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-rw-r--r--drivers/platform/goldfish/goldfish_pipe.c4
-rw-r--r--drivers/platform/x86/Kconfig19
-rw-r--r--drivers/platform/x86/Makefile1
-rw-r--r--drivers/platform/x86/intel-hid.c40
-rw-r--r--drivers/platform/x86/intel-vbtn.c39
-rw-r--r--drivers/platform/x86/intel_int0002_vgpio.c219
-rw-r--r--drivers/platform/x86/intel_telemetry_debugfs.c16
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c91
8 files changed, 347 insertions, 82 deletions
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index 2de1e603bd2b..0578d34eec3f 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -266,7 +266,7 @@ struct goldfish_pipe_dev {
unsigned char __iomem *base;
};
-struct goldfish_pipe_dev pipe_dev[1] = {};
+static struct goldfish_pipe_dev pipe_dev[1] = {};
static int goldfish_cmd_locked(struct goldfish_pipe *pipe, enum PipeCmdCode cmd)
{
@@ -704,7 +704,7 @@ static int get_free_pipe_id_locked(struct goldfish_pipe_dev *dev)
/* Reallocate the array */
u32 new_capacity = 2 * dev->pipes_capacity;
struct goldfish_pipe **pipes =
- kcalloc(new_capacity, sizeof(*pipes), GFP_KERNEL);
+ kcalloc(new_capacity, sizeof(*pipes), GFP_ATOMIC);
if (!pipes)
return -ENOMEM;
memcpy(pipes, dev->pipes, sizeof(*pipes) * dev->pipes_capacity);
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index c30f159353fd..b04860703740 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -803,6 +803,25 @@ config INTEL_CHT_INT33FE
This driver instantiates i2c-clients for these, so that standard
i2c drivers for these chips can bind to the them.
+config INTEL_INT0002_VGPIO
+ tristate "Intel ACPI INT0002 Virtual GPIO driver"
+ depends on GPIOLIB && ACPI
+ select GPIOLIB_IRQCHIP
+ ---help---
+ Some peripherals on Bay Trail and Cherry Trail platforms signal a
+ Power Management Event (PME) to the Power Management Controller (PMC)
+ to wakeup the system. When this happens software needs to explicitly
+ clear the PME bus 0 status bit in the GPE0a_STS register to avoid an
+ IRQ storm on IRQ 9.
+
+ This is modelled in ACPI through the INT0002 ACPI device, which is
+ called a "Virtual GPIO controller" in ACPI because it defines the
+ event handler to call when the PME triggers through _AEI and _L02
+ methods as would be done for a real GPIO interrupt in ACPI.
+
+ To compile this driver as a module, choose M here: the module will
+ be called intel_int0002_vgpio.
+
config INTEL_HID_EVENT
tristate "INTEL HID Event"
depends on ACPI
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 6a1063edc6dc..91cec1751461 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o
obj-$(CONFIG_TOSHIBA_HAPS) += toshiba_haps.o
obj-$(CONFIG_TOSHIBA_WMI) += toshiba-wmi.o
obj-$(CONFIG_INTEL_CHT_INT33FE) += intel_cht_int33fe.o
+obj-$(CONFIG_INTEL_INT0002_VGPIO) += intel_int0002_vgpio.o
obj-$(CONFIG_INTEL_HID_EVENT) += intel-hid.o
obj-$(CONFIG_INTEL_VBTN) += intel-vbtn.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index 63ba2cbd04c2..8519e0f97bdd 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/input/sparse-keymap.h>
#include <linux/acpi.h>
+#include <linux/suspend.h>
#include <acpi/acpi_bus.h>
MODULE_LICENSE("GPL");
@@ -75,6 +76,7 @@ static const struct key_entry intel_array_keymap[] = {
struct intel_hid_priv {
struct input_dev *input_dev;
struct input_dev *array;
+ bool wakeup_mode;
};
static int intel_hid_set_enable(struct device *device, bool enable)
@@ -116,23 +118,37 @@ static void intel_button_array_enable(struct device *device, bool enable)
dev_warn(device, "failed to set button capability\n");
}
-static int intel_hid_pl_suspend_handler(struct device *device)
+static int intel_hid_pm_prepare(struct device *device)
{
- intel_hid_set_enable(device, false);
- intel_button_array_enable(device, false);
+ struct intel_hid_priv *priv = dev_get_drvdata(device);
+
+ priv->wakeup_mode = true;
+ return 0;
+}
+static int intel_hid_pl_suspend_handler(struct device *device)
+{
+ if (pm_suspend_via_firmware()) {
+ intel_hid_set_enable(device, false);
+ intel_button_array_enable(device, false);
+ }
return 0;
}
static int intel_hid_pl_resume_handler(struct device *device)
{
- intel_hid_set_enable(device, true);
- intel_button_array_enable(device, true);
+ struct intel_hid_priv *priv = dev_get_drvdata(device);
+ priv->wakeup_mode = false;
+ if (pm_resume_via_firmware()) {
+ intel_hid_set_enable(device, true);
+ intel_button_array_enable(device, true);
+ }
return 0;
}
static const struct dev_pm_ops intel_hid_pl_pm_ops = {
+ .prepare = intel_hid_pm_prepare,
.freeze = intel_hid_pl_suspend_handler,
.thaw = intel_hid_pl_resume_handler,
.restore = intel_hid_pl_resume_handler,
@@ -186,6 +202,19 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
unsigned long long ev_index;
acpi_status status;
+ if (priv->wakeup_mode) {
+ /* Wake up on 5-button array events only. */
+ if (event == 0xc0 || !priv->array)
+ return;
+
+ if (sparse_keymap_entry_from_scancode(priv->array, event))
+ pm_wakeup_hard_event(&device->dev);
+ else
+ dev_info(&device->dev, "unknown event 0x%x\n", event);
+
+ return;
+ }
+
/* 0xC0 is for HID events, other values are for 5 button array */
if (event != 0xc0) {
if (!priv->array ||
@@ -270,6 +299,7 @@ static int intel_hid_probe(struct platform_device *device)
"failed to enable HID power button\n");
}
+ device_init_wakeup(&device->dev, true);
return 0;
err_remove_notify:
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index c2035e121ac2..61f106377661 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/input/sparse-keymap.h>
#include <linux/acpi.h>
+#include <linux/suspend.h>
#include <acpi/acpi_bus.h>
MODULE_LICENSE("GPL");
@@ -46,6 +47,7 @@ static const struct key_entry intel_vbtn_keymap[] = {
struct intel_vbtn_priv {
struct input_dev *input_dev;
+ bool wakeup_mode;
};
static int intel_vbtn_input_setup(struct platform_device *device)
@@ -73,9 +75,15 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
struct platform_device *device = context;
struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
- if (!sparse_keymap_report_event(priv->input_dev, event, 1, true))
- dev_info(&device->dev, "unknown event index 0x%x\n",
- event);
+ if (priv->wakeup_mode) {
+ if (sparse_keymap_entry_from_scancode(priv->input_dev, event)) {
+ pm_wakeup_hard_event(&device->dev);
+ return;
+ }
+ } else if (sparse_keymap_report_event(priv->input_dev, event, 1, true)) {
+ return;
+ }
+ dev_info(&device->dev, "unknown event index 0x%x\n", event);
}
static int intel_vbtn_probe(struct platform_device *device)
@@ -109,6 +117,7 @@ static int intel_vbtn_probe(struct platform_device *device)
if (ACPI_FAILURE(status))
return -EBUSY;
+ device_init_wakeup(&device->dev, true);
return 0;
}
@@ -125,10 +134,34 @@ static int intel_vbtn_remove(struct platform_device *device)
return 0;
}
+static int intel_vbtn_pm_prepare(struct device *dev)
+{
+ struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
+
+ priv->wakeup_mode = true;
+ return 0;
+}
+
+static int intel_vbtn_pm_resume(struct device *dev)
+{
+ struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
+
+ priv->wakeup_mode = false;
+ return 0;
+}
+
+static const struct dev_pm_ops intel_vbtn_pm_ops = {
+ .prepare = intel_vbtn_pm_prepare,
+ .resume = intel_vbtn_pm_resume,
+ .restore = intel_vbtn_pm_resume,
+ .thaw = intel_vbtn_pm_resume,
+};
+
static struct platform_driver intel_vbtn_pl_driver = {
.driver = {
.name = "intel-vbtn",
.acpi_match_table = intel_vbtn_ids,
+ .pm = &intel_vbtn_pm_ops,
},
.probe = intel_vbtn_probe,
.remove = intel_vbtn_remove,
diff --git a/drivers/platform/x86/intel_int0002_vgpio.c b/drivers/platform/x86/intel_int0002_vgpio.c
new file mode 100644
index 000000000000..92dc230ef5b2
--- /dev/null
+++ b/drivers/platform/x86/intel_int0002_vgpio.c
@@ -0,0 +1,219 @@
+/*
+ * Intel INT0002 "Virtual GPIO" driver
+ *
+ * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
+ *
+ * Loosely based on android x86 kernel code which is:
+ *
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * Author: Dyut Kumar Sil <dyut.k.sil@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Some peripherals on Bay Trail and Cherry Trail platforms signal a Power
+ * Management Event (PME) to the Power Management Controller (PMC) to wakeup
+ * the system. When this happens software needs to clear the PME bus 0 status
+ * bit in the GPE0a_STS register to avoid an IRQ storm on IRQ 9.
+ *
+ * This is modelled in ACPI through the INT0002 ACPI device, which is
+ * called a "Virtual GPIO controller" in ACPI because it defines the event
+ * handler to call when the PME triggers through _AEI and _L02 / _E02
+ * methods as would be done for a real GPIO interrupt in ACPI. Note this
+ * is a hack to define an AML event handler for the PME while using existing
+ * ACPI mechanisms, this is not a real GPIO at all.
+ *
+ * This driver will bind to the INT0002 device, and register as a GPIO
+ * controller, letting gpiolib-acpi.c call the _L02 handler as it would
+ * for a real GPIO controller.
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitmap.h>
+#include <linux/gpio/driver.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/suspend.h>
+
+#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
+
+#define DRV_NAME "INT0002 Virtual GPIO"
+
+/* For some reason the virtual GPIO pin tied to the GPE is numbered pin 2 */
+#define GPE0A_PME_B0_VIRT_GPIO_PIN 2
+
+#define GPE0A_PME_B0_STS_BIT BIT(13)
+#define GPE0A_PME_B0_EN_BIT BIT(13)
+#define GPE0A_STS_PORT 0x420
+#define GPE0A_EN_PORT 0x428
+
+#define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, }
+
+static const struct x86_cpu_id int0002_cpu_ids[] = {
+/*
+ * Limit ourselves to Cherry Trail for now, until testing shows we
+ * need to handle the INT0002 device on Baytrail too.
+ * ICPU(INTEL_FAM6_ATOM_SILVERMONT1), * Valleyview, Bay Trail *
+ */
+ ICPU(INTEL_FAM6_ATOM_AIRMONT), /* Braswell, Cherry Trail */
+ {}
+};
+
+/*
+ * As this is not a real GPIO at all, but just a hack to model an event in
+ * ACPI the get / set functions are dummy functions.
+ */
+
+static int int0002_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ return 0;
+}
+
+static void int0002_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
+{
+}
+
+static int int0002_gpio_direction_output(struct gpio_chip *chip,
+ unsigned int offset, int value)
+{
+ return 0;
+}
+
+static void int0002_irq_ack(struct irq_data *data)
+{
+ outl(GPE0A_PME_B0_STS_BIT, GPE0A_STS_PORT);
+}
+
+static void int0002_irq_unmask(struct irq_data *data)
+{
+ u32 gpe_en_reg;
+
+ gpe_en_reg = inl(GPE0A_EN_PORT);
+ gpe_en_reg |= GPE0A_PME_B0_EN_BIT;
+ outl(gpe_en_reg, GPE0A_EN_PORT);
+}
+
+static void int0002_irq_mask(struct irq_data *data)
+{
+ u32 gpe_en_reg;
+
+ gpe_en_reg = inl(GPE0A_EN_PORT);
+ gpe_en_reg &= ~GPE0A_PME_B0_EN_BIT;
+ outl(gpe_en_reg, GPE0A_EN_PORT);
+}
+
+static irqreturn_t int0002_irq(int irq, void *data)
+{
+ struct gpio_chip *chip = data;
+ u32 gpe_sts_reg;
+
+ gpe_sts_reg = inl(GPE0A_STS_PORT);
+ if (!(gpe_sts_reg & GPE0A_PME_B0_STS_BIT))
+ return IRQ_NONE;
+
+ generic_handle_irq(irq_find_mapping(chip->irqdomain,
+ GPE0A_PME_B0_VIRT_GPIO_PIN));
+
+ pm_system_wakeup();
+
+ return IRQ_HANDLED;
+}
+
+static struct irq_chip int0002_irqchip = {
+ .name = DRV_NAME,
+ .irq_ack = int0002_irq_ack,
+ .irq_mask = int0002_irq_mask,
+ .irq_unmask = int0002_irq_unmask,
+};
+
+static int int0002_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const struct x86_cpu_id *cpu_id;
+ struct gpio_chip *chip;
+ int irq, ret;
+
+ /* Menlow has a different INT0002 device? <sigh> */
+ cpu_id = x86_match_cpu(int0002_cpu_ids);
+ if (!cpu_id)
+ return -ENODEV;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(dev, "Error getting IRQ: %d\n", irq);
+ return irq;
+ }
+
+ chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->label = DRV_NAME;
+ chip->parent = dev;
+ chip->owner = THIS_MODULE;
+ chip->get = int0002_gpio_get;
+ chip->set = int0002_gpio_set;
+ chip->direction_input = int0002_gpio_get;
+ chip->direction_output = int0002_gpio_direction_output;
+ chip->base = -1;
+ chip->ngpio = GPE0A_PME_B0_VIRT_GPIO_PIN + 1;
+ chip->irq_need_valid_mask = true;
+
+ ret = devm_gpiochip_add_data(&pdev->dev, chip, NULL);
+ if (ret) {
+ dev_err(dev, "Error adding gpio chip: %d\n", ret);
+ return ret;
+ }
+
+ bitmap_clear(chip->irq_valid_mask, 0, GPE0A_PME_B0_VIRT_GPIO_PIN);
+
+ /*
+ * We manually request the irq here instead of passing a flow-handler
+ * to gpiochip_set_chained_irqchip, because the irq is shared.
+ */
+ ret = devm_request_irq(dev, irq, int0002_irq,
+ IRQF_SHARED | IRQF_NO_THREAD, "INT0002", chip);
+ if (ret) {
+ dev_err(dev, "Error requesting IRQ %d: %d\n", irq, ret);
+ return ret;
+ }
+
+ ret = gpiochip_irqchip_add(chip, &int0002_irqchip, 0, handle_edge_irq,
+ IRQ_TYPE_NONE);
+ if (ret) {
+ dev_err(dev, "Error adding irqchip: %d\n", ret);
+ return ret;
+ }
+
+ gpiochip_set_chained_irqchip(chip, &int0002_irqchip, irq, NULL);
+
+ return 0;
+}
+
+static const struct acpi_device_id int0002_acpi_ids[] = {
+ { "INT0002", 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, int0002_acpi_ids);
+
+static struct platform_driver int0002_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .acpi_match_table = int0002_acpi_ids,
+ },
+ .probe = int0002_probe,
+};
+
+module_platform_driver(int0002_driver);
+
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
+MODULE_DESCRIPTION("Intel INT0002 Virtual GPIO driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c
index ef29f18b1951..4cc2f4ea0a25 100644
--- a/drivers/platform/x86/intel_telemetry_debugfs.c
+++ b/drivers/platform/x86/intel_telemetry_debugfs.c
@@ -97,11 +97,9 @@
} \
}
-#ifdef CONFIG_PM_SLEEP
static u8 suspend_prep_ok;
static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp;
static u64 suspend_shlw_res_temp, suspend_deep_res_temp;
-#endif
struct telemetry_susp_stats {
u32 shlw_swake_ctr;
@@ -807,7 +805,6 @@ static const struct file_operations telem_ioss_trc_verb_ops = {
.release = single_release,
};
-#ifdef CONFIG_PM_SLEEP
static int pm_suspend_prep_cb(void)
{
struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
@@ -937,7 +934,6 @@ static int pm_notification(struct notifier_block *this,
static struct notifier_block pm_notifier = {
.notifier_call = pm_notification,
};
-#endif /* CONFIG_PM_SLEEP */
static int __init telemetry_debugfs_init(void)
{
@@ -960,14 +956,13 @@ static int __init telemetry_debugfs_init(void)
if (err < 0)
return -EINVAL;
-
-#ifdef CONFIG_PM_SLEEP
register_pm_notifier(&pm_notifier);
-#endif /* CONFIG_PM_SLEEP */
debugfs_conf->telemetry_dbg_dir = debugfs_create_dir("telemetry", NULL);
- if (!debugfs_conf->telemetry_dbg_dir)
- return -ENOMEM;
+ if (!debugfs_conf->telemetry_dbg_dir) {
+ err = -ENOMEM;
+ goto out_pm;
+ }
f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO,
debugfs_conf->telemetry_dbg_dir, NULL,
@@ -1014,6 +1009,8 @@ static int __init telemetry_debugfs_init(void)
out:
debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
debugfs_conf->telemetry_dbg_dir = NULL;
+out_pm:
+ unregister_pm_notifier(&pm_notifier);
return err;
}
@@ -1022,6 +1019,7 @@ static void __exit telemetry_debugfs_exit(void)
{
debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
debugfs_conf->telemetry_dbg_dir = NULL;
+ unregister_pm_notifier(&pm_notifier);
}
late_initcall(telemetry_debugfs_init);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index cab115bece15..b22573131e53 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -1437,25 +1437,20 @@ static int tpacpi_rfk_procfs_write(const enum tpacpi_rfk_id id, char *buf)
*/
/* interface_version --------------------------------------------------- */
-static ssize_t tpacpi_driver_interface_version_show(
- struct device_driver *drv,
- char *buf)
+static ssize_t interface_version_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "0x%08x\n", TPACPI_SYSFS_VERSION);
}
-
-static DRIVER_ATTR(interface_version, S_IRUGO,
- tpacpi_driver_interface_version_show, NULL);
+static DRIVER_ATTR_RO(interface_version);
/* debug_level --------------------------------------------------------- */
-static ssize_t tpacpi_driver_debug_show(struct device_driver *drv,
- char *buf)
+static ssize_t debug_level_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "0x%04x\n", dbg_level);
}
-static ssize_t tpacpi_driver_debug_store(struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t debug_level_store(struct device_driver *drv, const char *buf,
+ size_t count)
{
unsigned long t;
@@ -1466,34 +1461,28 @@ static ssize_t tpacpi_driver_debug_store(struct device_driver *drv,
return count;
}
-
-static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO,
- tpacpi_driver_debug_show, tpacpi_driver_debug_store);
+static DRIVER_ATTR_RW(debug_level);
/* version ------------------------------------------------------------- */
-static ssize_t tpacpi_driver_version_show(struct device_driver *drv,
- char *buf)
+static ssize_t version_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s v%s\n",
TPACPI_DESC, TPACPI_VERSION);
}
-
-static DRIVER_ATTR(version, S_IRUGO,
- tpacpi_driver_version_show, NULL);
+static DRIVER_ATTR_RO(version);
/* --------------------------------------------------------------------- */
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
/* wlsw_emulstate ------------------------------------------------------ */
-static ssize_t tpacpi_driver_wlsw_emulstate_show(struct device_driver *drv,
- char *buf)
+static ssize_t wlsw_emulstate_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wlsw_emulstate);
}
-static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t wlsw_emulstate_store(struct device_driver *drv, const char *buf,
+ size_t count)
{
unsigned long t;
@@ -1507,22 +1496,16 @@ static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
return count;
}
-
-static DRIVER_ATTR(wlsw_emulstate, S_IWUSR | S_IRUGO,
- tpacpi_driver_wlsw_emulstate_show,
- tpacpi_driver_wlsw_emulstate_store);
+static DRIVER_ATTR_RW(wlsw_emulstate);
/* bluetooth_emulstate ------------------------------------------------- */
-static ssize_t tpacpi_driver_bluetooth_emulstate_show(
- struct device_driver *drv,
- char *buf)
+static ssize_t bluetooth_emulstate_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_bluetooth_emulstate);
}
-static ssize_t tpacpi_driver_bluetooth_emulstate_store(
- struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t bluetooth_emulstate_store(struct device_driver *drv,
+ const char *buf, size_t count)
{
unsigned long t;
@@ -1533,22 +1516,16 @@ static ssize_t tpacpi_driver_bluetooth_emulstate_store(
return count;
}
-
-static DRIVER_ATTR(bluetooth_emulstate, S_IWUSR | S_IRUGO,
- tpacpi_driver_bluetooth_emulstate_show,
- tpacpi_driver_bluetooth_emulstate_store);
+static DRIVER_ATTR_RW(bluetooth_emulstate);
/* wwan_emulstate ------------------------------------------------- */
-static ssize_t tpacpi_driver_wwan_emulstate_show(
- struct device_driver *drv,
- char *buf)
+static ssize_t wwan_emulstate_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wwan_emulstate);
}
-static ssize_t tpacpi_driver_wwan_emulstate_store(
- struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t wwan_emulstate_store(struct device_driver *drv, const char *buf,
+ size_t count)
{
unsigned long t;
@@ -1559,22 +1536,16 @@ static ssize_t tpacpi_driver_wwan_emulstate_store(
return count;
}
-
-static DRIVER_ATTR(wwan_emulstate, S_IWUSR | S_IRUGO,
- tpacpi_driver_wwan_emulstate_show,
- tpacpi_driver_wwan_emulstate_store);
+static DRIVER_ATTR_RW(wwan_emulstate);
/* uwb_emulstate ------------------------------------------------- */
-static ssize_t tpacpi_driver_uwb_emulstate_show(
- struct device_driver *drv,
- char *buf)
+static ssize_t uwb_emulstate_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_uwb_emulstate);
}
-static ssize_t tpacpi_driver_uwb_emulstate_store(
- struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t uwb_emulstate_store(struct device_driver *drv, const char *buf,
+ size_t count)
{
unsigned long t;
@@ -1585,10 +1556,7 @@ static ssize_t tpacpi_driver_uwb_emulstate_store(
return count;
}
-
-static DRIVER_ATTR(uwb_emulstate, S_IWUSR | S_IRUGO,
- tpacpi_driver_uwb_emulstate_show,
- tpacpi_driver_uwb_emulstate_store);
+static DRIVER_ATTR_RW(uwb_emulstate);
#endif
/* --------------------------------------------------------------------- */
@@ -8565,14 +8533,13 @@ static ssize_t fan_fan2_input_show(struct device *dev,
static DEVICE_ATTR(fan2_input, S_IRUGO, fan_fan2_input_show, NULL);
/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
-static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
- char *buf)
+static ssize_t fan_watchdog_show(struct device_driver *drv, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n", fan_watchdog_maxinterval);
}
-static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
- const char *buf, size_t count)
+static ssize_t fan_watchdog_store(struct device_driver *drv, const char *buf,
+ size_t count)
{
unsigned long t;
@@ -8589,9 +8556,7 @@ static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
return count;
}
-
-static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO,
- fan_fan_watchdog_show, fan_fan_watchdog_store);
+static DRIVER_ATTR_RW(fan_watchdog);
/* --------------------------------------------------------------------- */
static struct attribute *fan_attributes[] = {