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path: root/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
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Diffstat (limited to 'drivers/mtd/nand/gpmi-nand/gpmi-nand.c')
-rw-r--r--drivers/mtd/nand/gpmi-nand/gpmi-nand.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 33f3c3c54dbc..1b8f3500e6d2 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -446,7 +446,7 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
struct dma_async_tx_descriptor *desc)
{
struct completion *dma_c = &this->dma_done;
- int err;
+ unsigned long timeout;
init_completion(dma_c);
@@ -456,8 +456,8 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
dma_async_issue_pending(get_dma_chan(this));
/* Wait for the interrupt from the DMA block. */
- err = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
- if (!err) {
+ timeout = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
+ if (!timeout) {
dev_err(this->dev, "DMA timeout, last DMA :%d\n",
this->last_dma_type);
gpmi_dump_info(this);
@@ -477,7 +477,7 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this,
struct dma_async_tx_descriptor *desc)
{
struct completion *bch_c = &this->bch_done;
- int err;
+ unsigned long timeout;
/* Prepare to receive an interrupt from the BCH block. */
init_completion(bch_c);
@@ -486,8 +486,8 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this,
start_dma_without_bch_irq(this, desc);
/* Wait for the interrupt from the BCH block. */
- err = wait_for_completion_timeout(bch_c, msecs_to_jiffies(1000));
- if (!err) {
+ timeout = wait_for_completion_timeout(bch_c, msecs_to_jiffies(1000));
+ if (!timeout) {
dev_err(this->dev, "BCH timeout, last DMA :%d\n",
this->last_dma_type);
gpmi_dump_info(this);
@@ -1950,7 +1950,9 @@ static int gpmi_nand_init(struct gpmi_nand_data *this)
ret = nand_boot_init(this);
if (ret)
goto err_out;
- chip->scan_bbt(mtd);
+ ret = chip->scan_bbt(mtd);
+ if (ret)
+ goto err_out;
ppdata.of_node = this->pdev->dev.of_node;
ret = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0);