From: Fabien Dessenne <fabien.dessenne@st.com>
To: Ohad Ben-Cohen <ohad@wizery.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
<linux-remoteproc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: Fabien Dessenne <fabien.dessenne@st.com>,
Benjamin Gaignard <benjamin.gaignard@st.com>
Subject: [PATCH v2] hwspinlock: ignore disabled device
Date: Fri, 8 Mar 2019 17:53:46 +0100 [thread overview]
Message-ID: <1552064026-11415-1-git-send-email-fabien.dessenne@st.com> (raw)
Do not wait for hwspinlock device registration if it is not available
for use.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
---
V2: use 'goto out' instead of 'return'
drivers/hwspinlock/hwspinlock_core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index 2bad40d..d806307 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -333,6 +333,11 @@ int of_hwspin_lock_get_id(struct device_node *np, int index)
if (ret)
return ret;
+ if (!of_device_is_available(args.np)) {
+ ret = -ENOENT;
+ goto out;
+ }
+
/* Find the hwspinlock device: we need its base_id */
ret = -EPROBE_DEFER;
rcu_read_lock();
--
2.7.4
next reply other threads:[~2019-03-08 16:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 16:53 Fabien Dessenne [this message]
2019-05-13 9:08 ` Fabien DESSENNE
2019-05-31 14:02 ` Suman Anna
2019-06-29 19:05 ` Bjorn Andersson
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