From d9a356972b7504e2e1b0a2b61ddc25a4452502e6 Mon Sep 17 00:00:00 2001
From: Mario Six <mario.six@gdsys.cc>
Date: Fri, 26 Jan 2018 14:43:56 +0100
Subject: [PATCH] cfi_flash: Always define cfi_flash_num_flash_banks

The variable cfi_flash_num_flash_banks is defined iff
CONFIG_SYS_MAX_FLASH_BANKS_DETECT is defined, but it is used
unconditionally in the function cfi_flash_init_dm. This leads to a
undefined variable compile error when CONFIG_SYS_MAX_FLASH_BANKS_DETECT
is not defined, but DM is enabled.

Fix this by always defining the cfi_flash_num_flash_banks variable.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
---
 drivers/mtd/cfi_flash.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 347382f529..da44e6184e 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -91,6 +91,8 @@ static u16 cfi_flash_config_reg(int i)
 
 #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
 int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT;
+#else
+int cfi_flash_num_flash_banks;
 #endif
 
 #ifdef CONFIG_CFI_FLASH /* for driver model */
-- 
2.39.5