diff options
| author | Aisheng.Dong <b29396@freescale.com> | 2010-09-14 14:23:01 +0800 |
|---|---|---|
| committer | Alan Tull <r80115@freescale.com> | 2010-09-25 09:53:44 -0500 |
| commit | 0bef5378d18f3ce2d8028151d8fb683beee4ad00 (patch) | |
| tree | 1f224ad53f00804ca49abc33da45b49a55db8fce /drivers/spi | |
| parent | 474d5ad35967fc05e60463c13882eb5e34c323a0 (diff) | |
ENGR00131466-8 mxs spi: calculate the actual_length transferred.
If we do not do actual_length calculation, the upper layer of spi
may fail when performing data sanity check such as m25p80 spi nor.
Signed-off-by: Aisheng.Dong <b29396@freescale.com>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi_mxs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/spi/spi_mxs.c b/drivers/spi/spi_mxs.c index 149d24a9b833..a6ca0619e82e 100644 --- a/drivers/spi/spi_mxs.c +++ b/drivers/spi/spi_mxs.c @@ -426,6 +426,7 @@ static int mxs_spi_handle_message(struct mxs_spi *ss, struct spi_message *m) } } + m->actual_length += t->len; if (status) break; @@ -480,6 +481,7 @@ static int mxs_spi_transfer(struct spi_device *spi, struct spi_message *m) struct mxs_spi *ss = spi_master_get_devdata(spi->master); unsigned long flags; + m->actual_length = 0; m->status = -EINPROGRESS; spin_lock_irqsave(&ss->lock, flags); list_add_tail(&m->queue, &ss->queue); |