brcmfmac: assure active clock request upon entering SLEEP state

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When the SDIO driver goes in low power state it must assure that
a clock request in ChipCLKCSR is set. Otherwise waking up the
device can fail. The register is read and if necessary the ALP
clock will be requested.

Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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Arend van Spriel 2014-03-15 17:18:20 +01:00 • committed by John W. Linville

parent 63dd99e699

commit 8a385ba542

1 changed files with 28 additions and 11 deletions

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39

drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c

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