Currently this function is used inside the mmc test driver. But it is also
usable in the (upcoming) firmware update patch. So move this function out
of mmc_test.c into core.c.
Signed-off-by: Holger Schurig <holgerschu...@gmail.com>
---
drivers/mmc/card/mmc_test.c | 38 ++++++--------------------------------
drivers/mmc/core/core.c | 27 +++++++++++++++++++++++++++
include/linux/mmc/core.h | 3 +++
3 files changed, 36 insertions(+), 32 deletions(-)
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 1d9d997..94298fa 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -721,32 +721,6 @@ err:
}
/*
- * Tests a basic transfer with certain parameters
- */
-static int mmc_test_simple_transfer(struct mmc_test_card *test,
- struct scatterlist *sg, unsigned sg_len, unsigned dev_addr,
- unsigned blocks, unsigned blksz, int write)
-{
- struct mmc_request mrq = {0};
- struct mmc_command cmd = {0};
- struct mmc_command stop = {0};
- struct mmc_data data = {0};
-
- mrq.cmd = &cmd;
- mrq.data = &data;
- mrq.stop = &stop;
-
- mmc_prepare_mrq(test->card, &mrq, sg, sg_len, dev_addr,
- blocks, blksz, write);
-
- mmc_wait_for_req(test->card->host, &mrq);
-
- mmc_wait_busy(test->card);
-
- return mmc_check_result(&mrq);
-}
-
-/*
* Tests a transfer where the card will fail completely or partly
*/
static int mmc_test_broken_transfer(struct mmc_test_card *test,
@@ -801,7 +775,7 @@ static int mmc_test_transfer(struct mmc_test_card *test,
if (ret)
return ret;
- ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr,
+ ret = mmc_simple_transfer(test->card, sg, sg_len, dev_addr,
blocks, blksz, write);
if (ret)
return ret;
@@ -875,7 +849,7 @@ static int mmc_test_basic_write(struct mmc_test_card *test)
sg_init_one(&sg, test->buffer, 512);
- return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1);
+ return mmc_simple_transfer(test->card, &sg, 1, 0, 1, 512, 1);
}
static int mmc_test_basic_read(struct mmc_test_card *test)
@@ -889,7 +863,7 @@ static int mmc_test_basic_read(struct mmc_test_card *test)
sg_init_one(&sg, test->buffer, 512);
- return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0);
+ return mmc_simple_transfer(test->card, &sg, 1, 0, 1, 512, 0);
}
static int mmc_test_verify_write(struct mmc_test_card *test)
@@ -898,7 +872,7 @@ static int mmc_test_verify_write(struct mmc_test_card *test)
sg_init_one(&sg, test->buffer, 512);
- return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1);
+ return mmc_simple_transfer(test->card, &sg, 1, 0, 1, 512, 1);
}
static int mmc_test_verify_read(struct mmc_test_card *test)
@@ -907,7 +881,7 @@ static int mmc_test_verify_read(struct mmc_test_card *test)
sg_init_one(&sg, test->buffer, 512);
- return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0);
+ return mmc_simple_transfer(test->card, &sg, 1, 0, 1, 512, 0);
}
static int mmc_test_multi_write(struct mmc_test_card *test)
@@ -1268,7 +1242,7 @@ static int mmc_test_area_transfer(struct mmc_test_card
*test,
{
struct mmc_test_area *t = &test->area;
- return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr,
+ return mmc_simple_transfer(test->card, t->sg, t->sg_len, dev_addr,
t->blocks, 512, write);
}
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3254bce..fbc59ad 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2922,6 +2922,33 @@ int mmc_check_result(struct mmc_request *mrq)
}
EXPORT_SYMBOL(mmc_check_result);
+/*
+ * Run a basic transfer
+ */
+int mmc_simple_transfer(struct mmc_card *card,
+ struct scatterlist *sg, unsigned sg_len, unsigned dev_addr,
+ unsigned blocks, unsigned blksz, int write)
+{
+ struct mmc_request mrq = {0};
+ struct mmc_command cmd = {0};
+ struct mmc_command stop = {0};
+ struct mmc_data data = {0};
+
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+ mrq.stop = &stop;
+
+ mmc_prepare_mrq(card, &mrq, sg, sg_len, dev_addr,
+ blocks, blksz, write);
+
+ mmc_wait_for_req(card->host, &mrq);
+
+ mmc_wait_busy(card);
+
+ return mmc_check_result(&mrq);
+}
+EXPORT_SYMBOL(mmc_simple_transfer);
+
/**
* mmc_init_context_info() - init synchronization context
* @host: mmc host
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index a5ad2d8..774846f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -208,6 +208,9 @@ extern void mmc_prepare_mrq(struct mmc_card *card,
unsigned dev_addr, unsigned blocks, unsigned blksz, int write);
extern int mmc_wait_busy(struct mmc_card *card);
extern int mmc_check_result(struct mmc_request *mrq);
+extern int mmc_simple_transfer(struct mmc_card *test,
+ struct scatterlist *sg, unsigned sg_len, unsigned dev_addr,
+ unsigned blocks, unsigned blksz, int write);
/**
* mmc_claim_host - exclusively claim a host
--
2.1.4
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