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-rw-r--r--drivers/platform/x86/acer-wmi.c16
-rw-r--r--drivers/platform/x86/eeepc-wmi.c24
-rw-r--r--drivers/platform/x86/intel_pmic_gpio.c6
-rw-r--r--drivers/platform/x86/wmi.c104
4 files changed, 22 insertions, 128 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 1062fa42ff26..79d64ea00bfb 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -793,15 +793,6 @@ static acpi_status __init AMW0_find_mailled(void)
return AE_OK;
}
-static int AMW0_set_cap_acpi_check_device_found __initdata;
-
-static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
- u32 level, void *context, void **retval)
-{
- AMW0_set_cap_acpi_check_device_found = 1;
- return AE_OK;
-}
-
static const struct acpi_device_id norfkill_ids[] __initconst = {
{ "VPC2004", 0},
{ "IBM0068", 0},
@@ -816,9 +807,10 @@ static int __init AMW0_set_cap_acpi_check_device(void)
const struct acpi_device_id *id;
for (id = norfkill_ids; id->id[0]; id++)
- acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
- NULL, NULL);
- return AMW0_set_cap_acpi_check_device_found;
+ if (acpi_dev_found(id->id))
+ return true;
+
+ return false;
}
static acpi_status __init AMW0_set_capabilities(void)
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 14fd2ecb06a1..17b365f26f9d 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -204,30 +204,10 @@ static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code,
}
}
-static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
- void *context, void **retval)
-{
- pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
- *(bool *)context = true;
- return AE_CTRL_TERMINATE;
-}
-
-static int eeepc_wmi_check_atkd(void)
-{
- acpi_status status;
- bool found = false;
-
- status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device,
- &found, NULL);
-
- if (ACPI_FAILURE(status) || !found)
- return 0;
- return -1;
-}
-
static int eeepc_wmi_probe(struct platform_device *pdev)
{
- if (eeepc_wmi_check_atkd()) {
+ if (acpi_dev_found(EEEPC_ACPI_HID)) {
+ pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
pr_warn("WMI device present, but legacy ATKD device is also "
"present and enabled\n");
pr_warn("You probably booted with acpi_osi=\"Linux\" or "
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index 0e73fd10ba72..63b371d6ee55 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -30,7 +30,7 @@
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
#include <asm/intel_scu_ipc.h>
#include <linux/device.h>
#include <linux/intel_pmic_gpio.h>
@@ -174,7 +174,7 @@ static int pmic_irq_type(struct irq_data *data, unsigned type)
static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
- struct pmic_gpio *pg = container_of(chip, struct pmic_gpio, chip);
+ struct pmic_gpio *pg = gpiochip_get_data(chip);
return pg->irq_base + offset;
}
@@ -279,7 +279,7 @@ static int platform_pmic_gpio_probe(struct platform_device *pdev)
mutex_init(&pg->buslock);
pg->chip.parent = dev;
- retval = gpiochip_add(&pg->chip);
+ retval = gpiochip_add_data(&pg->chip, pg);
if (retval) {
pr_err("Can not add pmic gpio chip\n");
goto err;
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index eb391a281833..ceeb8c188ef3 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -37,6 +37,7 @@
#include <linux/acpi.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/uuid.h>
ACPI_MODULE_NAME("wmi");
MODULE_AUTHOR("Carlos Corbacho");
@@ -115,100 +116,21 @@ static struct acpi_driver acpi_wmi_driver = {
* GUID parsing functions
*/
-/**
- * wmi_parse_hexbyte - Convert a ASCII hex number to a byte
- * @src: Pointer to at least 2 characters to convert.
- *
- * Convert a two character ASCII hex string to a number.
- *
- * Return: 0-255 Success, the byte was parsed correctly
- * -1 Error, an invalid character was supplied
- */
-static int wmi_parse_hexbyte(const u8 *src)
-{
- int h;
- int value;
-
- /* high part */
- h = value = hex_to_bin(src[0]);
- if (value < 0)
- return -1;
-
- /* low part */
- value = hex_to_bin(src[1]);
- if (value >= 0)
- return (h << 4) | value;
- return -1;
-}
-
-/**
- * wmi_swap_bytes - Rearrange GUID bytes to match GUID binary
- * @src: Memory block holding binary GUID (16 bytes)
- * @dest: Memory block to hold byte swapped binary GUID (16 bytes)
- *
- * Byte swap a binary GUID to match it's real GUID value
- */
-static void wmi_swap_bytes(u8 *src, u8 *dest)
-{
- int i;
-
- for (i = 0; i <= 3; i++)
- memcpy(dest + i, src + (3 - i), 1);
-
- for (i = 0; i <= 1; i++)
- memcpy(dest + 4 + i, src + (5 - i), 1);
-
- for (i = 0; i <= 1; i++)
- memcpy(dest + 6 + i, src + (7 - i), 1);
-
- memcpy(dest + 8, src + 8, 8);
-}
-
-/**
- * wmi_parse_guid - Convert GUID from ASCII to binary
- * @src: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
- * @dest: Memory block to hold binary GUID (16 bytes)
- *
- * N.B. The GUID need not be NULL terminated.
- *
- * Return: 'true' @dest contains binary GUID
- * 'false' @dest contents are undefined
- */
-static bool wmi_parse_guid(const u8 *src, u8 *dest)
-{
- static const int size[] = { 4, 2, 2, 2, 6 };
- int i, j, v;
-
- if (src[8] != '-' || src[13] != '-' ||
- src[18] != '-' || src[23] != '-')
- return false;
-
- for (j = 0; j < 5; j++, src++) {
- for (i = 0; i < size[j]; i++, src += 2, *dest++ = v) {
- v = wmi_parse_hexbyte(src);
- if (v < 0)
- return false;
- }
- }
-
- return true;
-}
-
static bool find_guid(const char *guid_string, struct wmi_block **out)
{
- char tmp[16], guid_input[16];
+ uuid_le guid_input;
struct wmi_block *wblock;
struct guid_block *block;
struct list_head *p;
- wmi_parse_guid(guid_string, tmp);
- wmi_swap_bytes(tmp, guid_input);
+ if (uuid_le_to_bin(guid_string, &guid_input))
+ return false;
list_for_each(p, &wmi_block_list) {
wblock = list_entry(p, struct wmi_block, list);
block = &wblock->gblock;
- if (memcmp(block->guid, guid_input, 16) == 0) {
+ if (memcmp(block->guid, &guid_input, 16) == 0) {
if (out)
*out = wblock;
return true;
@@ -498,20 +420,20 @@ wmi_notify_handler handler, void *data)
{
struct wmi_block *block;
acpi_status status = AE_NOT_EXIST;
- char tmp[16], guid_input[16];
+ uuid_le guid_input;
struct list_head *p;
if (!guid || !handler)
return AE_BAD_PARAMETER;
- wmi_parse_guid(guid, tmp);
- wmi_swap_bytes(tmp, guid_input);
+ if (uuid_le_to_bin(guid, &guid_input))
+ return AE_BAD_PARAMETER;
list_for_each(p, &wmi_block_list) {
acpi_status wmi_status;
block = list_entry(p, struct wmi_block, list);
- if (memcmp(block->gblock.guid, guid_input, 16) == 0) {
+ if (memcmp(block->gblock.guid, &guid_input, 16) == 0) {
if (block->handler &&
block->handler != wmi_notify_debug)
return AE_ALREADY_ACQUIRED;
@@ -539,20 +461,20 @@ acpi_status wmi_remove_notify_handler(const char *guid)
{
struct wmi_block *block;
acpi_status status = AE_NOT_EXIST;
- char tmp[16], guid_input[16];
+ uuid_le guid_input;
struct list_head *p;
if (!guid)
return AE_BAD_PARAMETER;
- wmi_parse_guid(guid, tmp);
- wmi_swap_bytes(tmp, guid_input);
+ if (uuid_le_to_bin(guid, &guid_input))
+ return AE_BAD_PARAMETER;
list_for_each(p, &wmi_block_list) {
acpi_status wmi_status;
block = list_entry(p, struct wmi_block, list);
- if (memcmp(block->gblock.guid, guid_input, 16) == 0) {
+ if (memcmp(block->gblock.guid, &guid_input, 16) == 0) {
if (!block->handler ||
block->handler == wmi_notify_debug)
return AE_NULL_ENTRY;
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