diff options
| -rw-r--r-- | drivers/mtd/nand/onenand/onenand_omap2.c | 16 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_legacy.c | 9 |
2 files changed, 13 insertions, 12 deletions
diff --git a/drivers/mtd/nand/onenand/onenand_omap2.c b/drivers/mtd/nand/onenand/onenand_omap2.c index d8c0bd002c2b..12825eb97938 100644 --- a/drivers/mtd/nand/onenand/onenand_omap2.c +++ b/drivers/mtd/nand/onenand/onenand_omap2.c @@ -371,12 +371,12 @@ static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area, bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; /* - * If the buffer address is not DMA-able, len is not long enough to make - * DMA transfers profitable or panic_write() may be in an interrupt - * context fallback to PIO mode. + * If the buffer address is not DMA-able, len is not long enough to + * make DMA transfers profitable or if invoked from panic_write() + * fallback to PIO mode. */ if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 || - count < 384 || in_interrupt() || oops_in_progress) + count < 384 || mtd->oops_panic_write) goto out_copy; xtra = count & 3; @@ -418,12 +418,12 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area, bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; /* - * If the buffer address is not DMA-able, len is not long enough to make - * DMA transfers profitable or panic_write() may be in an interrupt - * context fallback to PIO mode. + * If the buffer address is not DMA-able, len is not long enough to + * make DMA transfers profitable or if invoked from panic_write() + * fallback to PIO mode. */ if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 || - count < 384 || in_interrupt() || oops_in_progress) + count < 384 || mtd->oops_panic_write) goto out_copy; dma_src = dma_map_single(dev, buf, count, DMA_TO_DEVICE); diff --git a/drivers/mtd/nand/raw/nand_legacy.c b/drivers/mtd/nand/raw/nand_legacy.c index 2bcc03714432..eccc18b266d5 100644 --- a/drivers/mtd/nand/raw/nand_legacy.c +++ b/drivers/mtd/nand/raw/nand_legacy.c @@ -192,9 +192,10 @@ static void panic_nand_wait_ready(struct nand_chip *chip, unsigned long timeo) */ void nand_wait_ready(struct nand_chip *chip) { + struct mtd_info *mtd = nand_to_mtd(chip); unsigned long timeo = 400; - if (in_interrupt() || oops_in_progress) + if (mtd->oops_panic_write) return panic_nand_wait_ready(chip, timeo); /* Wait until command is processed or timeout occurs */ @@ -531,7 +532,7 @@ EXPORT_SYMBOL(nand_get_set_features_notsupp); */ static int nand_wait(struct nand_chip *chip) { - + struct mtd_info *mtd = nand_to_mtd(chip); unsigned long timeo = 400; u8 status; int ret; @@ -546,9 +547,9 @@ static int nand_wait(struct nand_chip *chip) if (ret) return ret; - if (in_interrupt() || oops_in_progress) + if (mtd->oops_panic_write) { panic_nand_wait(chip, timeo); - else { + } else { timeo = jiffies + msecs_to_jiffies(timeo); do { if (chip->legacy.dev_ready) { |