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| author |   H. Peter Anvin <hpa@linux.intel.com> | 2012-01-19 12:56:50 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-01-19 12:56:50 -0800 |
| commit | 282f445a779ed76fca9884fe377bf56a3088b208 (patch) | |
| tree | d9abcf526baee0100672851e0a8894c19e762a39 /drivers/tty/serial/mxs-auart.c | |
| parent | x86, tsc: Fix SMI induced variation in quick_pit_calibrate() (diff) | |
| parent | uml: fix compile for x86-64 (diff) | |
| download | linux-dev-282f445a779ed76fca9884fe377bf56a3088b208.tar.xz linux-dev-282f445a779ed76fca9884fe377bf56a3088b208.zip | |
Merge remote-tracking branch 'linus/master' into x86/urgent
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 7e02c9c344fe..55fd362b9879 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -145,11 +145,12 @@ static inline void mxs_auart_tx_chars(struct mxs_auart_port *s) writel(xmit->buf[xmit->tail], s->port.membase + AUART_DATA); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(&s->port); } else break; } + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&s->port); + if (uart_circ_empty(&(s->port.state->xmit))) writel(AUART_INTR_TXIEN, s->port.membase + AUART_INTR_CLR); @@ -424,7 +425,7 @@ static int mxs_auart_startup(struct uart_port *u) { struct mxs_auart_port *s = to_auart_port(u); - clk_enable(s->clk); + clk_prepare_enable(s->clk); writel(AUART_CTRL0_CLKGATE, u->membase + AUART_CTRL0_CLR); @@ -453,7 +454,7 @@ static void mxs_auart_shutdown(struct uart_port *u) writel(AUART_INTR_RXIEN | AUART_INTR_RTIEN | AUART_INTR_CTSMIEN, u->membase + AUART_INTR_CLR); - clk_disable(s->clk); + clk_disable_unprepare(s->clk); } static unsigned int mxs_auart_tx_empty(struct uart_port *u) @@ -634,7 +635,7 @@ auart_console_setup(struct console *co, char *options) if (!s) return -ENODEV; - clk_enable(s->clk); + clk_prepare_enable(s->clk); if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); @@ -643,7 +644,7 @@ auart_console_setup(struct console *co, char *options) ret = uart_set_options(&s->port, co, baud, parity, bits, flow); - clk_disable(s->clk); + clk_disable_unprepare(s->clk); return ret; } |