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Date: Thu, 17 Jun 2021 11:49:20 +0200 From: Esben Haabendal <esben@...nix.com> To: netdev@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Rasmus Villemoes <linux@...musvillemoes.dk>, Claudiu Manoil <claudiu.manoil@....com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH 3/6] 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@...nix.com> --- drivers/net/ethernet/freescale/gianfar.c | 3 +++ 1 file changed, 3 insertions(+) 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(®s->rmon.cam1, 0xffffffff); gfar_write(®s->rmon.cam2, 0xffffffff); + /* Clear the CAR registers (w1c style) */ + gfar_write(®s->rmon.car1, 0xffffffff); + gfar_write(®s->rmon.car2, 0xffffffff); } /* Initialize ECNTRL */ -- 2.32.0
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