To allow subsequent changes to re-use the code from the static function
mmc_blk_in_tran_state(), let's move it to a public header. While at it,
let's also rename it to mmc_ready_for_data(), as to try to better describe
its purpose.
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
drivers/mmc/core/block.c | 24 ++++--------------------
include/linux/mmc/mmc.h | 10 ++++++++++
2 files changed, 14 insertions(+), 20 deletions(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 663d87924e5e..8ac12e3fff27 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -436,16 +436,6 @@ static int ioctl_do_sanitize(struct mmc_card *card)
return err;
}
-static inline bool mmc_blk_in_tran_state(u32 status)
-{
- /*
- * Some cards mishandle the status bits, so make sure to check both the
- * busy indication and the card state.
- */
- return status & R1_READY_FOR_DATA &&
- (R1_CURRENT_STATE(status) == R1_STATE_TRAN);
-}
-
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
u32 *resp_errs)
{
@@ -477,13 +467,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
__func__, status);
return -ETIMEDOUT;
}
-
- /*
- * Some cards mishandle the status bits,
- * so make sure to check both the busy
- * indication and the card state.
- */
- } while (!mmc_blk_in_tran_state(status));
+ } while (!mmc_ready_for_data(status));
return err;
}
@@ -1666,7 +1650,7 @@ static void mmc_blk_read_single(struct mmc_queue *mq, struct request *req)
goto error_exit;
if (!mmc_host_is_spi(host) &&
- !mmc_blk_in_tran_state(status)) {
+ !mmc_ready_for_data(status)) {
err = mmc_blk_fix_state(card, req);
if (err)
goto error_exit;
@@ -1726,7 +1710,7 @@ static bool mmc_blk_status_error(struct request *req, u32 status)
return brq->cmd.resp[0] & CMD_ERRORS ||
brq->stop.resp[0] & stop_err_bits ||
status & stop_err_bits ||
- (rq_data_dir(req) == WRITE && !mmc_blk_in_tran_state(status));
+ (rq_data_dir(req) == WRITE && !mmc_ready_for_data(status));
}
static inline bool mmc_blk_cmd_started(struct mmc_blk_request *brq)
@@ -1788,7 +1772,7 @@ static void mmc_blk_mq_rw_recovery(struct mmc_queue *mq, struct request *req)
/* Try to get back to "tran" state */
if (!mmc_host_is_spi(mq->card->host) &&
- (err || !mmc_blk_in_tran_state(status)))
+ (err || !mmc_ready_for_data(status)))
err = mmc_blk_fix_state(mq->card, req);
/*
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 897a87c4c827..4b85ef05a906 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -161,6 +161,16 @@ static inline bool mmc_op_multi(u32 opcode)
#define R1_STATE_PRG 7
#define R1_STATE_DIS 8
+static inline bool mmc_ready_for_data(u32 status)
+{
+ /*
+ * Some cards mishandle the status bits, so make sure to check both the
+ * busy indication and the card state.
+ */
+ return status & R1_READY_FOR_DATA &&
+ R1_CURRENT_STATE(status) == R1_STATE_TRAN;
+}
+
/*
* MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
* R1 is the low order byte; R2 is the next highest byte, when present.
--
2.17.1
