diff options
| -rw-r--r-- | hw/net/can/xlnx-versal-canfd.c | 36 |
1 files changed, 3 insertions, 33 deletions
diff --git a/hw/net/can/xlnx-versal-canfd.c b/hw/net/can/xlnx-versal-canfd.c index ccfed364cc..e148bd7b46 100644 --- a/hw/net/can/xlnx-versal-canfd.c +++ b/hw/net/can/xlnx-versal-canfd.c @@ -1144,18 +1144,8 @@ static void update_rx_sequential(XlnxVersalCANFDState *s, read_index = ARRAY_FIELD_EX32(s->regs, RX_FIFO_STATUS_REGISTER, RI); store_index = read_index + fill_level; - if (read_index == s->cfg.rx0_fifo - 1) { - /* - * When ri is s->cfg.rx0_fifo - 1 i.e. max, it goes cyclic that - * means we reset the ri to 0x0. - */ - read_index = 0; - ARRAY_FIELD_DP32(s->regs, RX_FIFO_STATUS_REGISTER, RI, - read_index); - } - if (store_index > s->cfg.rx0_fifo - 1) { - store_index -= s->cfg.rx0_fifo - 1; + store_index -= s->cfg.rx0_fifo; } store_location = R_RB_ID_REGISTER + @@ -1172,18 +1162,8 @@ static void update_rx_sequential(XlnxVersalCANFDState *s, RI_1); store_index = read_index + fill_level; - if (read_index == s->cfg.rx1_fifo - 1) { - /* - * When ri is s->cfg.rx1_fifo - 1 i.e. max, it goes cyclic that - * means we reset the ri to 0x0. - */ - read_index = 0; - ARRAY_FIELD_DP32(s->regs, RX_FIFO_STATUS_REGISTER, RI_1, - read_index); - } - if (store_index > s->cfg.rx1_fifo - 1) { - store_index -= s->cfg.rx1_fifo - 1; + store_index -= s->cfg.rx1_fifo; } store_location = R_RB_ID_REGISTER_1 + @@ -1265,18 +1245,8 @@ static void tx_fifo_stamp(XlnxVersalCANFDState *s, uint32_t tb0_regid) " Discarding the message\n"); ARRAY_FIELD_DP32(s->regs, INTERRUPT_STATUS_REGISTER, TXEOFLW, 1); } else { - if (read_index == s->cfg.tx_fifo - 1) { - /* - * When ri is s->cfg.tx_fifo - 1 i.e. max, it goes cyclic that - * means we reset the ri to 0x0. - */ - read_index = 0; - ARRAY_FIELD_DP32(s->regs, TX_EVENT_FIFO_STATUS_REGISTER, TXE_RI, - read_index); - } - if (store_index > s->cfg.tx_fifo - 1) { - store_index -= s->cfg.tx_fifo - 1; + store_index -= s->cfg.tx_fifo; } assert(store_index < s->cfg.tx_fifo); |