Simon Buhrow has uploaded this change for review.

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ft2232_spi.c: change the chunksize to 280

Signed-off-by: Simon Buhrow <simon.buhrow@posteo.de>
Change-Id: I5e096937834fc8fc8623c8c59ade529de081b72a
---
M ft2232_spi.c
1 file changed, 12 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/82/43282/1

diff --git a/ft2232_spi.c b/ft2232_spi.c
index 0799af4..0a8d631 100644
--- a/ft2232_spi.c
+++ b/ft2232_spi.c
@@ -398,7 +398,18 @@
 		msg_perr("Unable to set latency timer (%s).\n", ftdi_get_error_string(ftdic));
 	}
 
-	if (ftdi_write_data_set_chunksize(ftdic, 270)) {
+	if (ftdi_write_data_set_chunksize(ftdic, 280)) {
+		/*
+		* 280 bytes =
+		*   + 9 B (CMD)
+		*   + 1 B (WREN)
+		*   + 9 B (CMD)
+		*   + 1 B (op)
+		*   + 4 B (addr)
+		*   + 256 B (page data)
+		*
+		* With op: PageProgram or Erase; CMD: FTDI-Chip commands
+		*/
 		msg_perr("Unable to set chunk size (%s).\n", ftdi_get_error_string(ftdic));
 	}
 

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