Hi Elvis, On Wed, Oct 27, 2010 at 7:59 PM, Elvis Dowson <elvis.dowson@xxxxxxx> wrote: > To which device does board_ref_clock refer to? An external clock hardwired to your device. You should ask the vendor of your board which one is it. > On my board, the SDIO CLK line from the MMC2 controller is connected to the LSR TiWi wlan module. This has nothing to do with the SDIO clk. > What is the impact of not specifying a board_ref_clock? Bad timing issues. Expect bad WLAN behavior (but not poof of smoke). PS - please don't CC LKML on these issues. for wl1271 questions, please CC linux-wireless Thanks, Ohad. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html