diff options
| -rw-r--r-- | drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index b06e202cdd0d..aaae000f9169 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -2256,7 +2256,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, void *buf_read = NULL; const void *buf_write = NULL; bool direct = false; - struct completion *completion; + struct completion *dma_completion, *bch_completion; unsigned long to; if (check_only) @@ -2353,22 +2353,24 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, this->resources.bch_regs + HW_BCH_FLASH0LAYOUT1); } + desc->callback = dma_irq_callback; + desc->callback_param = this; + dma_completion = &this->dma_done; + bch_completion = NULL; + + init_completion(dma_completion); + if (this->bch && buf_read) { writel(BM_BCH_CTRL_COMPLETE_IRQ_EN, this->resources.bch_regs + HW_BCH_CTRL_SET); - completion = &this->bch_done; - } else { - desc->callback = dma_irq_callback; - desc->callback_param = this; - completion = &this->dma_done; + bch_completion = &this->bch_done; + init_completion(bch_completion); } - init_completion(completion); - dmaengine_submit(desc); dma_async_issue_pending(get_dma_chan(this)); - to = wait_for_completion_timeout(completion, msecs_to_jiffies(1000)); + to = wait_for_completion_timeout(dma_completion, msecs_to_jiffies(1000)); if (!to) { dev_err(this->dev, "DMA timeout, last DMA\n"); gpmi_dump_info(this); @@ -2376,6 +2378,16 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, goto unmap; } + if (this->bch && buf_read) { + to = wait_for_completion_timeout(bch_completion, msecs_to_jiffies(1000)); + if (!to) { + dev_err(this->dev, "BCH timeout, last DMA\n"); + gpmi_dump_info(this); + ret = -ETIMEDOUT; + goto unmap; + } + } + writel(BM_BCH_CTRL_COMPLETE_IRQ_EN, this->resources.bch_regs + HW_BCH_CTRL_CLR); gpmi_clear_bch(this); |