Subject: [PATCH v5 5/5] tty/serial: Add Spreadtrum sc9836-uart driver support

From: [email-masked] (Baruch Siach)
Date: Fri, 16 Jan 2015 13:02:09 +0200

Hi Chunyan Zhang,

On Fri, Jan 16, 2015 at 06:00:11PM +0800, Chunyan Zhang wrote:
> +		if (uart_handle_sysrq_char(port, ch))
> +			continue;

You don't define SUPPORT_SYSRQ, so uart_handle_sysrq_char has no effect. See 
include/linux/serial_core.h.

baruch

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