From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 17.mo3.mail-out.ovh.net ([87.98.178.58] helo=mo3.mail-out.ovh.net) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vj722-00063B-1Z for barebox@lists.infradead.org; Wed, 20 Nov 2013 12:37:22 +0000 Received: from mail438.ha.ovh.net (b6.ovh.net [213.186.33.56]) by mo3.mail-out.ovh.net (Postfix) with SMTP id 651E4FFA111 for ; Wed, 20 Nov 2013 13:36:55 +0100 (CET) From: Jean-Christophe PLAGNIOL-VILLARD Date: Wed, 20 Nov 2013 13:39:11 +0100 Message-Id: <1384951152-2902-1-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <20131120122603.GD7965@ns203013.ovh.net> References: <20131120122603.GD7965@ns203013.ovh.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/2] console: add is_ready callbback support To: barebox@lists.infradead.org Some console such as net console need some parameter to work (IP & Port). So we can not enable them if not present. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- common/console.c | 3 +++ include/console.h | 1 + 2 files changed, 4 insertions(+) diff --git a/common/console.c b/common/console.c index 56bc864..32c5d38 100644 --- a/common/console.c +++ b/common/console.c @@ -62,6 +62,9 @@ static int console_std_set(struct device_d *dev, struct param_d *param, char active[4]; unsigned int flag = 0, i = 0; + if (cdev->is_ready && !cdev->is_ready(cdev)) + return -EIO; + if (val) { if (strchr(val, 'i') && cdev->getc) { active[i++] = 'i'; diff --git a/include/console.h b/include/console.h index 550b440..b4caf55 100644 --- a/include/console.h +++ b/include/console.h @@ -37,6 +37,7 @@ struct console_device { struct device_d *dev; struct device_d class_dev; + int (*is_ready)(struct console_device *cdev); int (*tstc)(struct console_device *cdev); void (*putc)(struct console_device *cdev, char c); int (*getc)(struct console_device *cdev); -- 1.8.4.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox