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wl1271: Workaround for reference clock setting on boot.

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If the 38.4MHz reference clock is configured to the firmware, it crashes
on boot. Configuring an experimental 38.4MHz in XTAL mode allows the
firmware to boot, and everything appears to work.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-10-13 12:47:38 +03:00 committed by John W. Linville
parent 2f301227a1
commit 2cc8d4db9d
1 changed files with 8 additions and 1 deletions
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9
drivers/net/wireless/wl12xx/wl1271_init.c
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@ -196,7 +196,14 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
gen_parms->ref_clk = REF_CLK_38_4_E;
/*
* FIXME: The firmware crashes on boot with REF_CLK_38_4_E as clock.
* according to TI engineers, ref clk 5 is an unofficial
* 38.4 XTAL clock config, which seems to boot the device.
* Restore correct value once the real problem source is
* identified.
*/
gen_parms->ref_clk = 5; /* REF_CLK_38_4_E; */
/* FIXME: magic numbers */
gen_parms->settling_time = 5;
gen_parms->clk_valid_on_wakeup = 0;