diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/r852.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c index 20a654a94d3..3f219e61df7 100644 --- a/drivers/mtd/nand/r852.c +++ b/drivers/mtd/nand/r852.c @@ -150,7 +150,6 @@ static void r852_dma_done(struct r852_device *dev, int error) if (dev->phys_dma_addr && dev->phys_dma_addr != dev->phys_bounce_buffer) pci_unmap_single(dev->pci_dev, dev->phys_dma_addr, R852_DMA_LEN, dev->dma_dir ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); - complete(&dev->dma_done); } /* @@ -182,6 +181,7 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read) /* Set dma direction */ dev->dma_dir = do_read; dev->dma_stage = 1; + INIT_COMPLETION(dev->dma_done); dbg_verbose("doing dma %s ", do_read ? "read" : "write"); @@ -494,6 +494,11 @@ int r852_ecc_correct(struct mtd_info *mtd, uint8_t *dat, if (dev->card_unstable) return 0; + if (dev->dma_error) { + dev->dma_error = 0; + return -1; + } + r852_write_reg(dev, R852_CTL, dev->ctlreg | R852_CTL_ECC_ACCESS); ecc_reg = r852_read_reg_dword(dev, R852_DATALINE); r852_write_reg(dev, R852_CTL, dev->ctlreg); @@ -796,6 +801,7 @@ static irqreturn_t r852_irq(int irq, void *data) if (dma_status & R852_DMA_IRQ_ERROR) { dbg("recieved dma error IRQ"); r852_dma_done(dev, -EIO); + complete(&dev->dma_done); goto out; } @@ -825,8 +831,10 @@ static irqreturn_t r852_irq(int irq, void *data) r852_dma_enable(dev); /* Operation done */ - if (dev->dma_stage == 3) + if (dev->dma_stage == 3) { r852_dma_done(dev, 0); + complete(&dev->dma_done); + } goto out; } @@ -1082,7 +1090,7 @@ int r852_resume(struct device *device) dev->card_detected ? "added" : "removed"); queue_delayed_work(dev->card_workqueue, - &dev->card_detect_work, 1000); + &dev->card_detect_work, msecs_to_jiffies(1000)); return 0; } |