diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/sdio.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c index 7f574f26cdef..7e74ac3ad815 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c @@ -3539,6 +3539,51 @@ done: return err; } +static size_t brcmf_sdio_bus_get_ramsize(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; + + return bus->ci->ramsize - bus->ci->srsize; +} + +static int brcmf_sdio_bus_get_memdump(struct device *dev, void *data, + size_t mem_size) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; + int err; + int address; + int offset; + int len; + + brcmf_dbg(INFO, "dump at 0x%08x: size=%zu\n", bus->ci->rambase, + mem_size); + + address = bus->ci->rambase; + offset = err = 0; + sdio_claim_host(sdiodev->func[1]); + while (offset < mem_size) { + len = ((offset + MEMBLOCK) < mem_size) ? MEMBLOCK : + mem_size - offset; + err = brcmf_sdiod_ramrw(sdiodev, false, address, data, len); + if (err) { + brcmf_err("error %d on reading %d membytes at 0x%08x\n", + err, len, address); + goto done; + } + data += len; + offset += len; + address += len; + } + +done: + sdio_release_host(sdiodev->func[1]); + return err; +} + void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus) { if (!bus->dpc_triggered) { @@ -3987,7 +4032,9 @@ static struct brcmf_bus_ops brcmf_sdio_bus_ops = { .txctl = brcmf_sdio_bus_txctl, .rxctl = brcmf_sdio_bus_rxctl, .gettxq = brcmf_sdio_bus_gettxq, - .wowl_config = brcmf_sdio_wowl_config + .wowl_config = brcmf_sdio_wowl_config, + .get_ramsize = brcmf_sdio_bus_get_ramsize, + .get_memdump = brcmf_sdio_bus_get_memdump, }; static void brcmf_sdio_firmware_callback(struct device *dev, |