The release command is the pendant of the probe command. This command
allows to call spi_flash_free from the command line. This may be
necessary for some boards where sf probe does change the state of the
hardware (like with some pin multiplexing changes for instance).
Signed-off-by: Valentin Longchamp <valentin.longch...@keymile.com>
---
Changes in v3:
- Rebased on v2015.10
Changes in v2:
- Rebased on v2014.10
common/cmd_sf.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/common/cmd_sf.c b/common/cmd_sf.c
index ac7f5df..9c51dca 100644
--- a/common/cmd_sf.c
+++ b/common/cmd_sf.c
@@ -152,6 +152,14 @@ static int do_spi_flash_probe(int argc, char * const
argv[])
return 0;
}
+static int do_spi_flash_release(int argc, char * const argv[])
+{
+ if (flash)
+ spi_flash_free(flash);
+ flash = NULL;
+
+ return 0;
+}
/**
* Write a block of data to SPI flash, first checking if it is different from
* what is already there.
@@ -540,6 +548,8 @@ static int do_spi_flash(cmd_tbl_t *cmdtp, int flag, int
argc,
ret = do_spi_flash_read_write(argc, argv);
else if (strcmp(cmd, "erase") == 0)
ret = do_spi_flash_erase(argc, argv);
+ else if (strcmp(cmd, "release") == 0)
+ ret = do_spi_flash_release(argc, argv);
#ifdef CONFIG_CMD_SF_TEST
else if (!strcmp(cmd, "test"))
ret = do_spi_flash_test(argc, argv);
@@ -579,5 +589,6 @@ U_BOOT_CMD(
"sf update addr offset|partition len - erase and write `len' bytes
from memory\n"
" at `addr' to flash at
`offset'\n"
" or to start of mtd
`partition'\n"
+ "sf release - release the current flash
device\n"
SF_TEST_HELP
);
--
1.8.3.1
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