@@ -382,7 +382,8 @@ static int tegra_i2c_dma_submit(struct tegra_i2c_dev *i2c_dev, size_t len)
len, dir, DMA_PREP_INTERRUPT |
DMA_CTRL_ACK);
if (!dma_desc) {
- dev_err(i2c_dev->dev, "failed to get DMA descriptor\n");
+ dev_err(i2c_dev->dev, "failed to get %s DMA descriptor\n",
+ i2c_dev->msg_read ? "RX" : "TX");
return -EINVAL;
}
@@ -423,7 +424,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
return 0;
if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) {
- dev_dbg(i2c_dev->dev, "Support for APB DMA not enabled!\n");
+ dev_dbg(i2c_dev->dev, "DMA support not enabled\n");
return 0;
}
@@ -449,7 +450,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
dma_buf = dma_alloc_coherent(i2c_dev->dev, i2c_dev->dma_buf_size,
&dma_phys, GFP_KERNEL | __GFP_NOWARN);
if (!dma_buf) {
- dev_err(i2c_dev->dev, "failed to allocate the DMA buffer\n");
+ dev_err(i2c_dev->dev, "failed to allocate DMA buffer\n");
err = -ENOMEM;
goto err_out;
}
@@ -573,7 +574,7 @@ static int tegra_i2c_wait_for_config_load(struct tegra_i2c_dev *i2c_dev)
err = tegra_i2c_poll_register(i2c_dev, I2C_CONFIG_LOAD, 0xffffffff,
1000, I2C_CONFIG_LOAD_TIMEOUT);
if (err) {
- dev_warn(i2c_dev->dev, "timeout waiting for config load\n");
+ dev_err(i2c_dev->dev, "failed to load config\n");
return err;
}
@@ -836,7 +837,7 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id)
status = i2c_readl(i2c_dev, I2C_INT_STATUS);
if (status == 0) {
- dev_warn(i2c_dev->dev, "irq status 0 %08x %08x %08x\n",
+ dev_warn(i2c_dev->dev, "IRQ status 0 %08x %08x %08x\n",
i2c_readl(i2c_dev, I2C_PACKET_TRANSFER_STATUS),
i2c_readl(i2c_dev, I2C_STATUS),
i2c_readl(i2c_dev, I2C_CNFG));
@@ -980,8 +981,7 @@ static void tegra_i2c_config_fifo_trig(struct tegra_i2c_dev *i2c_dev,
slv_config.device_fc = true;
err = dmaengine_slave_config(chan, &slv_config);
if (err) {
- dev_err(i2c_dev->dev, "DMA slave config failed: %d\n",
- err);
+ dev_err(i2c_dev->dev, "DMA config failed: %d\n", err);
dev_err(i2c_dev->dev, "falling back to PIO\n");
tegra_i2c_release_dma(i2c_dev);
i2c_dev->dma_mode = false;
@@ -1080,14 +1080,13 @@ static int tegra_i2c_issue_bus_clear(struct i2c_adapter *adap)
tegra_i2c_mask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE);
if (time_left == 0) {
- dev_err(i2c_dev->dev, "timed out for bus clear\n");
+ dev_err(i2c_dev->dev, "failed to clear bus\n");
return -ETIMEDOUT;
}
val = i2c_readl(i2c_dev, I2C_BUS_CLEAR_STATUS);
if (!(val & I2C_BC_STATUS)) {
- dev_err(i2c_dev->dev,
- "un-recovered arbitration lost\n");
+ dev_err(i2c_dev->dev, "un-recovered arbitration lost\n");
return -EIO;
}
@@ -1217,12 +1216,8 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
xfer_size,
DMA_FROM_DEVICE);
err = tegra_i2c_dma_submit(i2c_dev, xfer_size);
- if (err) {
- dev_err(i2c_dev->dev,
- "starting RX DMA failed, err %d\n",
- err);
+ if (err)
return err;
- }
} else {
dma_sync_single_for_cpu(i2c_dev->dev,
@@ -1242,12 +1237,8 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
xfer_size,
DMA_TO_DEVICE);
err = tegra_i2c_dma_submit(i2c_dev, xfer_size);
- if (err) {
- dev_err(i2c_dev->dev,
- "starting TX DMA failed, err %d\n",
- err);
+ if (err)
return err;
- }
} else {
tegra_i2c_fill_tx_fifo(i2c_dev);
}
@@ -1263,7 +1254,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
}
tegra_i2c_unmask_irq(i2c_dev, int_mask);
- dev_dbg(i2c_dev->dev, "unmasked irq: %02x\n",
+ dev_dbg(i2c_dev->dev, "unmasked IRQ: %02x\n",
i2c_readl(i2c_dev, I2C_INT_MASK));
if (i2c_dev->dma_mode) {
@@ -1285,7 +1276,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
i2c_dev->tx_dma_chan);
if (!time_left && !completion_done(&i2c_dev->dma_complete)) {
- dev_err(i2c_dev->dev, "DMA transfer timeout\n");
+ dev_err(i2c_dev->dev, "DMA transfer timed out\n");
tegra_i2c_init(i2c_dev);
return -ETIMEDOUT;
}
@@ -1306,7 +1297,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
tegra_i2c_mask_irq(i2c_dev, int_mask);
if (time_left == 0) {
- dev_err(i2c_dev->dev, "i2c transfer timed out\n");
+ dev_err(i2c_dev->dev, "I2C transfer timed out\n");
tegra_i2c_init(i2c_dev);
return -ETIMEDOUT;
}