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Diffstat (limited to 'bitbang_spi.c')
-rw-r--r--bitbang_spi.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/bitbang_spi.c b/bitbang_spi.c
index c40211970..b12d81acb 100644
--- a/bitbang_spi.c
+++ b/bitbang_spi.c
@@ -94,13 +94,18 @@ static void bitbang_spi_write_byte(const struct bitbang_spi_master *master, uint
}
}
+struct bitbang_spi_master_data {
+ const struct bitbang_spi_master *mst;
+};
+
static int bitbang_spi_send_command(const struct flashctx *flash,
unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr,
unsigned char *readarr)
{
unsigned int i;
- const struct bitbang_spi_master *master = flash->mst->spi.data;
+ const struct bitbang_spi_master_data *data = flash->mst->spi.data;
+ const struct bitbang_spi_master *master = data->mst;
/* FIXME: Run bitbang_spi_request_bus here or in programmer init?
* Requesting and releasing the SPI bus is handled in here to allow the
@@ -134,13 +139,12 @@ static const struct spi_master spi_master_bitbang = {
.write_aai = default_spi_write_aai,
};
-#if 0 // until it is needed
-static int bitbang_spi_shutdown(const struct bitbang_spi_master *master)
+static int bitbang_spi_shutdown(void *data)
{
/* FIXME: Run bitbang_spi_release_bus here or per command? */
+ free(data);
return 0;
}
-#endif
int register_spi_bitbang_master(const struct bitbang_spi_master *master)
{
@@ -155,8 +159,11 @@ int register_spi_bitbang_master(const struct bitbang_spi_master *master)
return ERROR_FLASHROM_BUG;
}
- mst.data = master;
+ struct bitbang_spi_master_data *data = calloc(1, sizeof(struct bitbang_spi_master_data));
+ data->mst = master;
+ mst.data = data;
register_spi_master(&mst);
+ register_shutdown(bitbang_spi_shutdown, data);
/* Only mess with the bus if we're sure nobody else uses it. */
bitbang_spi_request_bus(master);