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spi: txx9: Let spi core handle validating transfer length 

spi core will handle validating transfer length since commit 4d94bd21b3
"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>
hifive-unleashed-5.1
Axel Lin 2014-02-25 19:19:43 +08:00 committed by Mark Brown
parent 7bdadd8d94
commit f8c717a567
1 changed files with 0 additions and 4 deletions
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drivers/spi/spi-txx9.c
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@ -306,12 +306,8 @@ static int txx9spi_transfer(struct spi_device *spi, struct spi_message *m)
/* check each transfer's parameters */
list_for_each_entry(t, &m->transfers, transfer_list) {
u8 bits_per_word = t->bits_per_word;
if (!t->tx_buf && !t->rx_buf && t->len)
return -EINVAL;
if (t->len & ((bits_per_word >> 3) - 1))
return -EINVAL;
}
spin_lock_irqsave(&c->lock, flags);