[PATCH 2/4] board: turris: Do not cache Atsha device in BSS

[Pali Rohár]

Atsha device is used prior relocation and at this early stage BSS does not
have to be ready yet. So do not cache Atsha device in BSS.

Fixes support for other Turris routers.

Signed-off-by: Pali Rohár <pali at kernel.org>
---
 board/CZ.NIC/turris_atsha_otp.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/board/CZ.NIC/turris_atsha_otp.c b/board/CZ.NIC/turris_atsha_otp.c
index a4a77c74fb19..840721a9b737 100644
--- a/board/CZ.NIC/turris_atsha_otp.c
+++ b/board/CZ.NIC/turris_atsha_otp.c
@@ -18,10 +18,8 @@
 
 static struct udevice *get_atsha204a_dev(void)
 {
-	static struct udevice *dev;
-
-	if (dev)
-		return dev;
+	/* Cannot be static because BSS does not have to be ready at this early stage */
+	struct udevice *dev;
 
 	if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a at 64", &dev)) {
 		puts("Cannot find ATSHA204A on I2C bus!\n");
-- 
2.20.1