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serial: cpm_uart: use container_of to resolve uart_cpm_port from uart_port

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Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabian Frederick 2014-10-05 19:01:06 +02:00 • committed by Greg Kroah-Hartman
parent 22d4d44c4c
commit e789d26887
1 changed files with 32 additions and 16 deletions
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48
drivers/tty/serial/cpm_uart/cpm_uart_core.c
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@ -80,7 +80,8 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo);
*/ */
static unsigned int cpm_uart_tx_empty(struct uart_port *port) static unsigned int cpm_uart_tx_empty(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
cbd_t __iomem *bdp = pinfo->tx_bd_base; cbd_t __iomem *bdp = pinfo->tx_bd_base;
int ret = 0; int ret = 0;
@ -102,7 +103,8 @@ static unsigned int cpm_uart_tx_empty(struct uart_port *port)
static void cpm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) static void cpm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
if (pinfo->gpios[GPIO_RTS] >= 0) if (pinfo->gpios[GPIO_RTS] >= 0)
gpio_set_value(pinfo->gpios[GPIO_RTS], !(mctrl & TIOCM_RTS)); gpio_set_value(pinfo->gpios[GPIO_RTS], !(mctrl & TIOCM_RTS));
@ -113,7 +115,8 @@ static void cpm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
static unsigned int cpm_uart_get_mctrl(struct uart_port *port) static unsigned int cpm_uart_get_mctrl(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
unsigned int mctrl = TIOCM_CTS | TIOCM_DSR | TIOCM_CAR; unsigned int mctrl = TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
if (pinfo->gpios[GPIO_CTS] >= 0) { if (pinfo->gpios[GPIO_CTS] >= 0) {
@ -144,7 +147,8 @@ static unsigned int cpm_uart_get_mctrl(struct uart_port *port)
*/ */
static void cpm_uart_stop_tx(struct uart_port *port) static void cpm_uart_stop_tx(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
smc_t __iomem *smcp = pinfo->smcp; smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp; scc_t __iomem *sccp = pinfo->sccp;
@ -161,7 +165,8 @@ static void cpm_uart_stop_tx(struct uart_port *port)
*/ */
static void cpm_uart_start_tx(struct uart_port *port) static void cpm_uart_start_tx(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
smc_t __iomem *smcp = pinfo->smcp; smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp; scc_t __iomem *sccp = pinfo->sccp;
@ -189,7 +194,8 @@ static void cpm_uart_start_tx(struct uart_port *port)
*/ */
static void cpm_uart_stop_rx(struct uart_port *port) static void cpm_uart_stop_rx(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
smc_t __iomem *smcp = pinfo->smcp; smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp; scc_t __iomem *sccp = pinfo->sccp;
@ -206,7 +212,8 @@ static void cpm_uart_stop_rx(struct uart_port *port)
*/ */
static void cpm_uart_break_ctl(struct uart_port *port, int break_state) static void cpm_uart_break_ctl(struct uart_port *port, int break_state)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
pr_debug("CPM uart[%d]:break ctrl, break_state: %d\n", port->line, pr_debug("CPM uart[%d]:break ctrl, break_state: %d\n", port->line,
break_state); break_state);
@ -240,7 +247,8 @@ static void cpm_uart_int_rx(struct uart_port *port)
unsigned char ch; unsigned char ch;
u8 *cp; u8 *cp;
struct tty_port *tport = &port->state->port; struct tty_port *tport = &port->state->port;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
cbd_t __iomem *bdp; cbd_t __iomem *bdp;
u16 status; u16 status;
unsigned int flg; unsigned int flg;
@ -397,7 +405,8 @@ static irqreturn_t cpm_uart_int(int irq, void *data)
static int cpm_uart_startup(struct uart_port *port) static int cpm_uart_startup(struct uart_port *port)
{ {
int retval; int retval;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
pr_debug("CPM uart[%d]:startup\n", port->line); pr_debug("CPM uart[%d]:startup\n", port->line);
@ -442,7 +451,8 @@ inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo)
*/ */
static void cpm_uart_shutdown(struct uart_port *port) static void cpm_uart_shutdown(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
pr_debug("CPM uart[%d]:shutdown\n", port->line); pr_debug("CPM uart[%d]:shutdown\n", port->line);
@ -492,7 +502,8 @@ static void cpm_uart_set_termios(struct uart_port *port,
unsigned long flags; unsigned long flags;
u16 cval, scval, prev_mode; u16 cval, scval, prev_mode;
int bits, sbits; int bits, sbits;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
smc_t __iomem *smcp = pinfo->smcp; smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp; scc_t __iomem *sccp = pinfo->sccp;
int maxidl; int maxidl;
@ -675,7 +686,8 @@ static int cpm_uart_tx_pump(struct uart_port *port)
cbd_t __iomem *bdp; cbd_t __iomem *bdp;
u8 *p; u8 *p;
int count; int count;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
struct circ_buf *xmit = &port->state->xmit; struct circ_buf *xmit = &port->state->xmit;
/* Handle xon/xoff */ /* Handle xon/xoff */
@ -906,7 +918,8 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
*/ */
static int cpm_uart_request_port(struct uart_port *port) static int cpm_uart_request_port(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
int ret; int ret;
pr_debug("CPM uart[%d]:request port\n", port->line); pr_debug("CPM uart[%d]:request port\n", port->line);
@ -938,7 +951,8 @@ static int cpm_uart_request_port(struct uart_port *port)
static void cpm_uart_release_port(struct uart_port *port) static void cpm_uart_release_port(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
if (!(pinfo->flags & FLAG_CONSOLE)) if (!(pinfo->flags & FLAG_CONSOLE))
cpm_uart_freebuf(pinfo); cpm_uart_freebuf(pinfo);
@ -1082,7 +1096,8 @@ static int poll_wait_key(char *obuf, struct uart_cpm_port *pinfo)
static int cpm_get_poll_char(struct uart_port *port) static int cpm_get_poll_char(struct uart_port *port)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
if (!serial_polled) { if (!serial_polled) {
serial_polled = 1; serial_polled = 1;
@ -1099,7 +1114,8 @@ static int cpm_get_poll_char(struct uart_port *port)
static void cpm_put_poll_char(struct uart_port *port, static void cpm_put_poll_char(struct uart_port *port,
unsigned char c) unsigned char c)
{ {
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; struct uart_cpm_port *pinfo =
container_of(port, struct uart_cpm_port, port);
static char ch[2]; static char ch[2];
ch[0] = (char)c; ch[0] = (char)c;