From: Axel Lin <axel.lin@ingics.com>
Date: Tue, 25 Feb 2014 11:19:43 +0000 (+0800)
Subject: spi: txx9: Let spi core handle validating transfer length
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8c717a567158cdd703b39118eec20cfffdcf585;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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>
---

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)
 
 	/* 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);