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authorAxel Lin <axel.lin@ingics.com>2014-02-25 06:19:43 -0500
committerMark Brown <broonie@linaro.org>2014-02-28 23:50:56 -0500
commitf8c717a567158cdd703b39118eec20cfffdcf585 (patch)
tree6198cd0c1e636f27a86ebe5dc39a317de556cfc7 /drivers/spi
parent7bdadd8d94a203c0bf02c0f128148e8be3e7f66a (diff)
spi: txx9: Let spi core handle validating transfer length
spi core will handle validating transfer length since commit 4d94bd21b333 "spi: core: Validate length of the transfers in message". So remove the same checking in this driver. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-txx9.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 5cfaafc368fc..820b499816f8 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -306,12 +306,8 @@ static int txx9spi_transfer(struct spi_device *spi, struct spi_message *m)
306 306
307 /* check each transfer's parameters */ 307 /* check each transfer's parameters */
308 list_for_each_entry(t, &m->transfers, transfer_list) { 308 list_for_each_entry(t, &m->transfers, transfer_list) {
309 u8 bits_per_word = t->bits_per_word;
310
311 if (!t->tx_buf && !t->rx_buf && t->len) 309 if (!t->tx_buf && !t->rx_buf && t->len)
312 return -EINVAL; 310 return -EINVAL;
313 if (t->len & ((bits_per_word >> 3) - 1))
314 return -EINVAL;
315 } 311 }
316 312
317 spin_lock_irqsave(&c->lock, flags); 313 spin_lock_irqsave(&c->lock, flags);