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88a404a2d1
Add a new microchipsw target aimed add supporting Microchip switch SoC-s. Start by supporting LAN969x SoC-s as the first subtarget. Signed-off-by: Robert Marko <robert.marko@sartura.hr>
33 lines
1.3 KiB
Diff
33 lines
1.3 KiB
Diff
From f7a21fee946712acc54102479f0ebaaff48164e4 Mon Sep 17 00:00:00 2001
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From: Daniel Machon <daniel.machon@microchip.com>
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Date: Thu, 5 Dec 2024 14:54:25 +0100
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Subject: [PATCH 66/82] 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
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in the PTP handler of lan969x. Fix this by correctly using the _irqsave
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variants.
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Fixes: 24fe83541755 ("net: lan969x: add PTP handler function")
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Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
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[1]: https://lore.kernel.org/netdev/20241024-sparx5-lan969x-switch-driver-2-v2-10-a0b5fae88a0f@microchip.com/
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/microchip/sparx5/lan969x/lan969x.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x.c
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+++ b/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x.c
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@@ -273,9 +273,9 @@ static irqreturn_t lan969x_ptp_irq_handl
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if (WARN_ON(!skb_match))
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continue;
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- spin_lock(&sparx5->ptp_ts_id_lock);
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+ spin_lock_irqsave(&sparx5->ptp_ts_id_lock, flags);
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sparx5->ptp_skbs--;
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- spin_unlock(&sparx5->ptp_ts_id_lock);
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+ spin_unlock_irqrestore(&sparx5->ptp_ts_id_lock, flags);
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/* Get the h/w timestamp */
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sparx5_get_hwtimestamp(sparx5, &ts, delay);
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