From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] spi: pxa2xx: Rewrite switch code block in interrupt_transfer
Date: Wed, 3 Oct 2018 17:55:22 +0200 [thread overview]
Message-ID: <20181003155522.GA31045@embeddedor.com> (raw)
Rewrite switch code block to directly do the expected number
of shifts in each case and have break statements.
Addresses-Coverity-ID: 1056539 ("Missing break in switch")
Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/spi/spi-pxa2xx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index fc9aac2..d68f511 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -665,9 +665,11 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
bytes_left = drv_data->rx_end - drv_data->rx;
switch (drv_data->n_bytes) {
case 4:
- bytes_left >>= 1;
+ bytes_left >>= 2;
+ break;
case 2:
bytes_left >>= 1;
+ break;
}
rx_thre = pxa2xx_spi_get_rx_default_thre(drv_data);
--
2.7.4
next reply other threads:[~2018-10-03 15:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-03 15:55 Gustavo A. R. Silva [this message]
2018-10-04 14:51 ` Applied "spi: pxa2xx: Rewrite switch code block in interrupt_transfer" to the spi tree Mark Brown
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