diff options
| -rw-r--r-- | drivers/net/ethernet/oa_tc6.c | 24 | ||||
| -rw-r--r-- | include/linux/oa_tc6.h | 1 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/oa_tc6.c b/drivers/net/ethernet/oa_tc6.c index d3510dc19273..f9c0dcd965c2 100644 --- a/drivers/net/ethernet/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6.c @@ -23,6 +23,7 @@ /* Configuration Register #0 */ #define OA_TC6_REG_CONFIG0 0x0004 #define CONFIG0_SYNC BIT(15) +#define CONFIG0_ZARFE_ENABLE BIT(12) /* Status Register #0 */ #define OA_TC6_REG_STATUS0 0x0008 @@ -1164,6 +1165,29 @@ static irqreturn_t oa_tc6_macphy_isr(int irq, void *data) } /** + * oa_tc6_zero_align_receive_frame_enable - function to enable zero align + * receive frame feature. + * @tc6: oa_tc6 struct. + * + * Return: 0 on success otherwise failed. + */ +int oa_tc6_zero_align_receive_frame_enable(struct oa_tc6 *tc6) +{ + u32 regval; + int ret; + + ret = oa_tc6_read_register(tc6, OA_TC6_REG_CONFIG0, ®val); + if (ret) + return ret; + + /* Set Zero-Align Receive Frame Enable */ + regval |= CONFIG0_ZARFE_ENABLE; + + return oa_tc6_write_register(tc6, OA_TC6_REG_CONFIG0, regval); +} +EXPORT_SYMBOL_GPL(oa_tc6_zero_align_receive_frame_enable); + +/** * oa_tc6_start_xmit - function for sending the tx skb which consists ethernet * frame. * @tc6: oa_tc6 struct. diff --git a/include/linux/oa_tc6.h b/include/linux/oa_tc6.h index 5c7811ac9cbe..15f58e3c56c7 100644 --- a/include/linux/oa_tc6.h +++ b/include/linux/oa_tc6.h @@ -21,3 +21,4 @@ int oa_tc6_read_register(struct oa_tc6 *tc6, u32 address, u32 *value); int oa_tc6_read_registers(struct oa_tc6 *tc6, u32 address, u32 value[], u8 length); netdev_tx_t oa_tc6_start_xmit(struct oa_tc6 *tc6, struct sk_buff *skb); +int oa_tc6_zero_align_receive_frame_enable(struct oa_tc6 *tc6); |