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path: root/drivers/net/ixgbe/ixgbe_common.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_common.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_common.c55
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)
2071 2071
2072 return 0; 2072 return 0;
2073} 2073}
2074
2075/**
2076 * ixgbe_blink_led_start_generic - Blink LED based on index.
2077 * @hw: pointer to hardware structure
2078 * @index: led number to blink
2079 **/
2080s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
2081{
2082 ixgbe_link_speed speed = 0;
2083 bool link_up = 0;
2084 u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
2085 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2086
2087 /*
2088 * Link must be up to auto-blink the LEDs;
2089 * Force it if link is down.
2090 */
2091 hw->mac.ops.check_link(hw, &speed, &link_up, false);
2092
2093 if (!link_up) {
2094 autoc_reg |= IXGBE_AUTOC_FLU;
2095 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
2096 msleep(10);
2097 }
2098
2099 led_reg &= ~IXGBE_LED_MODE_MASK(index);
2100 led_reg |= IXGBE_LED_BLINK(index);
2101 IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
2102 IXGBE_WRITE_FLUSH(hw);
2103
2104 return 0;
2105}
2106
2107/**
2108 * ixgbe_blink_led_stop_generic - Stop blinking LED based on index.
2109 * @hw: pointer to hardware structure
2110 * @index: led number to stop blinking
2111 **/
2112s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
2113{
2114 u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
2115 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2116
2117 autoc_reg &= ~IXGBE_AUTOC_FLU;
2118 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
2119 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
2120
2121 led_reg &= ~IXGBE_LED_MODE_MASK(index);
2122 led_reg &= ~IXGBE_LED_BLINK(index);
2123 led_reg |= IXGBE_LED_LINK_ACTIVE << IXGBE_LED_MODE_SHIFT(index);
2124 IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
2125 IXGBE_WRITE_FLUSH(hw);
2126
2127 return 0;
2128}