linux-kernel - [PATCH v3 4/5] uio: uio_pdrv_genirq: Add st,stm32f100 to dt compatible list

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Message-Id: <20171009224655.6173-5-chris.packham@alliedtelesis.co.nz>
Date:   Tue, 10 Oct 2017 11:46:54 +1300
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     robh+dt@...nel.org, mark.rutland@....com,
        gregkh@...uxfoundation.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v3 4/5] uio: uio_pdrv_genirq: Add st,stm32f100 to dt compatible list

The stm32f100 is a general purpose micro controller. Allow users to
interact with one as a uio device.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---
Changes in v3:
- (replaces "uio: add default compatible string to uio_pdrv_genirq")
- remove superfluous change suggested by checkpatch.pl
- As suggested by Rob, add specific dt bindings for the hardware I'm
  supporting. uio_pdrv_genirq is one potential implementor of a compatible
  driver.

 drivers/uio/uio_pdrv_genirq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index f598ecddc8a7..532de98034c2 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -253,11 +253,12 @@ static const struct dev_pm_ops uio_pdrv_genirq_dev_pm_ops = {
 
 #ifdef CONFIG_OF
 static struct of_device_id uio_of_genirq_match[] = {
+	{ .compatible = "st,stm32f100" },
 	{ /* This is filled with module_parm */ },
 	{ /* Sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, uio_of_genirq_match);
-module_param_string(of_id, uio_of_genirq_match[0].compatible, 128, 0);
+module_param_string(of_id, uio_of_genirq_match[1].compatible, 128, 0);
 MODULE_PARM_DESC(of_id, "Openfirmware id of the device to be handled by uio");
 #endif
 
-- 
2.14.2