The patch titled
usb_serial: pl2303: implement sysrq handling on break
has been added to the -mm tree. Its filename is
pl2303-usb_serial-implement-sysrq-handling-on-break.patch
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Subject: usb_serial: pl2303: implement sysrq handling on break
From: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
Add callbacks to process the sysrq when using a pl2303 usb device as a
console.
Signed-off-by: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/pl2303.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN drivers/usb/serial/pl2303.c~pl2303-usb_serial-implement-sysrq-handling-on-break drivers/usb/serial/pl2303.c
--- a/drivers/usb/serial/pl2303.c~pl2303-usb_serial-implement-sysrq-handling-on-break
+++ a/drivers/usb/serial/pl2303.c
@@ -927,6 +927,8 @@ static void pl2303_update_line_status(st
spin_lock_irqsave(&priv->lock, flags);
priv->line_status = data[status_idx];
spin_unlock_irqrestore(&priv->lock, flags);
+ if (priv->line_status & UART_BREAK_ERROR)
+ usb_serial_handle_break(port);
wake_up_interruptible(&priv->delta_msr_wait);
}
@@ -1037,7 +1039,8 @@ static void pl2303_read_bulk_callback(st
if (line_status & UART_OVERRUN_ERROR)
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
for (i = 0; i < urb->actual_length; ++i)
- tty_insert_flip_char(tty, data[i], tty_flag);
+ if (!usb_serial_handle_sysrq_char(port, data[i]))
+ tty_insert_flip_char(tty, data[i], tty_flag);
tty_flip_buffer_push(tty);
}
tty_kref_put(tty);
_
Patches currently in -mm which might be from jason.wessel@xxxxxxxxxxxxx are
linux-next.patch
pl2303-usb_serial-implement-sysrq-handling-on-break.patch
usb_serial-only-allow-sysrq-on-a-console-port.patch
frv-duplicate-output_buffer-of-e03.patch
kgdb-kgdboc-console-poll-hooks-for-serial_txx9-uart.patch
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