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authorEsben Haabendal <esben@geanix.com>2021-06-17 11:49:20 +0200
committerDavid S. Miller <davem@davemloft.net>2021-06-17 11:39:47 -0700
commitef09487431a96029b64a7a6fc4ced46662e921e7 (patch)
tree5a3c096cf3c42e86b55250862f9fb7ad854b40be /drivers/net/ethernet/freescale/gianfar.c
parent2658530d797ff33d110efd1513b7a7ef33ba5a30 (diff)
net: gianfar: Clear CAR registers
The CAR1 and CAR2 registers are W1C style registers, to the memset does not actually clear them. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar.c')
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index a0277fe8cc60..ebd1065f39fa 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -3103,6 +3103,9 @@ static void gfar_hw_init(struct gfar_private *priv)
/* Mask off the CAM interrupts */
gfar_write(&regs->rmon.cam1, 0xffffffff);
gfar_write(&regs->rmon.cam2, 0xffffffff);
+ /* Clear the CAR registers (w1c style) */
+ gfar_write(&regs->rmon.car1, 0xffffffff);
+ gfar_write(&regs->rmon.car2, 0xffffffff);
}
/* Initialize ECNTRL */