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net: phy: Add a helper to return the index for of the internal delay

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Add a helper function that will return the index in the array for the
passed in internal delay value.  The helper requires the array, size and
delay value.

The helper will then return the index for the exact match or return the
index for the index to the closest smaller value.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Murphy
2020-06-24 07:16:02 -05:00
committed by David S. Miller
parent 9150069bf5
commit 92252eec91
2 changed files with 103 additions and 0 deletions
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4
include/linux/phy.h
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@@ -1443,6 +1443,10 @@ void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx);
bool phy_validate_pause(struct phy_device *phydev,
struct ethtool_pauseparam *pp);
void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause);
s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev,
const int *delay_values, int size, bool is_rx);
void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv,
bool *tx_pause, bool *rx_pause);