diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 419432d42049..61f002d22013 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -120,6 +120,28 @@ static void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, } } +/** + * t4_write_indirect - write indirectly addressed registers + * @adap: the adapter + * @addr_reg: register holding the indirect addresses + * @data_reg: register holding the value for the indirect registers + * @vals: values to write + * @nregs: how many indirect registers to write + * @start_idx: address of first indirect register to write + * + * Writes a sequential block of registers that are accessed indirectly + * through an address/data register pair. + */ +void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, + unsigned int data_reg, const u32 *vals, + unsigned int nregs, unsigned int start_idx) +{ + while (nregs--) { + t4_write_reg(adap, addr_reg, start_idx++); + t4_write_reg(adap, data_reg, *vals++); + } +} + /* * Get the reply to a mailbox command and store it in @rpl in big-endian order. */ |