bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0482-gpio-fsm-Fix-shutdown-timeout-handling.patch b/target/linux/bcm27xx/patches-5.10/950-0482-gpio-fsm-Fix-shutdown-timeout-handling.patch
new file mode 100644
index 0000000000..e774c100c4
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0482-gpio-fsm-Fix-shutdown-timeout-handling.patch
@@ -0,0 +1,26 @@
+From a8862588c1ebbcb49b0650707020910270a81f07 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Wed, 17 Feb 2021 09:21:30 +0000
+Subject: [PATCH] gpio-fsm: Fix shutdown timeout handling
+
+The driver is intended to jump directly to a shutdown state in the
+event of a timeout during shutdown, but the sense of the test was
+inverted.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ drivers/gpio/gpio-fsm.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpio/gpio-fsm.c
++++ b/drivers/gpio/gpio-fsm.c
+@@ -1142,7 +1142,8 @@ static int gpio_fsm_remove(struct platfo
+ 				   gf->current_state->shutdown_target ==
+ 				   gf->current_state,
+ 				   msecs_to_jiffies(gf->shutdown_timeout_ms));
+-		if (gf->current_state->shutdown_target == gf->current_state)
++		/* On failure to reach a shutdown state, jump to one */
++		if (gf->current_state->shutdown_target != gf->current_state)
+ 			gpio_fsm_enter_state(gf, gf->shutdown_state);
+ 	}
+ 	cancel_work_sync(&gf->work);