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authorhailfinger <hailfinger@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1>2009-07-14 10:26:56 +0000
committerhailfinger <hailfinger@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1>2009-07-14 10:26:56 +0000
commitedee3683b1b451089c6f160bb3540e65354a0e24 (patch)
treec286d89dadacecee2e68b84ce5606467e9ae33e8 /wbsio_spi.c
parent3f6c540ae63303e5eb63383230c90076f7956113 (diff)
downloadflashrom-edee3683b1b451089c6f160bb3540e65354a0e24.tar.gz
Use a distinct return code for SPI commands with unsupported/invalid
length. Some drivers support only a few combinations of read/write length and return error otherwise. Having a distinct return code for this error means we can handle it in upper layers. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@653 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'wbsio_spi.c')
-rw-r--r--wbsio_spi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/wbsio_spi.c b/wbsio_spi.c
index 7876198..ded0840 100644
--- a/wbsio_spi.c
+++ b/wbsio_spi.c
@@ -154,7 +154,8 @@ int wbsio_spi_send_command(unsigned int writecnt, unsigned int readcnt,
if (!mode) {
fprintf(stderr, "%s: unsupported command type wr=%d rd=%d\n",
__func__, writecnt, readcnt);
- return 1;
+ /* Command type refers to the number of bytes read/written. */
+ return SPI_INVALID_LENGTH;
}
OUTB(writearr[0], wbsio_spibase);