[PATCH] driver: rtc: tps65910: Add parameter check

Path	csiph.com!news.redatomik.org!aioe.org!bofh.it!news.nic.it!robomod
From	Daniel Schultz <d.schultz@phytec.de>
Newsgroups	linux.kernel
Subject	[PATCH] driver: rtc: tps65910: Add parameter check
Date	Wed, 15 Mar 2017 12:00:02 +0100
Message-ID	<tleOS-6tc-19@gated-at.bofh.it> (permalink)
X-Mailer	git-send-email 1.9.1
X-Mimetrack	Itemize by SMTP Server on Idefix/Phytec(Release 9.0.1FP7\|August 17, 2016) at 15.03.2017 11:52:32, Serialize by Router on Idefix/Phytec(Release 9.0.1FP7\|August 17, 2016) at 15.03.2017 11:52:32, Serialize complete at 15.03.2017 11:52:32
X-Tnefevaluated	1
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	30
Organization	linux.* mail to news gateway
X-Original-Date	Wed, 15 Mar 2017 11:52:32 +0100
X-Original-Message-ID	<1489575152-29931-1-git-send-email-d.schultz@phytec.de>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1601271

Show key headers only | View raw

If the tps65910 driver has no interrupt, the probe of tps65910-rtc will
fail.

This patch adds a check in the probe of the rtc if an interrupt exist.
The check is similar to the check in the function which creates the
interrupt.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---
 drivers/rtc/rtc-tps65910.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index d0244d7..8c5ca11 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -375,6 +375,11 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
 
 	tps65910 = dev_get_drvdata(pdev->dev.parent);
 
+	if (!tps65910->chip_irq) {
+		dev_warn(&pdev->dev, "No interrupt support, not created\n");
+		return -EINVAL;
+	}
+
 	tps_rtc = devm_kzalloc(&pdev->dev, sizeof(struct tps65910_rtc),
 			GFP_KERNEL);
 	if (!tps_rtc)
-- 
1.9.1

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH]  driver: rtc: tps65910: Add parameter check Daniel Schultz <d.schultz@phytec.de> - 2017-03-15 12:00 +0100

csiph-web