[flashrom] [PATCH] Make write granularity a chip attribute.
Stefan Tauner
stefan.tauner at student.tuwien.ac.at
Mon Sep 24 00:03:38 CEST 2012
Signed-off-by: Stefan Tauner <stefan.tauner at student.tuwien.ac.at>
---
First small step into that direction...
flash.h | 3 ++-
flashrom.c | 3 +--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/flash.h b/flash.h
index 4913536..f26b513 100644
--- a/flash.h
+++ b/flash.h
@@ -68,9 +68,9 @@ enum chipbustype {
* - 256 bytes: If less than 256 bytes are written, the contents of the unwritten bytes are undefined.
*/
enum write_granularity {
+ write_gran_256bytes = 0, /* FIXME: We assume 256 byte granularity for now to play it safe. */
write_gran_1bit,
write_gran_1byte,
- write_gran_256bytes,
};
/*
@@ -162,6 +162,7 @@ struct flashchip {
uint16_t min;
uint16_t max;
} voltage;
+ enum write_granularity gran;
};
struct flashctx {
diff --git a/flashrom.c b/flashrom.c
index a887e3b..c084c03 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -1237,7 +1237,7 @@ static int erase_and_write_block_helper(struct flashctx *flash,
{
unsigned int starthere = 0, lenhere = 0;
int ret = 0, skip = 1, writecount = 0;
- enum write_granularity gran = write_gran_256bytes; /* FIXME */
+ enum write_granularity gran = flash->chip->gran;
/* curcontents and newcontents are opaque to walk_eraseregions, and
* need to be adjusted here to keep the impression of proper abstraction
@@ -1245,7 +1245,6 @@ static int erase_and_write_block_helper(struct flashctx *flash,
curcontents += start;
newcontents += start;
msg_cdbg(":");
- /* FIXME: Assume 256 byte granularity for now to play it safe. */
if (need_erase(curcontents, newcontents, len, gran)) {
msg_cdbg("E");
ret = erasefn(flash, start, len);
--
Kind regards, Stefan Tauner
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