PCI: pci.c: convert to use BUS_ATTR_RW

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

Cc: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/pci/pci.c

@@ -6034,19 +6034,18 @@ static ssize_t pci_get_resource_alignment_param(char *buf, size_t size)
 	return count;
 }
 
-static ssize_t pci_resource_alignment_show(struct bus_type *bus, char *buf)
+static ssize_t resource_alignment_show(struct bus_type *bus, char *buf)
 {
 	return pci_get_resource_alignment_param(buf, PAGE_SIZE);
 }
 
-static ssize_t pci_resource_alignment_store(struct bus_type *bus,
+static ssize_t resource_alignment_store(struct bus_type *bus,
 					const char *buf, size_t count)
 {
 	return pci_set_resource_alignment_param(buf, count);
 }
 
-static BUS_ATTR(resource_alignment, 0644, pci_resource_alignment_show,
-					pci_resource_alignment_store);
+static BUS_ATTR_RW(resource_alignment);
 
 static int __init pci_resource_alignment_sysfs_init(void)
 {