From: Ionut Nicu <ioan.nicu.ext-OYasijW0DpE@public.gmane.org>
To: Peter Korsgaard
<peter.korsgaard-ob4gmnvZ1/cAvxtiuMwx3w@public.gmane.org>
Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
Alexander Sverdlin
<alexander.sverdlin-OYasijW0DpE@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 2/2] i2c-mux-gpio: don't ignore of_get_named_gpio errors
Date: Tue, 08 Oct 2013 15:51:53 +0200 [thread overview]
Message-ID: <52540DF9.3050802@nsn.com> (raw)
of_get_named_gpio could return -E_PROBE_DEFER or another
error code. This error should be passed further instead
of being ignored.
Signed-off-by: Ionut Nicu <ioan.nicu.ext-OYasijW0DpE@public.gmane.org>
---
drivers/i2c/muxes/i2c-mux-gpio.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index eb99f04..6370b47 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
struct device_node *adapter_np, *child;
struct i2c_adapter *adapter;
unsigned *values, *gpios;
- int i = 0;
+ int i = 0, ret;
if (!np)
return -ENODEV;
@@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
return -ENOMEM;
}
- for (i = 0; i < mux->data.n_gpios; i++)
- gpios[i] = of_get_named_gpio(np, "mux-gpios", i);
+ for (i = 0; i < mux->data.n_gpios; i++) {
+ ret = of_get_named_gpio(np, "mux-gpios", i);
+ if (ret < 0)
+ return ret;
+ gpios[i] = ret;
+ }
mux->data.gpios = gpios;
--
1.7.1
WARNING: multiple messages have this Message-ID (diff)
From: Ionut Nicu <ioan.nicu.ext@nsn.com>
To: Peter Korsgaard <peter.korsgaard@barco.com>
Cc: Wolfram Sang <wsa@the-dreams.de>,
Alexander Sverdlin <alexander.sverdlin@nsn.com>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] i2c-mux-gpio: don't ignore of_get_named_gpio errors
Date: Tue, 08 Oct 2013 15:51:53 +0200 [thread overview]
Message-ID: <52540DF9.3050802@nsn.com> (raw)
of_get_named_gpio could return -E_PROBE_DEFER or another
error code. This error should be passed further instead
of being ignored.
Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>
---
drivers/i2c/muxes/i2c-mux-gpio.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index eb99f04..6370b47 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
struct device_node *adapter_np, *child;
struct i2c_adapter *adapter;
unsigned *values, *gpios;
- int i = 0;
+ int i = 0, ret;
if (!np)
return -ENODEV;
@@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
return -ENOMEM;
}
- for (i = 0; i < mux->data.n_gpios; i++)
- gpios[i] = of_get_named_gpio(np, "mux-gpios", i);
+ for (i = 0; i < mux->data.n_gpios; i++) {
+ ret = of_get_named_gpio(np, "mux-gpios", i);
+ if (ret < 0)
+ return ret;
+ gpios[i] = ret;
+ }
mux->data.gpios = gpios;
--
1.7.1
next reply other threads:[~2013-10-08 13:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 13:51 Ionut Nicu [this message]
2013-10-08 13:51 ` [PATCH 2/2] i2c-mux-gpio: don't ignore of_get_named_gpio errors Ionut Nicu
[not found] ` <52540DF9.3050802-OYasijW0DpE@public.gmane.org>
2013-10-08 14:46 ` Peter Korsgaard
2013-10-08 14:46 ` Peter Korsgaard
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