From: Christoph Hellwig <hch@lst.de>
To: cand@gmx.com, axboe@kernel.dk
Cc: linux-block@vger.kernel.org
Subject: [PATCH] n64cart: fix the dma address in n64cart_do_bvec
Date: Wed, 4 Aug 2021 11:49:58 +0200 [thread overview]
Message-ID: <20210804094958.460298-1-hch@lst.de> (raw)
dma_map_bvec already takes bv_offset into account.
Fixes: 9b2a2bbbb4d0 ("block: Add n64 cart driver")
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/block/n64cart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/n64cart.c b/drivers/block/n64cart.c
index 7b4dd10af9ec..c84be0028f63 100644
--- 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);
--
2.30.2
next reply other threads:[~2021-08-04 9:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-04 9:49 Christoph Hellwig [this message]
2021-08-04 10:01 ` [PATCH] n64cart: fix the dma address in n64cart_do_bvec Lauri Kasanen
2021-08-04 10:02 ` Christoph Hellwig
2021-08-04 10:16 ` Lauri Kasanen
2021-08-04 17:15 ` Jens Axboe
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