iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: gianfar: Clear CAR registers

Browse Source 
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>
This commit is contained in:
Esben Haabendal 2021-06-17 11:49:20 +02:00 committed by David S. Miller
parent 2658530d79
commit ef09487431
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/freescale/gianfar.c
View File

@ -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 */