diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/firmware.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c index 743f16b6a072..971920f77b68 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c @@ -19,6 +19,7 @@ #include <linux/device.h> #include <linux/firmware.h> #include <linux/module.h> +#include <linux/bcm47xx_nvram.h> #include "debug.h" #include "firmware.h" @@ -426,18 +427,32 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) struct brcmf_fw *fwctx = ctx; u32 nvram_length = 0; void *nvram = NULL; + u8 *data = NULL; + size_t data_len; + bool raw_nvram; brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (!fw && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) - goto fail; + if (fw && fw->data) { + data = (u8 *)fw->data; + data_len = fw->size; + raw_nvram = false; + } else { + data = bcm47xx_nvram_get_contents(&data_len); + if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) + goto fail; + raw_nvram = true; + } - if (fw) { - nvram = brcmf_fw_nvram_strip(fw->data, fw->size, &nvram_length, + if (data) + nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length, fwctx->domain_nr, fwctx->bus_nr); + + if (raw_nvram) + bcm47xx_nvram_release_contents(data); + if (fw) release_firmware(fw); - if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) - goto fail; - } + if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) + goto fail; fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); kfree(fwctx); @@ -473,15 +488,9 @@ static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) if (!ret) return; - /* when nvram is optional call .done() callback here */ - if (fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL) { - fwctx->done(fwctx->dev, fw, NULL, 0); - kfree(fwctx); - return; - } + brcmf_fw_request_nvram_done(NULL, fwctx); + return; - /* failed nvram request */ - release_firmware(fw); fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); device_release_driver(fwctx->dev); |