From: Franky Lin <frankyl@broadcom.com>
Date: Tue, 26 Jun 2012 19:26:35 +0000 (+0200)
Subject: brcmfmac: restrict dongle txglom disable to old SDIO core
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bbfd6a66ff69e3e1850bead3e30031e303581cb1;p=linux-beck.git

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 <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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) {