Merge tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - Constify structures; throughout the subsystem
   - Move support to DT in; cros_ec
   - DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
   - ACPI changes and documentation; mfd-core
   - Use different platform specific API in; cros_ec_*, arizona-core
   - Remove unused parent field from; cros_ec_i2c
   - Add wake-up/reset delay in; cross_ec_spi, arizona-core
   - Staticise structures/functions in; cros_ec
   - Remove redundant code; arizona-core, max77686
   - Bugfix; twl4030-power
   - Allow compile test; aat2870, tps65910
   - MAINTAINERS adaptions; samsung, syscon
   - Resource Management (devm_*); arizona-core
   - Refactor Reset code; arizona-core
   - Insist on at least one full boot; arizona-core
   - Trivial formatting; arizona-core
   - Add low-power-sleep; arizona-core
   - IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
                          wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c

  (Re-)moved drivers:
   - Move protocol helpers out to drivers/platform; cros_ec

  New drivers/supported devices:
   - Add support for AXP22x into axp20x
   - Add support for OnKey into da9063-core
   - Add support for Pinctrl into mt6397-core
   - New STMicroelectronics LPC Watchdog driver
   - New STMicroelectronics LPC Real-Time Clock driver"

* tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (59 commits)
  mfd: lpc_ich: Assign subdevice ids automatically
  mfd: si476x-i2c: Pass the IRQF_ONESHOT flag
  mfd: ab8500-gpadc: Pass the IRQF_ONESHOT flag
  mfd: ab8500-debugfs: Pass the IRQF_ONESHOT flag
  mfd: wm8350-core: Pass the IRQF_ONESHOT flag
  mfd: htc-i2cpld: Pass the IRQF_ONESHOT flag
  mfd: wm831x-auxadc: Pass the IRQF_ONESHOT flag
  mfd: mc13xxx-core: Pass the IRQF_ONESHOT flag
  mfd: twl4030-irq: Pass the IRQF_ONESHOT flag
  mfd: mt6397-core: Add GPIO sub-module support
  mfd: arizona: Add convience defines for micd_rate/micd_bias_starttime
  mfd: dt: Add bindings for DA9063 OnKey
  mfd: da9063: Add support for OnKey driver
  mfd: arizona: Fix incorrect Makefile conditionals
  mfd: arizona: Add stub for wm5102_patch()
  mfd: Check ACPI device companion before checking resources
  Documentation: Add WM8998/WM1814 device tree bindings
  mfd: arizona: Split INx_MODE into two fields
  mfd: wm5110: Add delay before releasing reset line
  mfd: arizona: Add better support for system suspend
  ...

2 files changed, 21 insertions, 12 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 106fbac7f8c5..e8eb60c6d83e 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -677,7 +677,7 @@ config KEYBOARD_W90P910
 config KEYBOARD_CROS_EC
 	tristate "ChromeOS EC keyboard"
 	select INPUT_MATRIXKMAP
-	depends on MFD_CROS_EC
+	depends on CROS_EC_PROTO
 	help
 	  Say Y here to enable the matrix keyboard used by ChromeOS devices
 	  and implemented on the ChromeOS EC. You must enable one bus option
diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index b50c5b8b8a4d..b01966dc7eb3 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -148,19 +148,28 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
 
 static int cros_ec_keyb_get_state(struct cros_ec_keyb *ckdev, uint8_t *kb_state)
 {
-	int ret;
-	struct cros_ec_command msg = {
-		.command = EC_CMD_MKBP_STATE,
-		.insize = ckdev->cols,
-	};
+	int ret = 0;
+	struct cros_ec_command *msg;
 
-	ret = cros_ec_cmd_xfer(ckdev->ec, &msg);
-	if (ret < 0)
-		return ret;
+	msg = kmalloc(sizeof(*msg) + ckdev->cols, GFP_KERNEL);
+	if (!msg)
+		return -ENOMEM;
 
-	memcpy(kb_state, msg.indata, ckdev->cols);
+	msg->version = 0;
+	msg->command = EC_CMD_MKBP_STATE;
+	msg->insize = ckdev->cols;
+	msg->outsize = 0;
 
-	return 0;
+	ret = cros_ec_cmd_xfer(ckdev->ec, msg);
+	if (ret < 0) {
+		dev_err(ckdev->dev, "Error transferring EC message %d\n", ret);
+		goto exit;
+	}
+
+	memcpy(kb_state, msg->data, ckdev->cols);
+exit:
+	kfree(msg);
+	return ret;
 }
 
 static irqreturn_t cros_ec_keyb_irq(int irq, void *data)
@@ -266,7 +275,7 @@ static int cros_ec_keyb_probe(struct platform_device *pdev)
 	ckdev->dev = dev;
 	dev_set_drvdata(&pdev->dev, ckdev);
 
-	idev->name = ec->ec_name;
+	idev->name = CROS_EC_DEV_NAME;
 	idev->phys = ec->phys_name;
 	__set_bit(EV_REP, idev->evbit);