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-rw-r--r--drivers/mtd/spi/sf-uclass.c9
-rw-r--r--drivers/mtd/spi/sf_internal.h4
-rw-r--r--drivers/mtd/spi/sf_probe.c8
-rw-r--r--drivers/mtd/spi/spi-nor-core.c11
-rw-r--r--drivers/mtd/spi/spi-nor-tiny.c6
-rw-r--r--include/spi_flash.h27
-rw-r--r--test/dm/sf.c10
7 files changed, 1 insertions, 74 deletions
diff --git a/drivers/mtd/spi/sf-uclass.c b/drivers/mtd/spi/sf-uclass.c
index de369aa001..9ce2ecb99a 100644
--- a/drivers/mtd/spi/sf-uclass.c
+++ b/drivers/mtd/spi/sf-uclass.c
@@ -30,15 +30,6 @@ int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
return log_ret(sf_get_ops(dev)->erase(dev, offset, len));
}
-int spl_flash_get_sw_write_prot(struct udevice *dev)
-{
- struct dm_spi_flash_ops *ops = sf_get_ops(dev);
-
- if (!ops->get_sw_write_prot)
- return -ENOSYS;
- return log_ret(ops->get_sw_write_prot(dev));
-}
-
/*
* TODO(sjg@chromium.org): This is an old-style function. We should remove
* it when all SPI flash drivers use dm
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 3bcb7a22df..dabd40a4cc 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -75,10 +75,6 @@ extern const struct flash_info spi_nor_ids[];
#define JEDEC_MFR(info) ((info)->id[0])
#define JEDEC_ID(info) (((info)->id[1]) << 8 | ((info)->id[2]))
-/* Get software write-protect value (BP bits) */
-int spi_flash_cmd_get_sw_write_prot(struct spi_flash *flash);
-
-
#if CONFIG_IS_ENABLED(SPI_FLASH_MTD)
int spi_flash_mtd_register(struct spi_flash *flash);
void spi_flash_mtd_unregister(void);
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index ee7cbaf3f6..4e9973bb62 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -130,13 +130,6 @@ static int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len)
return mtd->_erase(mtd, &instr);
}
-static int spi_flash_std_get_sw_write_prot(struct udevice *dev)
-{
- struct spi_flash *flash = dev_get_uclass_priv(dev);
-
- return spi_flash_cmd_get_sw_write_prot(flash);
-}
-
int spi_flash_std_probe(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parent_priv(dev);
@@ -162,7 +155,6 @@ static const struct dm_spi_flash_ops spi_flash_std_ops = {
.read = spi_flash_std_read,
.write = spi_flash_std_write,
.erase = spi_flash_std_erase,
- .get_sw_write_prot = spi_flash_std_get_sw_write_prot,
};
static const struct udevice_id spi_flash_std_ids[] = {
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 56b44ebbe8..310d477f00 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -2640,14 +2640,3 @@ int spi_nor_scan(struct spi_nor *nor)
return 0;
}
-
-/* U-Boot specific functions, need to extend MTD to support these */
-int spi_flash_cmd_get_sw_write_prot(struct spi_nor *nor)
-{
- int sr = read_sr(nor);
-
- if (sr < 0)
- return sr;
-
- return (sr >> 2) & 7;
-}
diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c
index 55f86d5155..9f676c649d 100644
--- a/drivers/mtd/spi/spi-nor-tiny.c
+++ b/drivers/mtd/spi/spi-nor-tiny.c
@@ -798,9 +798,3 @@ int spi_nor_scan(struct spi_nor *nor)
return 0;
}
-
-/* U-Boot specific functions, need to extend MTD to support these */
-int spi_flash_cmd_get_sw_write_prot(struct spi_nor *nor)
-{
- return -ENOTSUPP;
-}
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 0b23f57a71..d9b2af856c 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -34,19 +34,6 @@ struct dm_spi_flash_ops {
int (*write)(struct udevice *dev, u32 offset, size_t len,
const void *buf);
int (*erase)(struct udevice *dev, u32 offset, size_t len);
- /**
- * get_sw_write_prot() - Check state of software write-protect feature
- *
- * SPI flash chips can lock a region of the flash defined by a
- * 'protected area'. This function checks if this protected area is
- * defined.
- *
- * @dev: SPI flash device
- * @return 0 if no region is write-protected, 1 if a region is
- * write-protected, -ENOSYS if the driver does not implement this,
- * other -ve value on error
- */
- int (*get_sw_write_prot)(struct udevice *dev);
};
/* Access the serial operations for a device */
@@ -89,20 +76,6 @@ int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len,
int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len);
/**
- * spl_flash_get_sw_write_prot() - Check state of software write-protect feature
- *
- * SPI flash chips can lock a region of the flash defined by a
- * 'protected area'. This function checks if this protected area is
- * defined.
- *
- * @dev: SPI flash device
- * @return 0 if no region is write-protected, 1 if a region is
- * write-protected, -ENOSYS if the driver does not implement this,
- * other -ve value on error
- */
-int spl_flash_get_sw_write_prot(struct udevice *dev);
-
-/**
* spi_flash_std_probe() - Probe a SPI flash device
*
* This is the standard internal method for probing a SPI flash device to
diff --git a/test/dm/sf.c b/test/dm/sf.c
index 55b8d1545f..9e7dead684 100644
--- a/test/dm/sf.c
+++ b/test/dm/sf.c
@@ -20,7 +20,7 @@
/* Simple test of sandbox SPI flash */
static int dm_test_spi_flash(struct unit_test_state *uts)
{
- struct udevice *dev, *emul;
+ struct udevice *dev;
int full_size = 0x200000;
int size = 0x10000;
u8 *src, *dst;
@@ -50,14 +50,6 @@ static int dm_test_spi_flash(struct unit_test_state *uts)
ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
ut_asserteq_mem(src, dst, size);
- /* Try the write-protect stuff */
- ut_assertok(uclass_first_device_err(UCLASS_SPI_EMUL, &emul));
- ut_asserteq(0, spl_flash_get_sw_write_prot(dev));
- sandbox_sf_set_block_protect(emul, 1);
- ut_asserteq(1, spl_flash_get_sw_write_prot(dev));
- sandbox_sf_set_block_protect(emul, 0);
- ut_asserteq(0, spl_flash_get_sw_write_prot(dev));
-
/* Check mapping */
ut_assertok(dm_spi_get_mmap(dev, &map_base, &map_size, &offset));
ut_asserteq(0x1000, map_base);