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n64cart: fix the dma address in n64cart_do_bvec
author
Christoph Hellwig
<hch@lst.de>
Wed, 4 Aug 2021 09:49:58 +0000
(11:49 +0200)
committer
Jens Axboe
<axboe@kernel.dk>
Wed, 4 Aug 2021 17:15:21 +0000
(11:15 -0600)
dma_map_bvec already takes bv_offset into account.
Fixes:
9b2a2bbbb4d0
("block: Add n64 cart driver")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/n64cart.c
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diff --git
a/drivers/block/n64cart.c
b/drivers/block/n64cart.c
index 7b4dd10af9ec528021af6781d82fca5b1aecd686..c84be0028f6354bae1ff9bf27094fe0fa82544e8 100644
(file)
--- a/
drivers/block/n64cart.c
+++ b/
drivers/block/n64cart.c
@@
-74,7
+74,7
@@
static bool n64cart_do_bvec(struct device *dev, struct bio_vec *bv, u32 pos)
n64cart_wait_dma();
- n64cart_write_reg(PI_DRAM_REG, dma_addr
+ bv->bv_offset
);
+ n64cart_write_reg(PI_DRAM_REG, dma_addr);
n64cart_write_reg(PI_CART_REG, (bstart | CART_DOMAIN) & CART_MAX);
n64cart_write_reg(PI_WRITE_REG, bv->bv_len - 1);