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nand_build_bbt() was ignoring the return value from nand_read_page() and
blindly continuing.
It now passes the return value up to the caller if the read fails.
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
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Last block was being skipped, fix by changing the loop test from "<" to "<="
First block argument was ignored, always started from block 0 (and counted
the wrong blocks as bad if first was nonzero). Now we use it.
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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The last_block argument to nand_erase() is checked against nand->num_blocks,
but the highest valid block number is (total - 1), the test for invalid should
be ">=" rather than ">".
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Add "static" qualifier to private functions.
Move function's comment from core.h to core.c.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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Refactored the write page raw function into two new functions
for writing data to a NAND device and then another function to
finish up a write to a NAND device. This includes some new
updates to introduce more error checking to existing code.
[dbrownell@users.sourceforge.net: fix fault handling, whitespace]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Added a new function to encapsulate reading a page of data from
a NAND device using either the read_block_data function of a NAND
controller or to use direct reading of data from the NAND device.
This also adds some performance enhancements and uses the read_data
function if the read_block_data function fails safely (because it
can't allocate a buffer in the working area).
[dbrownell@users.sourceforge.net: fix fault handling, whitespace]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Rename nand.h as flash/nand/core.h, chase consumers. The public APIs
need to be sorted out with imp.h, but this allows other changes to
begin improving the separation between policy and mechanism.
Moves #include <target/target.h> and #include "driver.h" into the
internal headers or source files, removing it from <flash/nand/core.h>.
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Moves commands into nand/tcl.c and core implementation to 'nand/core.c'
and 'nand/fileio.c'. Eliminates 'flash/nand.c'.
Adds 'nand/imp.h' to share routines between TCL commands and core.
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