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Commit 2d350e5a authored by Vikram Narayanan's avatar Vikram Narayanan Committed by Artem Bityutskiy
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mtd: gpmi-nand: make debug prints more clear 



Make the error messages more debugging friendly

Signed-off-by: default avatarVikram Narayanan <vikram186@gmail.com>
Acked-by: default avatarHuang Shijie <b32955@freescale.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
parent 438db5a9

drivers/mtd/nand/gpmi-nand/gpmi-nand.c

+8 −6
Original line number Diff line number Diff line
@@ -222,7 +222,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) 


		ret = dma_map_sg(this->dev, sgl, 1, dr);

		if (ret == 0)

			pr_err("map failed.\n");

			pr_err("DMA mapping failed.\n");



		this->direct_dma_map_ok = false;

	}
@@ -456,7 +456,7 @@ static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) 


	dma_chan = dma_request_channel(mask, gpmi_dma_filter, this);

	if (!dma_chan) {

		pr_err("dma_request_channel failed.\n");

		pr_err("Failed to request DMA channel.\n");

		goto acquire_err;

	}
@@ -625,7 +625,8 @@ static int read_page_prepare(struct gpmi_nand_data *this, 
						length, DMA_FROM_DEVICE);

		if (dma_mapping_error(dev, dest_phys)) {

			if (alt_size < length) {

				pr_err("Alternate buffer is too small\n");

				pr_err("%s, Alternate buffer is too small\n",

					__func__);

				return -ENOMEM;

			}

			goto map_failed;
@@ -675,7 +676,8 @@ static int send_page_prepare(struct gpmi_nand_data *this, 
						DMA_TO_DEVICE);

		if (dma_mapping_error(dev, source_phys)) {

			if (alt_size < length) {

				pr_err("Alternate buffer is too small\n");

				pr_err("%s, Alternate buffer is too small\n",

					__func__);

				return -ENOMEM;

			}

			goto map_failed;
@@ -763,7 +765,7 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this) 


error_alloc:

	gpmi_free_dma_buffer(this);

	pr_err("allocate DMA buffer ret!!\n");

	pr_err("Error allocating DMA buffers!\n");

	return -ENOMEM;

}
@@ -1474,7 +1476,7 @@ static int gpmi_set_geometry(struct gpmi_nand_data *this) 
	/* Set up the NFC geometry which is used by BCH. */

	ret = bch_set_geometry(this);

	if (ret) {

		pr_err("set geometry ret : %d\n", ret);

		pr_err("Error setting BCH geometry : %d\n", ret);

		return ret;

	}