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| author | stefanct <stefanct@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2012-06-14 13:08:33 +0000 |
|---|---|---|
| committer | stefanct <stefanct@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2012-06-14 13:08:33 +0000 |
| commit | c10838212a99affcfb56ae437f1bb0fefd86a8a5 (patch) | |
| tree | dc195de50c1c66b463986cdfaade23e127ee87c3 /ft2232_spi.c | |
| parent | 891533a89ba8c3f54c4c900d974144513731e2a9 (diff) | |
| download | flashrom-c10838212a99affcfb56ae437f1bb0fefd86a8a5.tar.gz | |
Fix setting the divisor in ft2232_spi.
The patch that should have improved the clock divisor setting in r1537 made
it much worse: the divisor used was from an uninitialized buffer.
Signed-off-by: Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com>
Acked-by: Stefan Tauner <stefan.tauner@student.tuwien.ac.at>
git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@1542 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'ft2232_spi.c')
| -rw-r--r-- | ft2232_spi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index d11867e..aec2fd5 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -325,12 +325,12 @@ int ft2232_spi_init(void) msg_pdbg("Set clock divisor\n"); buf[0] = 0x86; /* command "set divisor" */ + buf[1] = (divisor / 2 - 1) & 0xff; + buf[2] = ((divisor / 2 - 1) >> 8) & 0xff; if (send_buf(ftdic, buf, 3)) { ret = -6; goto ftdi_err; } - buf[1] = (divisor / 2 - 1) & 0xff; - buf[2] = ((divisor / 2 - 1) >> 8) & 0xff; msg_pdbg("MPSSE clock: %f MHz, divisor: %u, SPI clock: %f MHz\n", mpsse_clk, divisor, (double)(mpsse_clk / divisor)); |