Changeset 1542 for trunk/ft2232_spi.c

Timestamp:

Jun 14, 2012 3:08:33 PM (11 months ago)

Author:

stefanct

Message:

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@…>
Acked-by: Stefan Tauner <stefan.tauner@…>

File:

• trunk/ft2232_spi.c (modified) (1 diff)

trunk/ft2232_spi.c

@@ -326 +326 @@
         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",