diff options
| author | Dinesh Maniyam <[email protected]> | 2025-02-27 00:18:25 +0800 |
|---|---|---|
| committer | Michael Trimarchi <[email protected]> | 2025-03-15 10:35:01 +0100 |
| commit | 2b2745b18967e4ec04c04630744eb35b908546ee (patch) | |
| tree | ccdfa11274696f6f681ddbca0cf6bd420e613838 /drivers | |
| parent | 880c317230a8650f3b1fca3fa6ee16adce47545c (diff) | |
drivers: mtd: nand: cadence: Use bounce buffer
Enable nand to use bounce buffer. In bounce buffer,
read/write buf will use cadence->buf which has been allocated
using malloc. This will align the memory and avoid memory to be
allocated in different addresses.
Signed-off-by: Dinesh Maniyam <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/raw/cadence_nand.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/cadence_nand.c b/drivers/mtd/nand/raw/cadence_nand.c index e571e5a6868..27aa7f97a45 100644 --- a/drivers/mtd/nand/raw/cadence_nand.c +++ b/drivers/mtd/nand/raw/cadence_nand.c @@ -980,7 +980,7 @@ static int cadence_nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, cadence_nand_prepare_data_size(mtd, TT_MAIN_OOB_AREA_EXT); if (cadence_nand_dma_buf_ok(cadence, buf, mtd->writesize) && - cadence->caps2.data_control_supp) { + cadence->caps2.data_control_supp && !(chip->options & NAND_USE_BOUNCE_BUFFER)) { u8 *oob; if (oob_required) @@ -1156,7 +1156,7 @@ static int cadence_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, * is supported then transfer data and oob directly. */ if (cadence_nand_dma_buf_ok(cadence, buf, mtd->writesize) && - cadence->caps2.data_control_supp) { + cadence->caps2.data_control_supp && !(chip->options & NAND_USE_BOUNCE_BUFFER)) { u8 *oob; if (oob_required) @@ -1859,6 +1859,7 @@ static int cadence_nand_attach_chip(struct nand_chip *chip) return ret; } + chip->options |= NAND_USE_BOUNCE_BUFFER; chip->bbt_options |= NAND_BBT_USE_FLASH; chip->bbt_options |= NAND_BBT_NO_OOB; chip->ecc.mode = NAND_ECC_HW_SYNDROME; |