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path: root/drivers/mtd/spi
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Diffstat (limited to 'drivers/mtd/spi')
-rw-r--r--drivers/mtd/spi/sf_probe.c34
-rw-r--r--drivers/mtd/spi/spi_flash.c5
2 files changed, 12 insertions, 27 deletions
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index 7b296378d2..09143d7868 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -55,10 +55,16 @@ err_read_id:
}
#ifndef CONFIG_DM_SPI_FLASH
-static struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
+struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
+ unsigned int max_hz, unsigned int spi_mode)
{
+ struct spi_slave *bus;
struct spi_flash *flash;
+ bus = spi_setup_slave(busnum, cs, max_hz, spi_mode);
+ if (!bus)
+ return NULL;
+
/* Allocate space if needed (not used by sf-uclass */
flash = calloc(1, sizeof(*flash));
if (!flash) {
@@ -76,30 +82,6 @@ static struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
return flash;
}
-struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
- unsigned int max_hz, unsigned int spi_mode)
-{
- struct spi_slave *bus;
-
- bus = spi_setup_slave(busnum, cs, max_hz, spi_mode);
- if (!bus)
- return NULL;
- return spi_flash_probe_tail(bus);
-}
-
-#ifdef CONFIG_OF_SPI_FLASH
-struct spi_flash *spi_flash_probe_fdt(const void *blob, int slave_node,
- int spi_node)
-{
- struct spi_slave *bus;
-
- bus = spi_setup_slave_fdt(blob, slave_node, spi_node);
- if (!bus)
- return NULL;
- return spi_flash_probe_tail(bus);
-}
-#endif
-
void spi_flash_free(struct spi_flash *flash)
{
#ifdef CONFIG_SPI_FLASH_MTD
@@ -120,7 +102,7 @@ static int spi_flash_std_read(struct udevice *dev, u32 offset, size_t len,
}
static int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
- const void *buf)
+ const void *buf)
{
struct spi_flash *flash = dev_get_uclass_priv(dev);
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 51e28bf07b..294d9f9d79 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -405,7 +405,7 @@ int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
if (spi->max_write_size)
chunk_len = min(chunk_len,
- (size_t)spi->max_write_size);
+ spi->max_write_size - sizeof(cmd));
spi_flash_addr(write_addr, cmd);
@@ -516,6 +516,9 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
else
read_len = remain_len;
+ if (spi->max_read_size)
+ read_len = min(read_len, spi->max_read_size);
+
spi_flash_addr(read_addr, cmd);
ret = spi_flash_read_common(flash, cmd, cmdsz, data, read_len);