diff options
| author |   Finn Thain <fthain@telegraphics.com.au> | 2020-01-23 09:07:26 +1100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-01-23 21:24:37 +0100 |
| commit | 3f4b7e6a2be982fd8820a2b54d46dd9c351db899 (patch) | |
| tree | 49a4aa857fd17701041b964a22bc4a6c224930d1 /drivers/net/ethernet/natsemi/sonic.h | |
| parent | net/sonic: Fix receive buffer replenishment (diff) | |
| download | linux-dev-3f4b7e6a2be982fd8820a2b54d46dd9c351db899.tar.xz linux-dev-3f4b7e6a2be982fd8820a2b54d46dd9c351db899.zip | |
net/sonic: Quiesce SONIC before re-initializing descriptor memory
Make sure the SONIC's DMA engine is idle before altering the transmit
and receive descriptors. Add a helper for this as it will be needed
again.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/natsemi/sonic.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/natsemi/sonic.h b/drivers/net/ethernet/natsemi/sonic.h index cc2f7b4b77e3..1df6d2f06cc4 100644 --- a/drivers/net/ethernet/natsemi/sonic.h +++ b/drivers/net/ethernet/natsemi/sonic.h @@ -110,6 +110,9 @@ #define SONIC_CR_TXP 0x0002 #define SONIC_CR_HTX 0x0001 +#define SONIC_CR_ALL (SONIC_CR_LCAM | SONIC_CR_RRRA | \ + SONIC_CR_RXEN | SONIC_CR_TXP) + /* * SONIC data configuration bits */ |