---

yaml
---
r: 84270
b: refs/heads/master
c: e619a75
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 842b1a105c95d22c3e4257879539413d3152629e
+refs/heads/master: e619a75ff6201b567a539e787aa9af9bc63a3187

trunk/drivers/mtd/chips/cfi_cmdset_0001.c

@@ -269,10 +269,16 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
 /*
  * Some chips power-up with all sectors locked by default.
  */
-static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param)
+static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param)
 {
-	printk(KERN_INFO "Using auto-unlock on power-up/resume\n" );
-	mtd->flags |= MTD_STUPID_LOCK;
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+	struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
+
+	if (cfip->FeatureSupport&32) {
+		printk(KERN_INFO "Using auto-unlock on power-up/resume\n" );
+		mtd->flags |= MTD_POWERUP_LOCK;
+	}
 }
 
 static struct cfi_fixup cfi_fixup_table[] = {
@@ -288,7 +294,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 #endif
 	{ CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL },
 	{ CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL },
-	{ MANUFACTURER_INTEL, 0x891c,	      fixup_use_powerup_lock, NULL, },
+	{ MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, },
 	{ 0, 0, NULL, NULL }
 };
 
@@ -2349,7 +2355,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 	struct flchip *chip;
 	int ret = 0;
 
-	if ((mtd->flags & MTD_STUPID_LOCK)
+	if ((mtd->flags & MTD_POWERUP_LOCK)
 	    && extp && (extp->FeatureSupport & (1 << 5)))
 		cfi_intelext_save_locks(mtd);
 
@@ -2460,7 +2466,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
 		spin_unlock(chip->mutex);
 	}
 
-	if ((mtd->flags & MTD_STUPID_LOCK)
+	if ((mtd->flags & MTD_POWERUP_LOCK)
 	    && extp && (extp->FeatureSupport & (1 << 5)))
 		cfi_intelext_restore_locks(mtd);
 }

trunk/drivers/mtd/chips/cfi_cmdset_0002.c

@@ -217,7 +217,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
 {
 	mtd->lock = cfi_atmel_lock;
 	mtd->unlock = cfi_atmel_unlock;
-	mtd->flags |= MTD_STUPID_LOCK;
+	mtd->flags |= MTD_POWERUP_LOCK;
 }
 
 static struct cfi_fixup cfi_fixup_table[] = {

trunk/drivers/mtd/cmdlinepart.c

@@ -9,7 +9,7 @@
  *
  * mtdparts=<mtddef>[;<mtddef]
  * <mtddef>  := <mtd-id>:<partdef>[,<partdef>]
- * <partdef> := <size>[@offset][<name>][ro]
+ * <partdef> := <size>[@offset][<name>][ro][lk]
  * <mtd-id>  := unique name used in mapping driver/device (mtd->name)
  * <size>    := standard linux memsize OR "-" to denote all remaining space
  * <name>    := '(' NAME ')'
@@ -143,6 +143,13 @@ static struct mtd_partition * newpart(char *s,
 		s += 2;
         }
 
+        /* if lk is found do NOT unlock the MTD partition*/
+        if (strncmp(s, "lk", 2) == 0)
+	{
+		mask_flags |= MTD_POWERUP_LOCK;
+		s += 2;
+        }
+
 	/* test if more partitions are following */
 	if (*s == ',')
 	{

trunk/drivers/mtd/mtdcore.c

@@ -61,7 +61,7 @@ int add_mtd_device(struct mtd_info *mtd)
 
 			/* Some chips always power up locked. Unlock them now */
 			if ((mtd->flags & MTD_WRITEABLE)
-			    && (mtd->flags & MTD_STUPID_LOCK) && mtd->unlock) {
+			    && (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) {
 				if (mtd->unlock(mtd, 0, mtd->size))
 					printk(KERN_WARNING
 					       "%s: unlock failed, "

trunk/include/mtd/mtd-abi.h

@@ -29,7 +29,7 @@ struct mtd_oob_buf {
 #define MTD_WRITEABLE		0x400	/* Device is writeable */
 #define MTD_BIT_WRITEABLE	0x800	/* Single bits can be flipped */
 #define MTD_NO_ERASE		0x1000	/* No erase necessary */
-#define MTD_STUPID_LOCK		0x2000	/* Always locked after reset */
+#define MTD_POWERUP_LOCK	0x2000	/* Always locked after reset */
 
 // Some common devices / combinations of capabilities
 #define MTD_CAP_ROM		0