diff options
Diffstat (limited to 'drivers/mtd/devices/docg3.c')
| -rw-r--r-- | drivers/mtd/devices/docg3.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 5b0ae5ddad74..a7714e3de887 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -300,7 +300,7 @@ static void doc_write_data_area(struct docg3 *docg3, const void *buf, int len) } /** - * doc_set_data_mode - Sets the flash to normal or reliable data mode + * doc_set_reliable_mode - Sets the flash to normal or reliable data mode * @docg3: the device * * The reliable data mode is a bit slower than the fast mode, but less errors @@ -442,7 +442,7 @@ static void doc_setup_writeaddr_sector(struct docg3 *docg3, int sector, int ofs) } /** - * doc_seek - Set both flash planes to the specified block, page for reading + * doc_read_seek - Set both flash planes to the specified block, page for reading * @docg3: the device * @block0: the first plane block index * @block1: the second plane block index @@ -871,6 +871,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from, u8 *buf = ops->datbuf; size_t len, ooblen, nbdata, nboob; u8 hwecc[DOC_ECC_BCH_SIZE], eccconf1; + struct mtd_ecc_stats old_stats; int max_bitflips = 0; if (buf) @@ -895,6 +896,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from, ret = 0; skip = from % DOC_LAYOUT_PAGE_SIZE; mutex_lock(&docg3->cascade->lock); + old_stats = mtd->ecc_stats; while (ret >= 0 && (len > 0 || ooblen > 0)) { calc_block_sector(from - skip, &block0, &block1, &page, &ofs, docg3->reliable); @@ -966,6 +968,12 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from, } out: + if (ops->stats) { + ops->stats->uncorrectable_errors += + mtd->ecc_stats.failed - old_stats.failed; + ops->stats->corrected_bitflips += + mtd->ecc_stats.corrected - old_stats.corrected; + } mutex_unlock(&docg3->cascade->lock); return ret; err_in_read: @@ -1951,7 +1959,7 @@ static int docg3_suspend(struct platform_device *pdev, pm_message_t state) } /** - * doc_probe - Probe the IO space for a DiskOnChip G3 chip + * docg3_probe - Probe the IO space for a DiskOnChip G3 chip * @pdev: platform device * * Probes for a G3 chip at the specified IO space in the platform data @@ -1974,9 +1982,14 @@ static int __init docg3_probe(struct platform_device *pdev) dev_err(dev, "No I/O memory resource defined\n"); return ret; } - base = devm_ioremap(dev, ress->start, DOC_IOSPACE_SIZE); ret = -ENOMEM; + base = devm_ioremap(dev, ress->start, DOC_IOSPACE_SIZE); + if (!base) { + dev_err(dev, "devm_ioremap dev failed\n"); + return ret; + } + cascade = devm_kcalloc(dev, DOC_MAX_NBFLOORS, sizeof(*cascade), GFP_KERNEL); if (!cascade) |