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Subject[PATCH 5/5] MMC: cleanup endianity conversions
Date
This patch cleans up endianity conversions im mmc core

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
drivers/mmc/card/block.c | 5 ++---
drivers/mmc/core/mmc_ops.c | 12 ++++++------
drivers/mmc/core/sd_ops.c | 7 ++++---
3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index f9ad960..4b840de 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -144,7 +144,7 @@ struct mmc_blk_request {
static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
{
int err;
- u32 blocks;
+ __be32 blocks;

struct mmc_request mrq;
struct mmc_command cmd;
@@ -203,9 +203,8 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
if (cmd.error || data.error)
return (u32)-1;

- blocks = ntohl(blocks);

- return blocks;
+ return be32_to_cpu(blocks);
}

static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index e6703e5..3ad340c 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -271,17 +271,17 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
int mmc_send_csd(struct mmc_card *card, u32 *csd)
{
int ret, i;
-
+ __be32 csd_buf[4];
if (!mmc_host_is_spi(card->host))
return mmc_send_cxd_native(card->host, card->rca << 16,
csd, MMC_SEND_CSD);

- ret = mmc_send_cxd_data(card, card->host, MMC_SEND_CSD, csd, 16);
+ ret = mmc_send_cxd_data(card, card->host, MMC_SEND_CSD, csd_buf, 16);
if (ret)
return ret;

for (i = 0;i < 4;i++)
- csd[i] = be32_to_cpu(csd[i]);
+ csd[i] = be32_to_cpu(csd_buf[i]);

return 0;
}
@@ -289,7 +289,7 @@ int mmc_send_csd(struct mmc_card *card, u32 *csd)
int mmc_send_cid(struct mmc_host *host, u32 *cid)
{
int ret, i;
-
+ __be32 cid_buf[4];
if (!mmc_host_is_spi(host)) {
if (!host->card)
return -EINVAL;
@@ -297,12 +297,12 @@ int mmc_send_cid(struct mmc_host *host, u32 *cid)
cid, MMC_SEND_CID);
}

- ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid, 16);
+ ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid_buf, 16);
if (ret)
return ret;

for (i = 0;i < 4;i++)
- cid[i] = be32_to_cpu(cid[i]);
+ cid[i] = be32_to_cpu(cid_buf[i]);

return 0;
}
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 0d96080..7ef7b6c 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -254,6 +254,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
struct mmc_command cmd;
struct mmc_data data;
struct scatterlist sg;
+ __be32 scr_buf[2];

BUG_ON(!card);
BUG_ON(!card->host);
@@ -282,7 +283,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
data.sg = &sg;
data.sg_len = 1;

- sg_init_one(&sg, scr, 8);
+ sg_init_one(&sg, scr_buf, 8);

mmc_set_data_timeout(&data, card);

@@ -293,8 +294,8 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
if (data.error)
return data.error;

- scr[0] = be32_to_cpu(scr[0]);
- scr[1] = be32_to_cpu(scr[1]);
+ scr[0] = be32_to_cpu(scr_buf[0]);
+ scr[1] = be32_to_cpu(scr_buf[1]);

return 0;
}
--
1.5.4.1
---------------------------------------------------------------------
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