diff options
Diffstat (limited to 'drivers/i2c/tegra_i2c.c')
| -rw-r--r-- | drivers/i2c/tegra_i2c.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c index 58e42d695b..5b7ff4b8dc 100644 --- a/drivers/i2c/tegra_i2c.c +++ b/drivers/i2c/tegra_i2c.c @@ -206,12 +206,12 @@ static void send_packet_headers( bf_pack(PKT_HDR1_PKT_ID, packet_id) | bf_pack(PKT_HDR1_CTLR_ID, i2c_bus->id); writel(data, &i2c_bus->control->tx_fifo); - debug("pkt header 1 sent (0x%x)\n", data); + debug(" pkt header 1 sent (0x%x)\n", data); /* prepare header2 */ data = bf_pack(PKT_HDR2_PAYLOAD_SIZE, (trans->num_bytes - 1)); writel(data, &i2c_bus->control->tx_fifo); - debug("pkt header 2 sent (0x%x)\n", data); + debug(" pkt header 2 sent (0x%x)\n", data); /* prepare IO specific header: configure the slave address */ data = bf_pack(PKT_HDR3_SLAVE_ADDR, trans->address); @@ -222,7 +222,7 @@ static void send_packet_headers( /* Write I2C specific header */ writel(data, &i2c_bus->control->tx_fifo); - debug("pkt header 3 sent (0x%x)\n", data); + debug(" pkt header 3 sent (0x%x)\n", data); } static int wait_for_tx_fifo_empty(struct i2c_control *control) @@ -319,18 +319,21 @@ static int send_recv_packets( if ((unsigned)dptr & 3) { memcpy(&local, dptr, sizeof(u32)); writel(local, &control->tx_fifo); - debug("pkt data sent (0x%x)\n", local); + debug(" u pkt data sent (0x%x)\n", local); } else { writel(*(u32 *)dptr, &control->tx_fifo); - debug("pkt data sent (0x%x)\n", *(u32 *)dptr); + debug(" a pkt data sent (0x%x)\n", + *(u32 *)dptr); } if (!wait_for_tx_fifo_empty(control)) { error = -1; + debug(" wait_for_tx_fifo_empty failed\n"); goto exit; } } else { if (!wait_for_rx_fifo_notempty(control)) { error = -1; + debug(" wait_for_rx_fifo_notempty failed\n"); goto exit; } /* @@ -344,7 +347,7 @@ static int send_recv_packets( memcpy(dptr, &local, sizeof(u32)); else *(u32 *)dptr = local; - debug("pkt data received (0x%x)\n", local); + debug(" pkt data received (0x%x)\n", local); } words--; dptr += sizeof(u32); @@ -352,6 +355,7 @@ static int send_recv_packets( if (wait_for_transfer_complete(control)) { error = -1; + debug(" wait_for_transfer_complete failed\n"); goto exit; } return 0; @@ -375,7 +379,7 @@ static int tegra_i2c_write_data(u32 addr, u8 *data, u32 len) error = send_recv_packets(&i2c_controllers[i2c_bus_num], &trans_info); if (error) - debug("tegra_i2c_write_data: Error (%d) !!!\n", error); + debug(" tegra_i2c_write_data: Error (%d) !!!\n", error); return error; } @@ -504,7 +508,7 @@ int i2c_write_data(uchar chip, uchar *buffer, int len) int rc; debug("i2c_write_data: chip=0x%x, len=0x%x\n", chip, len); - debug("write_data: "); + debug(" write_data: "); /* use rc for counter */ for (rc = 0; rc < len; ++rc) debug(" 0x%02x", buffer[rc]); |