at91: add kernel support for sama7g5 soc

Add kernel support for SAMA7G5 by back-porting mainline kernel patches.
Among SAMA7G5 features could be remembered:
- ARM Cortex-A7
- double data rate multi-port dynamic RAM controller supporting DDR2,
  DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz
- peripherals for audio, video processing
- 1 gigabit + 1 megabit Ethernet controllers
- 6 CAN controllers
- trust zone support
- DVFS for CPU
- criptography IPs

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/target/linux/at91/patches-5.10/156-media-atmel-atmel-isc-Remove-redundant-assignment-to.patch b/target/linux/at91/patches-5.10/156-media-atmel-atmel-isc-Remove-redundant-assignment-to.patch
new file mode 100644
index 0000000000..4efc841078
--- /dev/null
+++ b/target/linux/at91/patches-5.10/156-media-atmel-atmel-isc-Remove-redundant-assignment-to.patch
@@ -0,0 +1,37 @@
+From b074b4695004b793a9199716295cb76da6c41686 Mon Sep 17 00:00:00 2001
+From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
+Date: Mon, 17 May 2021 12:07:48 +0200
+Subject: [PATCH 156/247] media: atmel: atmel-isc: Remove redundant assignment
+ to i
+
+Variable i is being assigned a value however the assignment is
+never read, so this redundant assignment can be removed.
+
+Clean up the following clang-analyzer warning:
+
+drivers/media/platform/atmel/atmel-isc-base.c:975:2: warning: Value
+stored to 'i' is never read [clang-analyzer-deadcode.DeadStores].
+
+Reported-by: Abaci Robot <abaci@linux.alibaba.com>
+Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
+Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
+Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+---
+ drivers/media/platform/atmel/atmel-isc-base.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
+index ce8e1351fa53..a017572c870c 100644
+--- a/drivers/media/platform/atmel/atmel-isc-base.c
++++ b/drivers/media/platform/atmel/atmel-isc-base.c
+@@ -972,7 +972,6 @@ static int isc_enum_fmt_vid_cap(struct file *file, void *priv,
+ 
+ 	index -= ARRAY_SIZE(controller_formats);
+ 
+-	i = 0;
+ 	supported_index = 0;
+ 
+ 	for (i = 0; i < ARRAY_SIZE(formats_list); i++) {
+-- 
+2.32.0
+