brcmfmac: handle SDIO card removal

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When removing the card the driver still tries to access registers
in the device. This patch adds another state for the bus that
indicates the device is no longer reachable. This avoids errors
accessing it while cleaning up the driver.

Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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 2014-01-13 22:20:29 +01:00 • committed by John W. Linville

parent 2668b0b16c

commit bb350711ec

5 changed files with 102 additions and 87 deletions

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40

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

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21

drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h

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4

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

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118

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

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4

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

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