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authorJames Morris <jmorris@namei.org>2009-02-06 01:01:45 +0100
committerJames Morris <jmorris@namei.org>2009-02-06 01:01:45 +0100
commitcb5629b10d64a8006622ce3a52bc887d91057d69 (patch)
tree7c06d8f30783115e3384721046258ce615b129c5 /drivers/regulator/wm8350-regulator.c
parentTPM: integrity fix (diff)
parentseq_file: fix big-enough lseek() + read() (diff)
downloadlinux-cb5629b10d64a8006622ce3a52bc887d91057d69.tar.xz
linux-cb5629b10d64a8006622ce3a52bc887d91057d69.zip
Merge branch 'master' into next
Conflicts: fs/namei.c Manually merged per: diff --cc fs/namei.c index 734f2b5,bbc15c2..0000000 --- a/fs/namei.c +++ b/fs/namei.c @@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char nd->flags |= LOOKUP_CONTINUE; err = exec_permission_lite(inode); if (err == -EAGAIN) - err = vfs_permission(nd, MAY_EXEC); + err = inode_permission(nd->path.dentry->d_inode, + MAY_EXEC); + if (!err) + err = ima_path_check(&nd->path, MAY_EXEC); if (err) break; @@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc flag &= ~O_TRUNC; } - error = vfs_permission(nd, acc_mode); + error = inode_permission(inode, acc_mode); if (error) return error; + - error = ima_path_check(&nd->path, ++ error = ima_path_check(path, + acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC)); + if (error) + return error; /* * An append-only file must be opened in append mode for writing. */ Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/regulator/wm8350-regulator.c')
-rw-r--r--drivers/regulator/wm8350-regulator.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 1f44b17e23b1..5056e23e4414 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1380,6 +1380,13 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
if (wm8350->pmic.pdev[reg])
return -EBUSY;
+ if (reg >= WM8350_DCDC_1 && reg <= WM8350_DCDC_6 &&
+ reg > wm8350->pmic.max_dcdc)
+ return -ENODEV;
+ if (reg >= WM8350_ISINK_A && reg <= WM8350_ISINK_B &&
+ reg > wm8350->pmic.max_isink)
+ return -ENODEV;
+
pdev = platform_device_alloc("wm8350-regulator", reg);
if (!pdev)
return -ENOMEM;
@@ -1405,6 +1412,97 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
}
EXPORT_SYMBOL_GPL(wm8350_register_regulator);
+/**
+ * wm8350_register_led - Register a WM8350 LED output
+ *
+ * @param wm8350 The WM8350 device to configure.
+ * @param lednum LED device index to create.
+ * @param dcdc The DCDC to use for the LED.
+ * @param isink The ISINK to use for the LED.
+ * @param pdata Configuration for the LED.
+ *
+ * The WM8350 supports the use of an ISINK together with a DCDC to
+ * provide a power-efficient LED driver. This function registers the
+ * regulators and instantiates the platform device for a LED. The
+ * operating modes for the LED regulators must be configured using
+ * wm8350_isink_set_flash(), wm8350_dcdc25_set_mode() and
+ * wm8350_dcdc_set_slot() prior to calling this function.
+ */
+int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
+ struct wm8350_led_platform_data *pdata)
+{
+ struct wm8350_led *led;
+ struct platform_device *pdev;
+ int ret;
+
+ if (lednum >= ARRAY_SIZE(wm8350->pmic.led) || lednum < 0) {
+ dev_err(wm8350->dev, "Invalid LED index %d\n", lednum);
+ return -ENODEV;
+ }
+
+ led = &wm8350->pmic.led[lednum];
+
+ if (led->pdev) {
+ dev_err(wm8350->dev, "LED %d already allocated\n", lednum);
+ return -EINVAL;
+ }
+
+ pdev = platform_device_alloc("wm8350-led", lednum);
+ if (pdev == NULL) {
+ dev_err(wm8350->dev, "Failed to allocate LED %d\n", lednum);
+ return -ENOMEM;
+ }
+
+ led->isink_consumer.dev = &pdev->dev;
+ led->isink_consumer.supply = "led_isink";
+ led->isink_init.num_consumer_supplies = 1;
+ led->isink_init.consumer_supplies = &led->isink_consumer;
+ led->isink_init.constraints.min_uA = 0;
+ led->isink_init.constraints.max_uA = pdata->max_uA;
+ led->isink_init.constraints.valid_ops_mask = REGULATOR_CHANGE_CURRENT;
+ led->isink_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
+ ret = wm8350_register_regulator(wm8350, isink, &led->isink_init);
+ if (ret != 0) {
+ platform_device_put(pdev);
+ return ret;
+ }
+
+ led->dcdc_consumer.dev = &pdev->dev;
+ led->dcdc_consumer.supply = "led_vcc";
+ led->dcdc_init.num_consumer_supplies = 1;
+ led->dcdc_init.consumer_supplies = &led->dcdc_consumer;
+ led->dcdc_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
+ ret = wm8350_register_regulator(wm8350, dcdc, &led->dcdc_init);
+ if (ret != 0) {
+ platform_device_put(pdev);
+ return ret;
+ }
+
+ switch (isink) {
+ case WM8350_ISINK_A:
+ wm8350->pmic.isink_A_dcdc = dcdc;
+ break;
+ case WM8350_ISINK_B:
+ wm8350->pmic.isink_B_dcdc = dcdc;
+ break;
+ }
+
+ pdev->dev.platform_data = pdata;
+ pdev->dev.parent = wm8350->dev;
+ ret = platform_device_add(pdev);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Failed to register LED %d: %d\n",
+ lednum, ret);
+ platform_device_put(pdev);
+ return ret;
+ }
+
+ led->pdev = pdev;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8350_register_led);
+
static struct platform_driver wm8350_regulator_driver = {
.probe = wm8350_regulator_probe,
.remove = wm8350_regulator_remove,