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brcmfmac: firmware shared data version fix

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Firware shared data structure is backward compatible for fields
we are interested in.
Allow reading of shared data in case of version mismatch.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Piotr Haber 2013-04-05 10:57:43 +02:00 committed by John W. Linville
parent baa9e60927
commit 86dcd937c1
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
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@ -2721,8 +2721,8 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus,
sh->console_addr = le32_to_cpu(sh_le.console_addr);
sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr);
if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) {
brcmf_err("sdpcm_shared version mismatch: dhd %d dongle %d\n",
if ((sh->flags & SDPCM_SHARED_VERSION_MASK) > SDPCM_SHARED_VERSION) {
brcmf_err("sdpcm shared version unsupported: dhd %d dongle %d\n",
SDPCM_SHARED_VERSION,
sh->flags & SDPCM_SHARED_VERSION_MASK);
return -EPROTO;