1 files changed, 18 insertions, 36 deletions

diff --git a/src/drivers/spi/winbond.c b/src/drivers/spi/winbond.c
index 25a7b5bd32..3f167c0d06 100644
--- a/src/drivers/spi/winbond.c
+++ b/src/drivers/spi/winbond.c
@@ -36,18 +36,6 @@ struct winbond_spi_flash_params {
 	const char	*name;
 };
 
-/* spi_flash needs to be first so upper layers can free() it */
-struct winbond_spi_flash {
-	struct spi_flash flash;
-	const struct winbond_spi_flash_params *params;
-};
-
-static inline struct winbond_spi_flash *
-to_winbond_spi_flash(const struct spi_flash *flash)
-{
-	return container_of(flash, struct winbond_spi_flash, flash);
-}
-
 static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
 	{
 		.id			= 0x3015,
@@ -142,7 +130,6 @@ static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
 static int winbond_write(const struct spi_flash *flash, u32 offset, size_t len,
 			const void *buf)
 {
-	struct winbond_spi_flash *stm = to_winbond_spi_flash(flash);
 	unsigned long byte_addr;
 	unsigned long page_size;
 	size_t chunk_len;
@@ -150,7 +137,7 @@ static int winbond_write(const struct spi_flash *flash, u32 offset, size_t len,
 	int ret = 0;
 	u8 cmd[4];
 
-	page_size = 1 << stm->params->l2_page_size;
+	page_size = flash->page_size;
 
 	for (actual = 0; actual < len; actual += chunk_len) {
 		byte_addr = offset % page_size;
@@ -197,12 +184,11 @@ out:
 	return ret;
 }
 
-static struct winbond_spi_flash stm;
+static struct spi_flash flash;
 
 struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
 {
 	const struct winbond_spi_flash_params *params;
-	unsigned page_size;
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) {
@@ -217,28 +203,24 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
 		return NULL;
 	}
 
-	stm.params = params;
-	memcpy(&stm.flash.spi, spi, sizeof(*spi));
-	stm.flash.name = params->name;
-
+	memcpy(&flash.spi, spi, sizeof(*spi));
+	flash.name = params->name;
 	/* Assuming power-of-two page size initially. */
-	page_size = 1 << params->l2_page_size;
-
-	stm.flash.internal_write = winbond_write;
-	stm.flash.internal_erase = spi_flash_cmd_erase;
-	stm.flash.internal_status = spi_flash_cmd_status;
+	flash.page_size = 1 << params->l2_page_size;
+	flash.sector_size = flash.page_size * params->pages_per_sector;
+	flash.size = flash.sector_size * params->sectors_per_block *
+			params->nr_blocks;
+	flash.erase_cmd = CMD_W25_SE;
+	flash.status_cmd = CMD_W25_RDSR;
+
+	flash.internal_write = winbond_write;
+	flash.internal_erase = spi_flash_cmd_erase;
+	flash.internal_status = spi_flash_cmd_status;
 #if CONFIG_SPI_FLASH_NO_FAST_READ
-	stm.flash.internal_read = spi_flash_cmd_read_slow;
+	flash.internal_read = spi_flash_cmd_read_slow;
 #else
-	stm.flash.internal_read = spi_flash_cmd_read_fast;
+	flash.internal_read = spi_flash_cmd_read_fast;
 #endif
-	stm.flash.sector_size = (1 << stm.params->l2_page_size) *
-		stm.params->pages_per_sector;
-	stm.flash.size = page_size * params->pages_per_sector
-				* params->sectors_per_block
-				* params->nr_blocks;
-	stm.flash.erase_cmd = CMD_W25_SE;
-	stm.flash.status_cmd = CMD_W25_RDSR;
-
-	return &stm.flash;
+
+	return &flash;
 }