diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-09-22 05:46:49 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-09-22 09:04:40 +0200 |
| commit | 89dcb27b09fdcc8b585791815be07413d0487102 (patch) | |
| tree | b730b9f92514a74f97c3a8512a74eded1859697c /drivers/mtd | |
| parent | mtd: nand: denali: support direct addressing mode (diff) | |
| download | linux-89dcb27b09fdcc8b585791815be07413d0487102.tar.xz linux-89dcb27b09fdcc8b585791815be07413d0487102.zip | |
mtd: nand: denali: change the setup_dma choice into hook
The previous commit added some hooks into struct denali_nand_info,
so here is one more for clean-up.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/denali.c | 15 | ||||
| -rw-r--r-- | drivers/mtd/nand/denali.h | 2 |
2 files changed, 7 insertions, 10 deletions
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 7c24983012a1..0b268ec88435 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -519,15 +519,6 @@ static void denali_setup_dma32(struct denali_nand_info *denali, denali->host_write(denali, mode | 0x14000, 0x2400); } -static void denali_setup_dma(struct denali_nand_info *denali, - dma_addr_t dma_addr, int page, int write) -{ - if (denali->caps & DENALI_CAP_DMA_64BIT) - denali_setup_dma64(denali, dma_addr, page, write); - else - denali_setup_dma32(denali, dma_addr, page, write); -} - static int denali_pio_read(struct denali_nand_info *denali, void *buf, size_t size, int page, int raw) { @@ -619,7 +610,7 @@ static int denali_dma_xfer(struct denali_nand_info *denali, void *buf, iowrite32(DMA_ENABLE__FLAG, denali->reg + DMA_ENABLE); denali_reset_irq(denali); - denali_setup_dma(denali, dma_addr, page, write); + denali->setup_dma(denali, dma_addr, page, write); irq_status = denali_wait_for_irq(denali, irq_mask); if (!(irq_status & INTR__DMA_CMD_COMP)) @@ -1314,6 +1305,10 @@ int denali_init(struct denali_nand_info *denali) if (denali->dma_avail) { chip->options |= NAND_USE_BOUNCE_BUFFER; chip->buf_align = 16; + if (denali->caps & DENALI_CAP_DMA_64BIT) + denali->setup_dma = denali_setup_dma64; + else + denali->setup_dma = denali_setup_dma32; } chip->bbt_options |= NAND_BBT_USE_FLASH; diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index 3aeb272d7a07..2911066dacac 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -321,6 +321,8 @@ struct denali_nand_info { const struct nand_ecc_caps *ecc_caps; u32 (*host_read)(struct denali_nand_info *denali, u32 addr); void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data); + void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr, + int page, int write); }; #define DENALI_CAP_HW_ECC_FIXUP BIT(0) |