss_init(void);
extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
+extern u32 omap4_get_cpu1_ns_pa_addr(void);
#else
static inline int omap4_enter_lowpower(unsigned int cpu,
unsigned int power_state)
diff --git a/arch/arm/mach-omap2/omap-hotplug.c b/arch/arm/mach-omap2/omap-hotplug.c
index d3fb5661bb5d..433db6d0b073 100644
--- a/arch/arm/mach-omap2/omap-hotplug.c
+++ b/arch/arm/mach-omap2/omap-hotplug.c
@@ -50,7 +50,7 @@ void omap4_cpu_die(unsigned int cpu)
omap4_hotplug_cpu(cpu, PWRDM_POWER_OFF);
if (omap_secure_apis_support())
- boot_cpu = omap_read_auxcoreboot0();
+ boot_cpu = omap_read_auxcoreboot0() >> 9;
else
boot_cpu =
readl_relaxed(base + OMAP_AUX_CORE_BOOT_0) >> 5;
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index 113ab2dd2ee9..03ec6d307c82 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -64,6 +64,7 @@
#include "prm-regbits-44xx.h"
static void __iomem *sar_base;
+static u32 old_cpu1_ns_pa_addr;
#if defined(CONFIG_PM) && defined(CONFIG_SMP)
@@ -212,6 +213,11 @@ static void __init save_l2x0_context(void)
{}
#endif
+u32 omap4_get_cpu1_ns_pa_addr(void)
+{
+ return old_cpu1_ns_pa_addr;
+}
+
/**
* omap4_enter_lowpower: OMAP4 MPUSS Low Power Entry Function
* The purpose of this function is to manage low power programming
@@ -460,22 +466,30 @@ int __init omap4_mpuss_init(void)
void __init omap4_mpuss_early_init(void)
{
unsigned long startup_pa;
+ void __iomem *ns_pa_addr;
- if (!(cpu_is_omap44xx() || soc_is_omap54xx()))
+ if (!(soc_is_omap44xx() || soc_is_omap54xx()))
return;
sar_base = omap4_get_sar_ram_base();
- if (cpu_is_omap443x())
+ /* Save old NS_PA_ADDR for validity checks later on */
+ if (soc_is_omap44xx())
+ ns_pa_addr = sar_base + CPU1_WAKEUP_NS_PA_ADDR_OFFSET;
+ else
+ ns_pa_addr = sar_base + OMAP5_CPU1_WAKEUP_NS_PA_ADDR_OFFSET;
+ old_cpu1_ns_pa_addr = readl_relaxed(ns_pa_addr);
+
+ if (soc_is_omap443x())
startup_pa = __pa_symbol(omap4_secondary_startup);
- else if (cpu_is_omap446x())
+ else if (soc_is_omap446x())
startup_pa = __pa_symbol(omap4460_secondary_startup);
else if ((__boot_cpu_mode & MODE_MASK) == HYP_MODE)
startup_pa = __pa_symbol(omap5_secondary_hyp_startup);
else
startup_pa = __pa_symbol(omap5_secondary_startup);
- if (cpu_is_omap44xx())
+ if (soc_is_omap44xx())
writel_relaxed(startup_pa, sar_base +
CPU1_WAKEUP_NS_PA_ADDR_OFFSET);
else
diff --git a/arch/arm/mach-omap2/omap-smc.S b/arch/arm/mach-omap2/omap-smc.S
index fd90125bffc7..72506e6cf9e7 100644
--- a/arch/arm/mach-omap2/omap-smc.S
+++ b/arch/arm/mach-omap2/omap-smc.S
@@ -94,6 +94,5 @@ ENTRY(omap_read_auxcoreboot0)
ldr r12, =0x103
dsb
smc #0
- mov r0, r0, lsr #9
ldmfd sp!, {r2-r12, pc}
ENDPROC(omap_read_auxcoreboot0)
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 003353b0b794..3faf454ba487 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -21,6 +21,7 @@
#include <linux/io.h>
#include <linux/irqchip/arm-gic.h>
+#include <asm/sections.h>
#include <asm/smp_scu.h>
#include <asm/virt.h>
@@ -40,10 +41,14 @@
#define OMAP5_CORE_COUNT 0x2
+#define AUX_CORE_BOOT0_GP_RELEASE 0x020
+#define AUX_CORE_BOOT0_HS_RELEASE 0x200
+
struct omap_smp_config {
unsigned long cpu1_rstctrl_pa;
void __iomem *cpu1_rstctrl_va;
void __iomem *scu_base;
+ void __iomem *wakeupgen_base;
void *startup_addr;
};
@@ -140,7 +145,6 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
static struct clockdomain *cpu1_clkdm;
static bool booted;
static struct powerdomain *cpu1_pwrdm;
- void __iomem *base = omap_get_wakeupgen_base();
/*
* Set synchronisation state between this boot processor
@@ -155,9 +159,11 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
* A barrier is added to ensure that write buffer is drained
*/
if (omap_secure_apis_support())
- omap_modify_auxcoreboot0(0x200, 0xfffffdff);
+ omap_modify_auxcoreboot0(AUX_CORE_BOOT0_HS_RELEASE,
+ 0xfffffdff);
else
- writel_relaxed(0x20, base + OMAP_AUX_CORE_BOOT_0);
+ writel_relaxed(AUX_CORE_BOOT0_GP_RELEASE,
+ cfg.wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
if (!cpu1_clkdm && !cpu1_pwrdm) {
cpu1_clkdm = clkdm_lookup("mpu1_clkdm");
@@ -261,9 +267,72 @@ static void __init omap4_smp_init_cpus(void)
set_cpu_possible(i, true);
}
+/*
+ * For now, just make sure the start-up address is not within the booting
+ * kernel space as that means we just overwrote whatever secondary_startup()
+ * code there was.
+ */
+static bool __init omap4_smp_cpu1_startup_valid(unsigned long addr)
+{
+ if ((addr >= __pa(PAGE_OFFSET)) && (addr <= __pa(__bss_start)))
+ return false;
+
+ return true;
+}
+
+/*
+ * We may need to reset CPU1 before configuring, otherwise kexec boot can end
+ * up trying to use old kernel startup address or suspend-resume will
+ * occasionally fail to bring up CPU1 on 4430 if CPU1 fails to enter deeper
+ * idle states.
+ */
+static void __init omap4_smp_maybe_reset_cpu1(struct omap_smp_config *c)
+{
+ unsigned long cpu1_startup_pa, cpu1_ns_pa_addr;
+ bool needs_reset = false;
+ u32 released;
+
+ if (omap_secure_apis_support())
+ released = omap_read_auxcoreboot0() & AUX_CORE_BOOT0_HS_RELEASE;
+ else
+ released = readl_relaxed(cfg.wakeupgen_base +
+ OMAP_AUX_CORE_BOOT_0) &
+ AUX_CORE_BOOT0_GP_RELEASE;
+ if (released) {
+ pr_warn("smp: CPU1 not parked?\n");
+
+ return;
+ }
+
+ cpu1_startup_pa = readl_relaxed(cfg.wakeupgen_base +
+ OMAP_AUX_CORE_BOOT_1);
+ cpu1_ns_pa_addr = omap4_get_cpu1_ns_pa_addr();
+
+ /* Did the configured secondary_startup() get overwritten? */
+ if (!omap4_smp_cpu1_startup_valid(cpu1_startup_pa))
+ needs_reset = true;
+
+ /*
+ * If omap4 or 5 has NS_PA_ADDR configured, CPU1 may be in a
+ * deeper idle state in WFI and will wake to an invalid address.
+ */
+ if ((soc_is_omap44xx() || soc_is_omap54xx()) &&
+ !omap4_smp_cpu1_startup_valid(cpu1_ns_pa_addr))
+ needs_reset = true;
+
+ if (!needs_reset || !c->cpu1_rstctrl_va)
+ return;
+
+ pr_info("smp: CPU1 parked within kernel, needs reset (0x%lx 0x%lx)\n",
+ cpu1_startup_pa, cpu1_ns_pa_addr);
+
+ writel_relaxed(1, c->cpu1_rstctrl_va);
+ readl_relaxed(c->cpu1_rstctrl_va);
+ writel_relaxed(0, c->cpu1_rstctrl_va);
+}
+
static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
{
- void __iomem *base = omap_get_wakeupgen_base();
const struct omap_smp_config *c = NULL;
if (soc_is_omap443x())
@@ -281,6 +350,7 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
/* Must preserve cfg.scu_base set earlier */
cfg.cpu1_rstctrl_pa = c->cpu1_rstctrl_pa;
cfg.startup_addr = c->startup_addr;
+ cfg.wakeupgen_base = omap_get_wakeupgen_base();
if (soc_is_dra74x() || soc_is_omap54xx()) {
if ((__boot_cpu_mode & MODE_MASK) == HYP_MODE)
@@ -299,15 +369,7 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
if (cfg.scu_base)
scu_enable(cfg.scu_base);
- /*
- * Reset CPU1 before configuring, otherwise kexec will
- * end up trying to use old kernel startup address.
- */
- if (cfg.cpu1_rstctrl_va) {
- writel_relaxed(1, cfg.cpu1_rstctrl_va);
- readl_relaxed(cfg.cpu1_rstctrl_va);
- writel_relaxed(0, cfg.cpu1_rstctrl_va);
- }
+ omap4_smp_maybe_reset_cpu1(&cfg);
/*
* Write the address of secondary startup routine into the
@@ -319,7 +381,7 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
omap_auxcoreboot_addr(__pa_symbol(cfg.startup_addr));
else
writel_relaxed(__pa_symbol(cfg.startup_addr),
- base + OMAP_AUX_CORE_BOOT_1);
+ cfg.wakeupgen_base + OMAP_AUX_CORE_BOOT_1);
}
const struct smp_operations omap4_smp_ops __initconst = {
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index e920dd83e443..f989145480c8 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -222,6 +222,14 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
dev_err(dev, "failed to idle\n");
}
break;
+ case BUS_NOTIFY_BIND_DRIVER:
+ od = to_omap_device(pdev);
+ if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) &&
+ pm_runtime_status_suspended(dev)) {
+ od->_driver_status = BUS_NOTIFY_BIND_DRIVER;
+ pm_runtime_set_active(dev);
+ }
+ break;
case BUS_NOTIFY_ADD_DEVICE:
if (pdev->dev.of_node)
omap_device_build_from_dt(pdev);
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 633442ad4e4c..2a7bb6ccdcb7 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -6,6 +6,7 @@ menuconfig ARCH_ORION5X
select GPIOLIB
select MVEBU_MBUS
select PCI
+ select PHYLIB if NETDEVICES
select PLAT_ORION_LEGACY
help
Support for the following Marvell Orion 5x series SoCs:
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 9255b6d67ba5..aff6994950ba 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -468,6 +468,7 @@ void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
eth_data, &orion_ge11);
}
+#ifdef CONFIG_ARCH_ORION5X
/*****************************************************************************
* Ethernet switch
****************************************************************************/
@@ -480,6 +481,9 @@ void __init orion_ge00_switch_init(struct dsa_chip_data *d)
struct mdio_board_info *bd;
unsigned int i;
+ if (!IS_BUILTIN(CONFIG_PHYLIB))
+ return;
+
for (i = 0; i < ARRAY_SIZE(d->port_names); i++)
if (!strcmp(d->port_names[i], "cpu"))
break;
@@ -493,6 +497,7 @@ void __init orion_ge00_switch_init(struct dsa_chip_data *d)
mdiobus_register_board_info(&orion_ge00_switch_board_info, 1);
}
+#endif
/*****************************************************************************
* I2C
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 1c64ea2d23f9..0565779e66fa 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -179,8 +179,10 @@
usbphy: phy@01c19400 {
compatible = "allwinner,sun50i-a64-usb-phy";
reg = <0x01c19400 0x14>,
+ <0x01c1a800 0x4>,
<0x01c1b800 0x4>;
reg-names = "phy_ctrl",
+ "pmu0",
"pmu1";
clocks = <&ccu CLK_USB_PHY0>,
<&ccu CLK_USB_PHY1>;
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index f1e5e65388bb..cd739d2fa160 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -275,7 +275,7 @@ int reset_control_status(struct reset_control *rstc)
}
EXPORT_SYMBOL_GPL(reset_control_status);
-static struct reset_control *__reset_control_get(
+static struct reset_control *__reset_control_get_internal(
struct reset_controller_dev *rcdev,
unsigned int index, bool shared)
{
@@ -308,7 +308,7 @@ static struct reset_control *__reset_control_get(
return rstc;
}
-static void __reset_control_put(struct reset_control *rstc)
+static void __reset_control_put_internal(struct reset_control *rstc)
{
lockdep_assert_held(&reset_list_mutex);
@@ -377,7 +377,7 @@ struct reset_control *__of_reset_control_get(struct device_node *node,
}
/* reset_list_mutex also protects the rcdev's reset_control list */
- rstc = __reset_control_get(rcdev, rstc_id, shared);
+ rstc = __reset_control_get_internal(rcdev, rstc_id, shared);
mutex_unlock(&reset_list_mutex);
@@ -385,6 +385,17 @@ struct reset_control *__of_reset_control_get(struct device_node *node,
}
EXPORT_SYMBOL_GPL(__of_reset_control_get);
+struct reset_control *__reset_control_get(struct device *dev, const char *id,
+ int index, bool shared, bool optional)
+{
+ if (dev->of_node)
+ return __of_reset_control_get(dev->of_node, id, index, shared,
+ optional);
+
+ return optional ? NULL : ERR_PTR(-EINVAL);
+}
+EXPORT_SYMBOL_GPL(__reset_control_get);
+
/**
* reset_control_put - free the reset controller
* @rstc: reset controller
@@ -396,7 +407,7 @@ void reset_control_put(struct reset_control *rstc)
return;
mutex_lock(&reset_list_mutex);
- __reset_control_put(rstc);
+ __reset_control_put_internal(rstc);
mutex_unlock(&reset_list_mutex);
}
EXPORT_SYMBOL_GPL(reset_control_put);
@@ -417,8 +428,7 @@ struct reset_control *__devm_reset_control_get(struct device *dev,
if (!ptr)
return ERR_PTR(-ENOMEM);
- rstc = __of_reset_control_get(dev ? dev->of_node : NULL,
- id, index, shared, optional);
+ rstc = __reset_control_get(dev, id, index, shared, optional);
if (!IS_ERR(rstc)) {
*ptr = rstc;
devres_add(dev, ptr);
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 96fb139bdd08..13d8681210d5 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -15,6 +15,9 @@ int reset_control_status(struct reset_control *rstc);
struct reset_control *__of_reset_control_get(struct device_node *node,
const char *id, int index, bool shared,
bool optional);
+struct reset_control *__reset_control_get(struct device *dev, const char *id,
+ int index, bool shared,
+ bool optional);
void reset_control_put(struct reset_control *rstc);
struct reset_control *__devm_reset_control_get(struct device *dev,
const char *id, int index, bool shared,
@@ -72,6 +75,13 @@ static inline struct reset_control *__of_reset_control_get(
return optional ? NULL : ERR_PTR(-ENOTSUPP);
}
+static inline struct reset_control *__reset_control_get(
+ struct device *dev, const char *id,
+ int index, bool shared, bool optional)
+{
+ return optional ? NULL : ERR_PTR(-ENOTSUPP);
+}
+
static inline struct reset_control *__devm_reset_control_get(
struct device *dev, const char *id,
int index, bool shared, bool optional)
@@ -102,8 +112,7 @@ __must_check reset_control_get_exclusive(struct device *dev, const char *id)
#ifndef CONFIG_RESET_CONTROLLER
WARN_ON(1);
#endif
- return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, false,
- false);
+ return __reset_control_get(dev, id, 0, false, false);
}
/**
@@ -131,22 +140,19 @@ __must_check reset_control_get_exclusive(struct device *dev, const char *id)
static inline struct reset_control *reset_control_get_shared(
struct device *dev, const char *id)
{
- return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, true,
- false);
+ return __reset_control_get(dev, id, 0, true, false);
}
static inline struct reset_control *reset_control_get_optional_exclusive(
struct device *dev, const char *id)
{
- return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, false,
- true);
+ return __reset_control_get(dev, id, 0, false, true);
}
static inline struct reset_control *reset_control_get_optional_shared(
struct device *dev, const char *id)
{
- return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, true,
- true);
+ return __reset_control_get(dev, id, 0, true, true);
}
/**