Re: [PATCH 10/16] powerpc: vio: use dev_groups and not dev_attrs for bus_type

The dev_attrs field has long been "depreciated" and is finally being
removed, so move the driver to use the "correct" dev_groups field
instead for struct bus_type.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <redacted>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Vineet Gupta <redacted>
Cc: Bart Van Assche <redacted>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Joerg Roedel <redacted>
Cc: Johan Hovold <johan@kernel.org>
Cc: Alexey Kardashevskiy <redacted>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/powerpc/platforms/pseries/vio.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index 28b09fd797ec..fd6595598662 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c

@@ -1537,6 +1537,7 @@ static ssize_t name_show(struct device *dev,
 {
 	return sprintf(buf, "%s\n", to_vio_dev(dev)->name);
 }
+static DEVICE_ATTR_RO(name);
 
 static ssize_t devspec_show(struct device *dev,
 		struct device_attribute *attr, char *buf)

@@ -1545,6 +1546,7 @@ static ssize_t devspec_show(struct device *dev,
 
 	return sprintf(buf, "%s\n", of_node_full_name(of_node));
 }
+static DEVICE_ATTR_RO(devspec);
 
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)

@@ -1566,6 +1568,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 
 	return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp);
 }
+static DEVICE_ATTR_RO(modalias);
 
 static struct device_attribute vio_dev_attrs[] = {
 	__ATTR_RO(name),

@@ -1573,6 +1576,13 @@ static struct device_attribute vio_dev_attrs[] = {
 	__ATTR_RO(modalias),
 	__ATTR_NULL
 };
+static struct attribute *vio_dev_attrs[] = {