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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-27 21:12:39 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-27 21:12:39 +0300 |
commit | 92311e46ecf2298d87f175c8449ab4d8c400a38e (patch) | |
tree | 92bfbbc23c3acfb035a88bf257849465b26aa156 /drivers/tty/serial/imx.c | |
parent | d684779335856d8177514b42a801d46088d897b0 (diff) | |
parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff) | |
download | linux-92311e46ecf2298d87f175c8449ab4d8c400a38e.tar.xz |
Merge 4.2-rc4 into tty-next
Other serial driver work wants to build on patches now in 4.2-rc4 so
merge the branch so this can properly happen.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/imx.c')
-rw-r--r-- | drivers/tty/serial/imx.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 83b02d494723..e705149ba477 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1139,11 +1139,6 @@ static int imx_startup(struct uart_port *port) writel(temp & ~UCR4_DREN, sport->port.membase + UCR4); - /* Can we enable the DMA support? */ - if (is_imx6q_uart(sport) && !uart_console(port) && - !sport->dma_is_inited) - imx_uart_dma_init(sport); - spin_lock_irqsave(&sport->port.lock, flags); /* Reset fifo's and state machines */ imx_reset(sport); @@ -1154,9 +1149,6 @@ static int imx_startup(struct uart_port *port) writel(USR1_RTSD, sport->port.membase + USR1); writel(USR2_ORE, sport->port.membase + USR2); - if (sport->dma_is_inited && !sport->dma_is_enabled) - imx_enable_dma(sport); - temp = readl(sport->port.membase + UCR1); temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN; @@ -1327,6 +1319,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, } else { ucr2 |= UCR2_CTSC; } + + /* Can we enable the DMA support? */ + if (is_imx6q_uart(sport) && !uart_console(port) + && !sport->dma_is_inited) + imx_uart_dma_init(sport); } else { termios->c_cflag &= ~CRTSCTS; } @@ -1443,6 +1440,8 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, if (UART_ENABLE_MS(&sport->port, termios->c_cflag)) imx_enable_ms(&sport->port); + if (sport->dma_is_inited && !sport->dma_is_enabled) + imx_enable_dma(sport); spin_unlock_irqrestore(&sport->port.lock, flags); } |