From bbfd6a66ff69e3e1850bead3e30031e303581cb1 Mon Sep 17 00:00:00 2001 From: Franky Lin Date: Tue, 26 Jun 2012 21:26:35 +0200 Subject: [PATCH] brcmfmac: restrict dongle txglom disable to old SDIO core txglomming is a firmware feature for sdio bus interface. For SDIO device cores newer than revision 11, the default setting of firmware should be used instead of disabling it from the host side. Reviewed-by: Arend van Spriel Signed-off-by: Franky Lin Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c | 6 ------ drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 15 +++++++++++++++ 2 files changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c index 1c9eb1893d29..40fa4726b4a8 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c @@ -801,7 +801,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) "event_msgs" + '\0' + bitvec */ char buf[128], *ptr; u32 dongle_align = drvr->bus_if->align; - u32 glom = 0; u32 roaming = 1; uint bcn_timeout = 3; int scan_assoc_time = 40; @@ -835,11 +834,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); - /* disable glom option per default */ - brcmf_c_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, - sizeof(iovbuf)); - /* Setup timeout if Beacons are lost and roam is off to report link down */ brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 076b7720ded9..1616c14d5f0c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -4169,6 +4169,9 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) { int ret; struct brcmf_sdio *bus; + struct brcmf_bus_dcmd *dlst; + u32 dngl_txglom; + u8 idx; brcmf_dbg(TRACE, "Enter\n"); @@ -4254,6 +4257,18 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) brcmf_sdio_debugfs_create(bus); brcmf_dbg(INFO, "completed!!\n"); + /* sdio bus core specific dcmd */ + idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV); + dlst = kzalloc(sizeof(struct brcmf_bus_dcmd), GFP_KERNEL); + if (bus->ci->c_inf[idx].rev < 12 && dlst) { + /* for sdio core rev < 12, disable txgloming */ + dngl_txglom = 0; + dlst->name = "bus:txglom"; + dlst->param = (char *)&dngl_txglom; + dlst->param_len = sizeof(u32); + list_add(&dlst->list, &bus->sdiodev->bus_if->dcmd_list); + } + /* if firmware path present try to download and bring up bus */ ret = brcmf_bus_start(bus->sdiodev->dev); if (ret != 0) { -- 2.11.0