[PATCH] Check if spi25 block protection could be disabled

[Carl-Daniel Hailfinger]

Check if disabling the block protection on generic SPI chips works and
complain otherwise.

This patch will also appear at the top of
http://patchwork.coreboot.org/project/flashrom/list/

arunkumarm, please download latest flashrom (at least r1072) from
subversion:
svn co svn://coreboot.org/flashrom/trunk flashrom
and then apply this patch and try to write again in verbose mode.

Signed-off-by: Carl-Daniel Hailfinger

Index: flashrom-spi25_disable_blockprotect_check/spi25.c
===================================================================
--- flashrom-spi25_disable_blockprotect_check/spi25.c	(Revision 1072)
+++ flashrom-spi25_disable_blockprotect_check/spi25.c	(Arbeitskopie)
@@ -855,6 +855,11 @@
    		msg_cerr("spi_write_status_register failed\n");
    		return result;
    	}
+		status = spi_read_status_register();
+		if ((status & 0x3c) != 0) {
+			msg_cerr("Block protection could not be disabled!\n");
+			/* Should we error out here? */
+		}
    }
    return 0;
 }