Merge branch 'linus' into perfcounters/core

Merge reason: This brach was on -rc1, refresh it to almost-rc4 to pick up
              the latest upstream fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 63ab6671d08..5567519676d 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -2071,3 +2071,58 @@ s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval)
 
 	return 0;
 }
+
+/**
+ *  ixgbe_blink_led_start_generic - Blink LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to blink
+ **/
+s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
+{
+	ixgbe_link_speed speed = 0;
+	bool link_up = 0;
+	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	/*
+	 * Link must be up to auto-blink the LEDs;
+	 * Force it if link is down.
+	 */
+	hw->mac.ops.check_link(hw, &speed, &link_up, false);
+
+	if (!link_up) {
+		autoc_reg |= IXGBE_AUTOC_FLU;
+		IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+		msleep(10);
+	}
+
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg |= IXGBE_LED_BLINK(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_blink_led_stop_generic - Stop blinking LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to stop blinking
+ **/
+s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
+{
+	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	autoc_reg &= ~IXGBE_AUTOC_FLU;
+	autoc_reg |= IXGBE_AUTOC_AN_RESTART;
+	IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg &= ~IXGBE_LED_BLINK(index);
+	led_reg |= IXGBE_LED_LINK_ACTIVE << IXGBE_LED_MODE_SHIFT(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}