diff mbox

[1/2] i2c-mux-gpio: use deferred probing

Message ID 525526F5.5030107@nsn.com
State Accepted
Headers show

Commit Message

Ionut Nicu Oct. 9, 2013, 9:50 a.m. UTC
If the i2c-parent bus driver is not loaded, returning
-ENODEV will force people to unload and then reload the
module again to get it working.

Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>
---
 drivers/i2c/muxes/i2c-mux-gpio.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Comments

Peter Korsgaard Oct. 9, 2013, 10:14 a.m. UTC | #1
>>>>> "IN" == Ionut Nicu <ioan.nicu.ext@nsn.com> writes:

IN> If the i2c-parent bus driver is not loaded, returning
IN> -ENODEV will force people to unload and then reload the
IN> module again to get it working.

IN> Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>

Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>

--
Sorry about disclaimer - It's out of my control.
Bye, Peter Korsgaard
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diff mbox

Patch

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 5d4a99b..ff184eb 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -79,7 +79,7 @@  static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
 	adapter = of_find_i2c_adapter_by_node(adapter_np);
 	if (!adapter) {
 		dev_err(&pdev->dev, "Cannot find parent bus\n");
-		return -ENODEV;
+		return -EPROBE_DEFER;
 	}
 	mux->data.parent = i2c_adapter_id(adapter);
 	put_device(&adapter->dev);
@@ -177,7 +177,7 @@  static int i2c_mux_gpio_probe(struct platform_device *pdev)
 	if (!parent) {
 		dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
 			mux->data.parent);
-		return -ENODEV;
+		return -EPROBE_DEFER;
 	}
 
 	mux->parent = parent;