From b893744fd18adf64fbf38efe19253d2172cdfd46 Mon Sep 17 00:00:00 2001
From: morris <maoshengrong@espressif.com>
Date: Mon, 18 Dec 2023 17:02:10 +0800
Subject: [PATCH] fix(gdma): reserve the SOC_GDMA_PAIRS_PER_GROUP

Closes https://github.com/espressif/esp-idf/issues/12798
---
 components/soc/esp32s3/include/soc/Kconfig.soc_caps.in | 4 ++++
 components/soc/esp32s3/include/soc/soc_caps.h          | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
index d257fb5f6b..f75219ae1e 100644
--- a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
@@ -399,6 +399,10 @@ config SOC_GDMA_NUM_GROUPS_MAX
     int
     default 1
 
+config SOC_GDMA_PAIRS_PER_GROUP
+    int
+    default 5
+
 config SOC_GDMA_PAIRS_PER_GROUP_MAX
     int
     default 5
diff --git a/components/soc/esp32s3/include/soc/soc_caps.h b/components/soc/esp32s3/include/soc/soc_caps.h
index 599234a386..ddc9edb9e8 100644
--- a/components/soc/esp32s3/include/soc/soc_caps.h
+++ b/components/soc/esp32s3/include/soc/soc_caps.h
@@ -156,7 +156,8 @@
 /*-------------------------- GDMA CAPS ---------------------------------------*/
 #define SOC_AHB_GDMA_VERSION           1U
 #define SOC_GDMA_NUM_GROUPS_MAX        1U
-#define SOC_GDMA_PAIRS_PER_GROUP_MAX   5
+#define SOC_GDMA_PAIRS_PER_GROUP       5 // esp32s3 has only one kind of GDMA, which is AHB GDMA, and it has 5 pairs in total.
+#define SOC_GDMA_PAIRS_PER_GROUP_MAX   5 // when there're multiple GDMA instances, this macro represents the maximum number of GDMA pairs in the same group.
 #define SOC_AHB_GDMA_SUPPORT_PSRAM     1
 
 /*-------------------------- GPIO CAPS ---------------------------------------*/