[openwrt/openwrt] generic: platform/mikrotik: make soft_config writable without 4K sectors

[LEDE Commits]

xback pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/6eb196ed0f484148f04dedf65cd21651cf3349a7

commit 6eb196ed0f484148f04dedf65cd21651cf3349a7
Author: Oskari Lemmela <oskari at lemmela.net>
AuthorDate: Tue Dec 21 09:45:59 2021 +0200

    generic: platform/mikrotik: make soft_config writable without 4K sectors
    
    Make soft_config writable in all cases. Performing soft_config commit
    will fail if mtd partition is not writable.
    
    Signed-off-by: Oskari Lemmela <oskari at lemmela.net>
    [bump rb_softconfig version number]
    Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
 .../files/drivers/platform/mikrotik/rb_softconfig.c   | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/target/linux/generic/files/drivers/platform/mikrotik/rb_softconfig.c b/target/linux/generic/files/drivers/platform/mikrotik/rb_softconfig.c
index 070bd32d5a..453e1347b2 100644
--- a/target/linux/generic/files/drivers/platform/mikrotik/rb_softconfig.c
+++ b/target/linux/generic/files/drivers/platform/mikrotik/rb_softconfig.c
@@ -56,23 +56,12 @@
 
 #include "routerboot.h"
 
-#define RB_SOFTCONFIG_VER		"0.03"
+#define RB_SOFTCONFIG_VER		"0.04"
 #define RB_SC_PR_PFX			"[rb_softconfig] "
 
-/*
- * mtd operations before 4.17 are asynchronous, not handled by this code
- * Also make the driver act read-only if 4K_SECTORS are not enabled, since they
- * are require to handle partial erasing of the small soft_config partition.
- */
-#if defined(CONFIG_MTD_SPI_NOR_USE_4K_SECTORS)
- #define RB_SC_HAS_WRITE_SUPPORT	true
- #define RB_SC_WMODE			S_IWUSR
- #define RB_SC_RMODE			S_IRUSR
-#else
- #define RB_SC_HAS_WRITE_SUPPORT	false
- #define RB_SC_WMODE			0
- #define RB_SC_RMODE			S_IRUSR
-#endif
+#define RB_SC_HAS_WRITE_SUPPORT	true
+#define RB_SC_WMODE			S_IWUSR
+#define RB_SC_RMODE			S_IRUSR
 
 /* ID values for software settings */
 #define RB_SCID_UART_SPEED		0x01	// u32*1