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-rw-r--r--drivers/net/ipa/ipa_uc.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ipa/ipa_uc.c b/drivers/net/ipa/ipa_uc.c
index a1f8db00d55a..9f9980ec2ed3 100644
--- a/drivers/net/ipa/ipa_uc.c
+++ b/drivers/net/ipa/ipa_uc.c
@@ -35,12 +35,6 @@
*/
/* Supports hardware interface version 0x2000 */
-/* Offset relative to the base of the IPA shared address space of the
- * shared region used for communication with the microcontroller. The
- * region is 128 bytes in size, but only the first 40 bytes are used.
- */
-#define IPA_MEM_UC_OFFSET 0x0000
-
/* Delay to allow a the microcontroller to save state when crashing */
#define IPA_SEND_DELAY 100 /* microseconds */
@@ -60,6 +54,10 @@
* @hw_state: state of hardware (including error type information)
* @warning_counter: counter of non-fatal hardware errors
* @interface_version: hardware-reported interface version
+ *
+ * A shared memory area at the base of IPA resident memory is used for
+ * communication with the microcontroller. The region is 128 bytes in
+ * size, but only the first 40 bytes (structured this way) are used.
*/
struct ipa_uc_mem_area {
u8 command; /* enum ipa_uc_command */