linux-kernel - [PATCH v3 1/8] usb: ulpi: move setting of ulpi->dev parent up in ulpi

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Date:	Tue, 16 Aug 2016 19:04:46 +0300
From:	Tal Shorer <tal.shorer@...il.com>
To:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	heikki.krogerus@...ux.intel.com
Cc:	linux-kernel@...r.kernel.org, balbi@...nel.org,
	Tal Shorer <tal.shorer@...il.com>
Subject: [PATCH v3 1/8] usb: ulpi: move setting of ulpi->dev parent up in ulpi_register()

Once ulpi operations use the parent device directly, this will be
needed during the operations used in ulpi_register() itself, so set
the parent field before calling any ulpi operations.

Signed-off-by: Tal Shorer <tal.shorer@...il.com>
---
 drivers/usb/common/ulpi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index e04a34e..c6ce92b 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -157,6 +157,8 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi)
 {
 	int ret;
 
+	ulpi->dev.parent = dev; /* needed early for ops */
+
 	/* Test the interface */
 	ret = ulpi_write(ulpi, ULPI_SCRATCH, 0xaa);
 	if (ret < 0)
@@ -175,7 +177,6 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi)
 	ulpi->id.product = ulpi_read(ulpi, ULPI_PRODUCT_ID_LOW);
 	ulpi->id.product |= ulpi_read(ulpi, ULPI_PRODUCT_ID_HIGH) << 8;
 
-	ulpi->dev.parent = dev;
 	ulpi->dev.bus = &ulpi_bus;
 	ulpi->dev.type = &ulpi_dev_type;
 	dev_set_name(&ulpi->dev, "%s.ulpi", dev_name(dev));
-- 
2.7.4