[PATCHv4 8/9] board: ge: common: vpd: separate I2C specific code

[Sebastian Reichel]

This separates the I2C specific code from the generic
GE vital product data code, so that the generic parts
can be used on hardware with VPD stored in SPI flash
memory.

Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
---
 board/ge/bx50v3/bx50v3.c     |  2 +-
 board/ge/common/vpd_reader.c | 12 ++++++------
 board/ge/common/vpd_reader.h | 23 +++++++++++++++++++----
 board/ge/mx53ppd/mx53ppd.c   |  2 +-
 4 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index c6b0af8c776a..8a38ac5d4e4c 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -429,7 +429,7 @@ static void set_confidx(const struct vpd_cache* vpd)
 
 int board_init(void)
 {
-	if (!read_vpd(&vpd, vpd_callback)) {
+	if (!read_i2c_vpd(&vpd, vpd_callback)) {
 		int ret, rescan;
 
 		vpd.is_read = true;
diff --git a/board/ge/common/vpd_reader.c b/board/ge/common/vpd_reader.c
index d42b00da2fe6..421fee592291 100644
--- a/board/ge/common/vpd_reader.c
+++ b/board/ge/common/vpd_reader.c
@@ -110,9 +110,9 @@ static const size_t HEADER_BLOCK_ECC_LEN = 4;
 
 static const u8 ECC_BLOCK_ID = 0xFF;
 
-static int vpd_reader(size_t size, u8 *data, struct vpd_cache *userdata,
-		      int (*fn)(struct vpd_cache *, u8 id, u8 version, u8 type,
-				size_t size, u8 const *data))
+int vpd_reader(size_t size, u8 *data, struct vpd_cache *userdata,
+	       int (*fn)(struct vpd_cache *, u8 id, u8 version, u8 type,
+			 size_t size, u8 const *data))
 {
 	if (size < HEADER_BLOCK_LEN || !data || !fn)
 		return -EINVAL;
@@ -200,9 +200,9 @@ static int vpd_reader(size_t size, u8 *data, struct vpd_cache *userdata,
 	}
 }
 
-int read_vpd(struct vpd_cache *cache,
-	     int (*process_block)(struct vpd_cache *, u8 id, u8 version,
-				  u8 type, size_t size, u8 const *data))
+int read_i2c_vpd(struct vpd_cache *cache,
+		 int (*process_block)(struct vpd_cache *, u8 id, u8 version,
+				      u8 type, size_t size, u8 const *data))
 {
 	struct udevice *dev;
 	int ret;
diff --git a/board/ge/common/vpd_reader.h b/board/ge/common/vpd_reader.h
index 3045b7e21e22..0c51dc57e902 100644
--- a/board/ge/common/vpd_reader.h
+++ b/board/ge/common/vpd_reader.h
@@ -16,7 +16,22 @@ struct vpd_cache;
  *
  * Returns Non-zero on error.  Negative numbers encode errno.
  */
-int read_vpd(struct vpd_cache *cache,
-	     int (*process_block)(struct vpd_cache *,
-				  u8 id, u8 version, u8 type,
-				  size_t size, u8 const *data));
+int read_i2c_vpd(struct vpd_cache *cache,
+		 int (*process_block)(struct vpd_cache *, u8 id, u8 version,
+				      u8 type, size_t size, u8 const *data));
+
+/*
+ * Read VPD from given data, verify content, call callback for each vital
+ * product data block.
+ *
+ * size: size of the raw VPD data in bytes
+ * data: raw VPD data read from device
+ * cache: structure used by process block to store VPD information
+ * process_block: callback called for each VPD data block
+ *
+ * Returns Non-zero on error.  Negative numbers encode errno.
+ */
+
+int vpd_reader(size_t size, u8 *data, struct vpd_cache *cache,
+	       int (*process_block)(struct vpd_cache *, u8 id, u8 version, u8 type,
+				    size_t size, u8 const *data));
diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c
index 2e9d389850a2..ef689733c41d 100644
--- a/board/ge/mx53ppd/mx53ppd.c
+++ b/board/ge/mx53ppd/mx53ppd.c
@@ -225,7 +225,7 @@ int board_late_init(void)
 	struct vpd_cache vpd;
 
 	memset(&vpd, 0, sizeof(vpd));
-	res = read_vpd(&vpd, vpd_callback);
+	res = read_i2c_vpd(&vpd, vpd_callback);
 	if (!res)
 		process_vpd(&vpd);
 	else
-- 
2.28.0