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net: Remove CONFIG_SYS_DIRECT_FLASH_TFTP

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No platforms enable the functionality to tftp directly to NOR flash, and
this is discouraged by the documentation.  Remove this code.  Further,
this highlights an oddity of the code.  Un-indent the start of this
function.

Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini
2022-07-23 13:04:54 -04:00
parent 6eaa0e4ac6
commit 52938fc4f0
3 changed files with 13 additions and 54 deletions
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13
README
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@@ -1747,19 +1747,6 @@ Configuration Settings:
If defined, hardware flash sectors protection is used
instead of U-Boot software protection.
- CONFIG_SYS_DIRECT_FLASH_TFTP:
Enable TFTP transfers directly to flash memory;
without this option such a download has to be
performed in two steps: (1) download to RAM, and (2)
copy from RAM to flash.
The two-step approach is usually more reliable, since
you can check if the download worked before you erase
the flash, but in some situations (when system RAM is
too limited to allow for a temporary copy of the
downloaded image) this option may be very useful.
- CONFIG_SYS_FLASH_CFI:
Define if the flash driver uses extra elements in the
common flash structure for storing flash geometry.