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author | Takashi Iwai <tiwai@suse.de> | 2014-10-22 14:19:57 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2014-10-22 14:19:57 +0400 |
commit | 930352862e9533fecc42c7ed20798a7c9e3aa874 (patch) | |
tree | f234d6eb69c077f898e375aef30c9550dcf069d7 /drivers/tty/serial/clps711x.c | |
parent | b46882b6eb713245916100ac5b58664cd242a08d (diff) | |
parent | 7bbd03e0143b562ff7d96f7e71c016104020b550 (diff) | |
download | linux-930352862e9533fecc42c7ed20798a7c9e3aa874.tar.xz |
Merge branch 'topic/enum-info-cleanup' into for-next
this is a series of patches to just convert the plain info callback
for enum ctl elements to snd_ctl_elem_info(). Also, it includes the
extension of snd_ctl_elem_info(), for catching the unexpected string
cut-off and handling the zero items.
Diffstat (limited to 'drivers/tty/serial/clps711x.c')
-rw-r--r-- | drivers/tty/serial/clps711x.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index f5b4c3d7e38f..acfe31773643 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -33,6 +33,8 @@ #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/clps711x.h> +#include "serial_mctrl_gpio.h" + #define UART_CLPS711X_DEVNAME "ttyCL" #define UART_CLPS711X_NR 2 #define UART_CLPS711X_MAJOR 204 @@ -62,7 +64,7 @@ struct clps711x_port { unsigned int tx_enabled; int rx_irq; struct regmap *syscon; - bool use_ms; + struct mctrl_gpios *gpios; }; static struct uart_driver clps711x_uart = { @@ -198,28 +200,17 @@ static unsigned int uart_clps711x_tx_empty(struct uart_port *port) static unsigned int uart_clps711x_get_mctrl(struct uart_port *port) { + unsigned int result = TIOCM_DSR | TIOCM_CTS | TIOCM_CAR; struct clps711x_port *s = dev_get_drvdata(port->dev); - unsigned int result = 0; - - if (s->use_ms) { - u32 sysflg = 0; - - regmap_read(s->syscon, SYSFLG_OFFSET, &sysflg); - if (sysflg & SYSFLG1_DCD) - result |= TIOCM_CAR; - if (sysflg & SYSFLG1_DSR) - result |= TIOCM_DSR; - if (sysflg & SYSFLG1_CTS) - result |= TIOCM_CTS; - } else - result = TIOCM_DSR | TIOCM_CTS | TIOCM_CAR; - return result; + return mctrl_gpio_get(s->gpios, &result); } static void uart_clps711x_set_mctrl(struct uart_port *port, unsigned int mctrl) { - /* Do nothing */ + struct clps711x_port *s = dev_get_drvdata(port->dev); + + mctrl_gpio_set(s->gpios, mctrl); } static void uart_clps711x_break_ctl(struct uart_port *port, int break_state) @@ -490,15 +481,10 @@ static int uart_clps711x_probe(struct platform_device *pdev) s->syscon = syscon_regmap_lookup_by_pdevname(syscon_name); if (IS_ERR(s->syscon)) return PTR_ERR(s->syscon); - - s->use_ms = !index; } else { s->syscon = syscon_regmap_lookup_by_phandle(np, "syscon"); if (IS_ERR(s->syscon)) return PTR_ERR(s->syscon); - - if (!index) - s->use_ms = of_property_read_bool(np, "uart-use-ms"); } s->port.line = index; @@ -513,6 +499,8 @@ static int uart_clps711x_probe(struct platform_device *pdev) platform_set_drvdata(pdev, s); + s->gpios = mctrl_gpio_init(&pdev->dev, 0); + ret = uart_add_one_port(&clps711x_uart, &s->port); if (ret) return ret; |