Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751918AbaJERGk (ORCPT ); Sun, 5 Oct 2014 13:06:40 -0400 Received: from mailrelay004.isp.belgacom.be ([195.238.6.170]:45195 "EHLO mailrelay004.isp.belgacom.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751669AbaJERGg (ORCPT ); Sun, 5 Oct 2014 13:06:36 -0400 X-Belgacom-Dynamic: yes X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjsOAJF5MVRbsHoL/2dsb2JhbABegw6BK7d1AQEBAQEBBQFzmmcCfhcBe4QEAQUnLyMQUTkeGYhCAbBLjkcYhiCKJQeESwWGK5cTjFKJLoIggUU7L4JKAQEB From: Fabian Frederick To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Fabian Frederick , Jiri Slaby , linux-serial@vger.kernel.org Subject: [PATCH 04/13 linux-next] serial: mpsc: use container_of to resolve mpsc_port_info from uart_port Date: Sun, 5 Oct 2014 19:01:05 +0200 Message-Id: <1412528475-1449-5-git-send-email-fabf@skynet.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412528475-1449-1-git-send-email-fabf@skynet.be> References: <1412528475-1449-1-git-send-email-fabf@skynet.be> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use container_of instead of casting first structure member. Signed-off-by: Fabian Frederick --- drivers/tty/serial/mpsc.c | 39 ++++++++++++++++++++++++++------------- 1 file changed, 26 insertions(+), 13 deletions(-) diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index ae49856..5d5499b 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -1246,7 +1246,8 @@ static irqreturn_t mpsc_sdma_intr(int irq, void *dev_id) */ static uint mpsc_tx_empty(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); ulong iflags; uint rc; @@ -1264,7 +1265,8 @@ static void mpsc_set_mctrl(struct uart_port *port, uint mctrl) static uint mpsc_get_mctrl(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); u32 mflags, status; status = (pi->mirror_regs) ? pi->MPSC_CHR_10_m @@ -1281,7 +1283,8 @@ static uint mpsc_get_mctrl(struct uart_port *port) static void mpsc_stop_tx(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); pr_debug("mpsc_stop_tx[%d]\n", port->line); @@ -1290,7 +1293,8 @@ static void mpsc_stop_tx(struct uart_port *port) static void mpsc_start_tx(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); unsigned long iflags; spin_lock_irqsave(&pi->tx_lock, iflags); @@ -1316,7 +1320,8 @@ static void mpsc_start_rx(struct mpsc_port_info *pi) static void mpsc_stop_rx(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); pr_debug("mpsc_stop_rx[%d]: Stopping...\n", port->line); @@ -1338,7 +1343,8 @@ static void mpsc_stop_rx(struct uart_port *port) static void mpsc_break_ctl(struct uart_port *port, int ctl) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); ulong flags; u32 v; @@ -1353,7 +1359,8 @@ static void mpsc_break_ctl(struct uart_port *port, int ctl) static int mpsc_startup(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); u32 flag = 0; int rc; @@ -1383,7 +1390,8 @@ static int mpsc_startup(struct uart_port *port) static void mpsc_shutdown(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); pr_debug("mpsc_shutdown[%d]: Shutting down MPSC\n", port->line); @@ -1394,7 +1402,8 @@ static void mpsc_shutdown(struct uart_port *port) static void mpsc_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); u32 baud; ulong flags; u32 chr_bits, stop_bits, par; @@ -1498,7 +1507,8 @@ static int mpsc_request_port(struct uart_port *port) static void mpsc_release_port(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); if (pi->ready) { mpsc_uninit_rings(pi); @@ -1513,7 +1523,8 @@ static void mpsc_config_port(struct uart_port *port, int flags) static int mpsc_verify_port(struct uart_port *port, struct serial_struct *ser) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); int rc = 0; pr_debug("mpsc_verify_port[%d]: Verifying port data\n", pi->port.line); @@ -1548,7 +1559,8 @@ static void mpsc_put_poll_char(struct uart_port *port, static int mpsc_get_poll_char(struct uart_port *port) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); struct mpsc_rx_desc *rxre; u32 cmdstat, bytes_in, i; u8 *bp; @@ -1648,7 +1660,8 @@ static int mpsc_get_poll_char(struct uart_port *port) static void mpsc_put_poll_char(struct uart_port *port, unsigned char c) { - struct mpsc_port_info *pi = (struct mpsc_port_info *)port; + struct mpsc_port_info *pi = + container_of(port, struct mpsc_port_info, port); u32 data; data = readl(pi->mpsc_base + MPSC_MPCR); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/