diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
| commit | 0f69403d2535ffc7200a8414cf3ca66a49b0d741 (patch) | |
| tree | 3ce85dd08359ea872aa8fb9bd12072efdb80a787 /drivers/tty/serial/imx.c | |
| parent | 580fbdc5136822208f107500682e50a1cb232e94 (diff) | |
| parent | 0a19b068acc47d05212f03e494381926dc0381e2 (diff) | |
| download | linux-0f69403d2535ffc7200a8414cf3ca66a49b0d741.tar.xz | |
Merge drm/drm-next into drm-intel-next-queued
Catch up with upstream, in particular to get c1e8d7c6a7a6 ("mmap locking
API: convert mmap_sem comments").
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index f4d68109bc8b..1265e8d86d8a 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -909,6 +909,8 @@ static irqreturn_t imx_uart_int(int irq, void *dev_id) usr2 &= ~USR2_ORE; if (usr1 & (USR1_RRDY | USR1_AGTIM)) { + imx_uart_writel(sport, USR1_AGTIM, USR1); + __imx_uart_rxint(irq, dev_id); ret = IRQ_HANDLED; } @@ -2252,6 +2254,8 @@ static int imx_uart_probe(struct platform_device *pdev) return PTR_ERR(base); rxirq = platform_get_irq(pdev, 0); + if (rxirq < 0) + return rxirq; txirq = platform_get_irq_optional(pdev, 1); rtsirq = platform_get_irq_optional(pdev, 2); @@ -2302,7 +2306,11 @@ static int imx_uart_probe(struct platform_device *pdev) sport->ucr4 = readl(sport->port.membase + UCR4); sport->ufcr = readl(sport->port.membase + UFCR); - uart_get_rs485_mode(&pdev->dev, &sport->port.rs485); + ret = uart_get_rs485_mode(&sport->port); + if (ret) { + clk_disable_unprepare(sport->clk_ipg); + return ret; + } if (sport->port.rs485.flags & SER_RS485_ENABLED && (!sport->have_rtscts && !sport->have_rtsgpio)) @@ -2398,6 +2406,9 @@ static int imx_uart_probe(struct platform_device *pdev) } } + /* We need to initialize lock even for non-registered console */ + spin_lock_init(&sport->port.lock); + imx_uart_ports[sport->port.line] = sport; platform_set_drvdata(pdev, sport); |