Re: [PATCH] imx/gpmi: Make debug prints more clear

Huang Shijie
2012-10-09T01:41:06Z

于 2012年10月09日 00:58, Vikram Narayanan 写道:
> Hello Huang,
>
> Can you please give an ACK for this?
>
> Thanks,
> Vikram
>
> On 9/23/2012 3:18 PM, Vikram Narayanan wrote:
>> Make the error messages more debugging friendly
>>
>> Signed-off-by: Vikram Narayanan<vikram186@gmail.com>
>> Cc: Huang Shijie<b32955@freescale.com>
>> ---
>> drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 14 ++++++++------
>> 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 5999b15..24fbfb8 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;
>> }
>>
>> @@ -630,7 +630,8 @@ 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;
>> @@ -680,7 +681,8 @@ 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;
>> @@ -768,7 +770,7 @@ 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;
>> }
>>
>> @@ -1479,7 +1481,7 @@ 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;
>> }
>>
>
>
thanks.

Acked-by: Huang Shijie <b32955@freescale.com>