ath10k: refactor ath10k_pci_dump_memory() in preparation for QCA9984 support
authorKalle Valo <kvalo@codeaurora.org>
Tue, 27 Mar 2018 08:26:50 +0000 (11:26 +0300)
committerKalle Valo <kvalo@codeaurora.org>
Thu, 29 Mar 2018 08:54:25 +0000 (11:54 +0300)
As QCA9984 needs two region types refactor the code to make it easier add the
new types. No functional changes.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ath/ath10k/pci.c

index 561c722..ad2a146 100644 (file)
@@ -1584,6 +1584,36 @@ static int ath10k_pci_set_ram_config(struct ath10k *ar, u32 config)
        return 0;
 }
 
+/* if an error happened returns < 0, otherwise the length */
+static int ath10k_pci_dump_memory_generic(struct ath10k *ar,
+                                         const struct ath10k_mem_region *current_region,
+                                         u8 *buf)
+{
+       int ret;
+
+       if (current_region->section_table.size > 0)
+               /* Copy each section individually. */
+               return ath10k_pci_dump_memory_section(ar,
+                                                     current_region,
+                                                     buf,
+                                                     current_region->len);
+
+       /* No individiual memory sections defined so we can
+        * copy the entire memory region.
+        */
+       ret = ath10k_pci_diag_read_mem(ar,
+                                      current_region->start,
+                                      buf,
+                                      current_region->len);
+       if (ret) {
+               ath10k_warn(ar, "failed to copy ramdump region %s: %d\n",
+                           current_region->name, ret);
+               return ret;
+       }
+
+       return current_region->len;
+}
+
 static void ath10k_pci_dump_memory(struct ath10k *ar,
                                   struct ath10k_fw_crash_data *crash_data)
 {
@@ -1642,27 +1672,14 @@ static void ath10k_pci_dump_memory(struct ath10k *ar,
                buf += sizeof(*hdr);
                buf_len -= sizeof(*hdr);
 
-               if (current_region->section_table.size > 0) {
-                       /* Copy each section individually. */
-                       count = ath10k_pci_dump_memory_section(ar,
-                                                              current_region,
-                                                              buf,
-                                                              current_region->len);
-               } else {
-                       /* No individiual memory sections defined so we can
-                        * copy the entire memory region.
-                        */
-                       ret = ath10k_pci_diag_read_mem(ar,
-                                                      current_region->start,
-                                                      buf,
-                                                      current_region->len);
-                       if (ret) {
-                               ath10k_warn(ar, "failed to copy ramdump region %s: %d\n",
-                                           current_region->name, ret);
+               switch (current_region->type) {
+               default:
+                       ret = ath10k_pci_dump_memory_generic(ar, current_region, buf);
+                       if (ret < 0)
                                break;
-                       }
 
-                       count = current_region->len;
+                       count = ret;
+                       break;
                }
 
                hdr->region_type = cpu_to_le32(current_region->type);