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net: lan969x: fix the use of spin_lock in PTP handler

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We are mixing the use of spin_lock() and spin_lock_irqsave() functions
in the PTP handler of lan969x. Fix this by correctly using the _irqsave
variants.

Fixes: 24fe835417 ("net: lan969x: add PTP handler function")
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>

[1]: https://lore.kernel.org/netdev/20241024-sparx5-lan969x-switch-driver-2-v2-10-a0b5fae88a0f@microchip.com/

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Machon
2024-12-05 14:54:25 +01:00
committed by David S. Miller
parent 1cd7523f4b
commit aa5fc88984
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/microchip/sparx5/lan969x/lan969x.c
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@@ -273,9 +273,9 @@ static irqreturn_t lan969x_ptp_irq_handler(int irq, void *args)
if (WARN_ON(!skb_match))
continue;
spin_lock(&sparx5->ptp_ts_id_lock);
spin_lock_irqsave(&sparx5->ptp_ts_id_lock, flags);
sparx5->ptp_skbs--;
spin_unlock(&sparx5->ptp_ts_id_lock);
spin_unlock_irqrestore(&sparx5->ptp_ts_id_lock, flags);
/* Get the h/w timestamp */
sparx5_get_hwtimestamp(sparx5, &ts, delay);