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authorVikram Narayanan <vikram186@gmail.com>2012-09-23 15:18:32 +0530
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-11-15 15:37:45 +0200
commit2d350e5adb44b3fbc3b6d7ff5b8d086e7730c9b4 (patch)
tree47cc77c25e8ce45dbad160790a622f7ad61844fb /drivers/mtd
parent438db5a92b7526a12591f764042528a86d2ebb4b (diff)
downloadop-kernel-dev-2d350e5adb44b3fbc3b6d7ff5b8d086e7730c9b4.zip
op-kernel-dev-2d350e5adb44b3fbc3b6d7ff5b8d086e7730c9b4.tar.gz
mtd: gpmi-nand: make debug prints more clear
Make the error messages more debugging friendly Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Acked-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/gpmi-nand/gpmi-nand.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index d79696b..e2c56fc 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -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;
}
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