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path: root/drivers/mtd/devices/mtd_dataflash.c
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Diffstat (limited to 'drivers/mtd/devices/mtd_dataflash.c')
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index a39b3b6b266..99d3a0320fc 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -147,7 +147,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
{
struct dataflash *priv = (struct dataflash *)mtd->priv;
struct spi_device *spi = priv->spi;
- struct spi_transfer x[1] = { { .tx_dma = 0, }, };
+ struct spi_transfer x = { .tx_dma = 0, };
struct spi_message msg;
unsigned blocksize = priv->page_size << 3;
u8 *command;
@@ -162,10 +162,11 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
|| (instr->addr % priv->page_size) != 0)
return -EINVAL;
- x[0].tx_buf = command = priv->command;
- x[0].len = 4;
- msg.transfers = x;
- msg.n_transfer = 1;
+ spi_message_init(&msg);
+
+ x.tx_buf = command = priv->command;
+ x.len = 4;
+ spi_message_add_tail(&x, &msg);
down(&priv->lock);
while (instr->len > 0) {
@@ -256,12 +257,15 @@ static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len,
DEBUG(MTD_DEBUG_LEVEL3, "READ: (%x) %x %x %x\n",
command[0], command[1], command[2], command[3]);
+ spi_message_init(&msg);
+
x[0].tx_buf = command;
x[0].len = 8;
+ spi_message_add_tail(&x[0], &msg);
+
x[1].rx_buf = buf;
x[1].len = len;
- msg.transfers = x;
- msg.n_transfer = 2;
+ spi_message_add_tail(&x[1], &msg);
down(&priv->lock);
@@ -320,9 +324,11 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
if ((to + len) > mtd->size)
return -EINVAL;
+ spi_message_init(&msg);
+
x[0].tx_buf = command = priv->command;
x[0].len = 4;
- msg.transfers = x;
+ spi_message_add_tail(&x[0], &msg);
pageaddr = ((unsigned)to / priv->page_size);
offset = ((unsigned)to % priv->page_size);
@@ -364,7 +370,6 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
DEBUG(MTD_DEBUG_LEVEL3, "TRANSFER: (%x) %x %x %x\n",
command[0], command[1], command[2], command[3]);
- msg.n_transfer = 1;
status = spi_sync(spi, &msg);
if (status < 0)
DEBUG(MTD_DEBUG_LEVEL1, "%s: xfer %u -> %d \n",
@@ -385,14 +390,16 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
x[1].tx_buf = writebuf;
x[1].len = writelen;
- msg.n_transfer = 2;
+ spi_message_add_tail(x + 1, &msg);
status = spi_sync(spi, &msg);
+ spi_transfer_del(x + 1);
if (status < 0)
DEBUG(MTD_DEBUG_LEVEL1, "%s: pgm %u/%u -> %d \n",
spi->dev.bus_id, addr, writelen, status);
(void) dataflash_waitready(priv->spi);
+
#ifdef CONFIG_DATAFLASH_WRITE_VERIFY
/* (3) Compare to Buffer1 */
@@ -405,7 +412,6 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
DEBUG(MTD_DEBUG_LEVEL3, "COMPARE: (%x) %x %x %x\n",
command[0], command[1], command[2], command[3]);
- msg.n_transfer = 1;
status = spi_sync(spi, &msg);
if (status < 0)
DEBUG(MTD_DEBUG_LEVEL1, "%s: compare %u -> %d \n",