pseries: ibmebus.c: convert to use BUS_ATTR_WO

This change “pseries: ibmebus.c: convert to use BUS_ATTR_WO” in Linux kernel is authored by Greg Kroah-Hartman <gregkh [at] linuxfoundation.org> on Fri Dec 21 08:54:36 2018 +0100.

pseries: ibmebus.c: convert to use BUS_ATTR_WO

We are trying to get rid of BUS_ATTR() and the usage of that in
ibmebus.c can be trivially converted to use BUS_ATTR_WO(), so use that
instead.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This Linux change may have been applied to various maintained Linux releases and you can find Linux releases including commit c1507ea.

There are 10 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 arch/powerpc/platforms/pseries/ibmebus.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c
index 5b4a561..84e8ec4 100644
--- a/arch/powerpc/platforms/pseries/ibmebus.c
+++ b/arch/powerpc/platforms/pseries/ibmebus.c
@@ -261,8 +261,7 @@ static char *ibmebus_chomp(const char *in, size_t count)
 	return out;
 }
 
-static ssize_t ibmebus_store_probe(struct bus_type *bus,
-				   const char *buf, size_t count)
+static ssize_t probe_store(struct bus_type *bus, const char *buf, size_t count)
 {
 	struct device_node *dn = NULL;
 	struct device *dev;
@@ -298,10 +297,9 @@ static ssize_t ibmebus_store_probe(struct bus_type *bus,
 		return rc;
 	return count;
 }
-static BUS_ATTR(probe, 0200, NULL, ibmebus_store_probe);
+static BUS_ATTR_WO(probe);
 
-static ssize_t ibmebus_store_remove(struct bus_type *bus,
-				    const char *buf, size_t count)
+static ssize_t remove_store(struct bus_type *bus, const char *buf, size_t count)
 {
 	struct device *dev;
 	char *path;
@@ -325,7 +323,7 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus,
 		return -ENODEV;
 	}
 }
-static BUS_ATTR(remove, 0200, NULL, ibmebus_store_remove);
+static BUS_ATTR_WO(remove);
 
 static struct attribute *ibmbus_bus_attrs[] = {
 	&bus_attr_probe.attr,

The commit for this change in Linux stable tree is c1507ea (patch).

Leave a Reply

Your email address will not be published. Required fields are marked *