Author: kevlo
Date: Fri Mar 14 06:38:22 2014
New Revision: 263154
URL: http://svnweb.freebsd.org/changeset/base/263154
Log:
Reset the bit of the R92C_MCUFWDL associated with checksum report
before loading firmware page. It may fix this problem:
"urtwn0: timeout waiting for checksum report"
Modified:
head/sys/dev/usb/wlan/if_urtwn.c
Modified: head/sys/dev/usb/wlan/if_urtwn.c
==============================================================================
--- head/sys/dev/usb/wlan/if_urtwn.c Fri Mar 14 06:37:08 2014
(r263153)
+++ head/sys/dev/usb/wlan/if_urtwn.c Fri Mar 14 06:38:22 2014
(r263154)
@@ -2098,6 +2098,10 @@ urtwn_load_firmware(struct urtwn_softc *
urtwn_write_1(sc, R92C_MCUFWDL + 2,
urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08);
+ /* Reset the FWDL checksum. */
+ urtwn_write_1(sc, R92C_MCUFWDL,
+ urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_CHKSUM_RPT);
+
for (page = 0; len > 0; page++) {
mlen = min(len, R92C_FW_PAGE_SIZE);
error = urtwn_fw_loadpage(sc, page, ptr, mlen);
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