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Fix setting the divisor in ft2232_spi

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The patch that should have improved the clock divisor setting in r1537 made
it much worse: the divisor used was from an uninitialized buffer.

Corresponding to flashrom svn r1542.

Signed-off-by: Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
This commit is contained in:
Ilya A. Volynets-Evenbakh 2012-06-14 13:08:33 +00:00 committed by Stefan Tauner
parent 316fdfbf82
commit 3464d05eb4
1 changed files with 2 additions and 2 deletions
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4
ft2232_spi.c
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@ -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));