From: Geliang Tang <geliangtang@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>
Cc: Geliang Tang <geliangtang@gmail.com>,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] serial: pch_uart: use offset_in_page() macro
Date: Sat, 22 Apr 2017 09:21:11 +0800 [thread overview]
Message-ID: <dd629376828f23645aff2d8ba663ed1340ec33e9.1492759587.git.geliangtang@gmail.com> (raw)
In-Reply-To: <4dbc77ccaaed98b183cf4dba58a4fa325fd65048.1492758503.git.geliangtang@gmail.com>
Use offset_in_page() macro instead of open-coding.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
drivers/tty/serial/pch_uart.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 42caccb..d3796dc 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -878,8 +878,7 @@ static int dma_handle_rx(struct eg20t_port *priv)
sg_dma_len(sg) = priv->trigger_level;
sg_set_page(&priv->sg_rx, virt_to_page(priv->rx_buf_virt),
- sg_dma_len(sg), (unsigned long)priv->rx_buf_virt &
- ~PAGE_MASK);
+ sg_dma_len(sg), offset_in_page(priv->rx_buf_virt));
sg_dma_address(sg) = priv->rx_buf_dma;
--
2.9.3
next prev parent reply other threads:[~2017-04-22 1:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-22 1:21 [PATCH] fs/ocfs2/cluster: " Geliang Tang
2017-04-22 1:21 ` [PATCH] gdth: " Geliang Tang
2017-04-22 1:21 ` [PATCH] net: atheros: atl1: " Geliang Tang
2017-04-24 17:58 ` David Miller
2017-04-22 1:21 ` Geliang Tang [this message]
2017-04-22 1:21 ` [PATCH] tty/serial: atmel: " Geliang Tang
2017-04-24 7:12 ` Richard Genoud
2017-04-29 1:39 ` [PATCH v2] " Geliang Tang
2017-05-02 8:47 ` Richard Genoud
2017-04-22 1:21 ` [PATCH] xen/scsifront: " Geliang Tang
2017-04-24 5:05 ` Juergen Gross
2017-04-24 22:15 ` Martin K. Petersen
2017-04-25 5:07 ` Juergen Gross
2017-04-25 6:58 ` Juergen Gross
2017-04-22 1:21 ` [PATCH] xprtrdma: " Geliang Tang
2017-04-22 3:37 ` Chuck Lever
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