[Patch v4 08/10] mtd: rawnand: lpx32xx: Request DMA channels using DT entries

Piotr Wojtaszczyk
2024-06-20T18:00:30Z

Move away from pl08x platform data towards device tree.

Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>
---
Changes for v4:
- This patch is new in v4

drivers/mtd/nand/raw/lpc32xx_mlc.c | 10 +---------
drivers/mtd/nand/raw/lpc32xx_slc.c | 10 +---------
2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc32xx_mlc.c
index 677fcb03f9be..e504e3c5af11 100644
--- a/drivers/mtd/nand/raw/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c
@@ -574,15 +574,7 @@ static int lpc32xx_dma_setup(struct lpc32xx_nand_host *host)
struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
dma_cap_mask_t mask;

- if (!host->pdata || !host->pdata->dma_filter) {
- dev_err(mtd->dev.parent, "no DMA platform data\n");
- return -ENOENT;
- }
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- host->dma_chan = dma_request_channel(mask, host->pdata->dma_filter,
- "nand-mlc");
+ host->dma_chan = dma_request_chan(mtd->dev.parent, "rx-tx");
if (!host->dma_chan) {
dev_err(mtd->dev.parent, "Failed to request DMA channel\n");
return -EBUSY;
diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c
index 1c5fa855b9f2..f83a31411bde 100644
--- a/drivers/mtd/nand/raw/lpc32xx_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_slc.c
@@ -721,15 +721,7 @@ static int lpc32xx_nand_dma_setup(struct lpc32xx_nand_host *host)
struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
dma_cap_mask_t mask;

- if (!host->pdata || !host->pdata->dma_filter) {
- dev_err(mtd->dev.parent, "no DMA platform data\n");
- return -ENOENT;
- }
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- host->dma_chan = dma_request_channel(mask, host->pdata->dma_filter,
- "nand-slc");
+ host->dma_chan = dma_request_chan(mtd->dev.parent, "rx-tx");
if (!host->dma_chan) {
dev_err(mtd->dev.parent, "Failed to request DMA channel\n");
return -EBUSY;
--
2.25.1