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path: root/drivers/serial/cpm_uart/cpm_uart_core.c
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Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart_core.c')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 43f58dc69fc..abe129cc927 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -491,6 +491,11 @@ static void cpm_uart_set_termios(struct uart_port *port,
}
/*
+ * Update the timeout
+ */
+ uart_update_timeout(port, termios->c_cflag, baud);
+
+ /*
* Set up parity check flag
*/
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
@@ -938,6 +943,7 @@ static int cpm_uart_init_port(struct device_node *np,
pinfo->port.type = PORT_CPM;
pinfo->port.ops = &cpm_uart_pops,
pinfo->port.iotype = UPIO_MEM;
+ pinfo->port.fifosize = pinfo->tx_nrfifos * pinfo->tx_fifosize;
spin_lock_init(&pinfo->port.lock);
pinfo->port.irq = of_irq_to_resource(np, 0, NULL);
@@ -969,6 +975,14 @@ static void cpm_uart_console_write(struct console *co, const char *s,
unsigned int i;
cbd_t __iomem *bdp, *bdbase;
unsigned char *cp;
+ unsigned long flags;
+ int nolock = oops_in_progress;
+
+ if (unlikely(nolock)) {
+ local_irq_save(flags);
+ } else {
+ spin_lock_irqsave(&pinfo->port.lock, flags);
+ }
/* Get the address of the host memory buffer.
*/
@@ -1030,6 +1044,12 @@ static void cpm_uart_console_write(struct console *co, const char *s,
;
pinfo->tx_cur = bdp;
+
+ if (unlikely(nolock)) {
+ local_irq_restore(flags);
+ } else {
+ spin_unlock_irqrestore(&pinfo->port.lock, flags);
+ }
}