fastboot: sparse: remove session-id logic

This "session-id" alogrithm is not required, and currently corrupts
the stored image whenever more the one "session" is required.

Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index e3abcc8..9e53adb 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -97,9 +97,8 @@
 	fastboot_okay(response_str, "");
 }
 
-void fb_mmc_flash_write(const char *cmd, unsigned int session_id,
-			void *download_buffer, unsigned int download_bytes,
-			char *response)
+void fb_mmc_flash_write(const char *cmd, void *download_buffer,
+			unsigned int download_bytes, char *response)
 {
 	struct blk_desc *dev_desc;
 	disk_partition_t info;
@@ -153,8 +152,7 @@
 		printf("Flashing sparse image at offset " LBAFU "\n",
 		       info.start);
 
-		store_sparse_image(&sparse, &sparse_priv, session_id,
-				   download_buffer);
+		store_sparse_image(&sparse, &sparse_priv, download_buffer);
 	} else {
 		write_raw_image(dev_desc, &info, cmd, download_buffer,
 				download_bytes);
diff --git a/common/fb_nand.c b/common/fb_nand.c
index ae34f48..a0a9839 100644
--- a/common/fb_nand.c
+++ b/common/fb_nand.c
@@ -126,7 +126,7 @@
 	return written / storage->block_sz;
 }
 
-void fb_nand_flash_write(const char *partname, unsigned int session_id,
+void fb_nand_flash_write(const char *partname,
 			 void *download_buffer, unsigned int download_bytes,
 			 char *response)
 {
@@ -161,7 +161,7 @@
 		sparse.name = part->name;
 		sparse.write = fb_nand_sparse_write;
 
-		ret = store_sparse_image(&sparse, &sparse_priv, session_id,
+		ret = store_sparse_image(&sparse, &sparse_priv,
 					 download_buffer);
 	} else {
 		printf("Flashing raw image at offset 0x%llx\n",
diff --git a/common/image-sparse.c b/common/image-sparse.c
index 2bf737b..893c68b 100644
--- a/common/image-sparse.c
+++ b/common/image-sparse.c
@@ -52,8 +52,6 @@
 	u16	type;
 } sparse_buffer_t;
 
-static uint32_t last_offset;
-
 static unsigned int sparse_get_chunk_data_size(sparse_header_t *sparse,
 					       chunk_header_t *chunk)
 {
@@ -267,8 +265,8 @@
 	free(buffer);
 }
 
-int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
-		       unsigned int session_id, void *data)
+int store_sparse_image(sparse_storage_t *storage,
+		       void *storage_priv, void *data)
 {
 	unsigned int chunk, offset;
 	sparse_header_t *sparse_header;
@@ -303,19 +301,10 @@
 		return -EINVAL;
 	}
 
-	/*
-	 * If it's a new flashing session, start at the beginning of
-	 * the partition. If not, then simply resume where we were.
-	 */
-	if (session_id > 0)
-		start = last_offset;
-	else
-		start = storage->start;
-
-	printf("Flashing sparse image on partition %s at offset 0x%x (ID: %d)\n",
-	       storage->name, start * storage->block_sz, session_id);
+	puts("Flashing Sparse Image\n");
 
 	/* Start processing chunks */
+	start = storage->start;
 	for (chunk = 0; chunk < sparse_header->total_chunks; chunk++) {
 		uint32_t blkcnt;
 
@@ -390,7 +379,5 @@
 		return -EIO;
 	}
 
-	last_offset = start + total_blocks;
-
 	return 0;
 }