drivers:edac: Use DEVICE_ATTR helper macros

Instead of "open coding" DEVICE_ATTR, use the corresponding
helper macros DEVICE_ATTR_{RW,RO_WO}.

Some function names needed to be changed to match the device
conventions <foo>_show and <foo>_store, but the functionality
itself is unchanged.

Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>

drivers/edac/amd64_edac.c

@@ -567,12 +567,12 @@ static ssize_t reg##_show(struct device *dev,				\
 }
 
 EDAC_DCT_ATTR_SHOW(dhar);
-EDAC_DCT_ATTR_SHOW(dbam0);
-EDAC_DCT_ATTR_SHOW(top_mem);
-EDAC_DCT_ATTR_SHOW(top_mem2);
+EDAC_DCT_ATTR_SHOW(dbam);
+EDAC_DCT_ATTR_SHOW(topmem);
+EDAC_DCT_ATTR_SHOW(topmem2);
 
-static ssize_t hole_show(struct device *dev, struct device_attribute *mattr,
-			 char *data)
+static ssize_t dram_hole_show(struct device *dev, struct device_attribute *mattr,
+			      char *data)
 {
 	struct mem_ctl_info *mci = to_mci(dev);
 
@@ -589,11 +589,11 @@ static ssize_t hole_show(struct device *dev, struct device_attribute *mattr,
 /*
  * update NUM_DBG_ATTRS in case you add new members
  */
-static DEVICE_ATTR(dhar, S_IRUGO, dhar_show, NULL);
-static DEVICE_ATTR(dbam, S_IRUGO, dbam0_show, NULL);
-static DEVICE_ATTR(topmem, S_IRUGO, top_mem_show, NULL);
-static DEVICE_ATTR(topmem2, S_IRUGO, top_mem2_show, NULL);
-static DEVICE_ATTR(dram_hole, S_IRUGO, hole_show, NULL);
+static DEVICE_ATTR_RO(dhar);
+static DEVICE_ATTR_RO(dbam);
+static DEVICE_ATTR_RO(topmem);
+static DEVICE_ATTR_RO(topmem2);
+static DEVICE_ATTR_RO(dram_hole);
 
 static struct attribute *dbg_attrs[] = {
 	&dev_attr_dhar.attr,
@@ -802,16 +802,11 @@ static ssize_t inject_write_store(struct device *dev,
  * update NUM_INJ_ATTRS in case you add new members
  */
 
-static DEVICE_ATTR(inject_section, S_IRUGO | S_IWUSR,
-		   inject_section_show, inject_section_store);
-static DEVICE_ATTR(inject_word, S_IRUGO | S_IWUSR,
-		   inject_word_show, inject_word_store);
-static DEVICE_ATTR(inject_ecc_vector, S_IRUGO | S_IWUSR,
-		   inject_ecc_vector_show, inject_ecc_vector_store);
-static DEVICE_ATTR(inject_write, S_IWUSR,
-		   NULL, inject_write_store);
-static DEVICE_ATTR(inject_read,  S_IWUSR,
-		   NULL, inject_read_store);
+static DEVICE_ATTR_RW(inject_section);
+static DEVICE_ATTR_RW(inject_word);
+static DEVICE_ATTR_RW(inject_ecc_vector);
+static DEVICE_ATTR_WO(inject_write);
+static DEVICE_ATTR_WO(inject_read);
 
 static struct attribute *inj_attrs[] = {
 	&dev_attr_inject_section.attr,