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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 928983be800b..2597a534e694 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3425,6 +3425,35 @@ brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
return ret;
}
+static int brcmf_sdbrcm_bus_preinit(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;
+ u32 value;
+ u8 idx;
+ int err;
+
+ /* sdio bus core specific dcmd */
+ idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV);
+ if (bus->ci->c_inf[idx].rev < 12) {
+ /* for sdio core rev < 12, disable txgloming */
+ value = 0;
+ err = brcmf_iovar_data_set(dev, "bus:txglom", &value,
+ sizeof(u32));
+ } else {
+ /* otherwise, set txglomalign */
+ value = 4;
+ if (sdiodev->pdata)
+ value = sdiodev->pdata->sd_sgentry_align;
+ /* SDIO ADMA requires at least 32 bit alignment */
+ value = max_t(u32, value, 4);
+ err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value,
+ sizeof(u32));
+ }
+ return err;
+}
+
static int brcmf_sdbrcm_bus_init(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
@@ -3905,6 +3934,7 @@ static void brcmf_sdbrcm_release(struct brcmf_sdio *bus)
static struct brcmf_bus_ops brcmf_sdio_bus_ops = {
.stop = brcmf_sdbrcm_bus_stop,
+ .preinit = brcmf_sdbrcm_bus_preinit,
.init = brcmf_sdbrcm_bus_init,
.txdata = brcmf_sdbrcm_bus_txdata,
.txctl = brcmf_sdbrcm_bus_txctl,
@@ -3916,10 +3946,6 @@ 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;
- u32 txglomalign = 0;
- u8 idx;
brcmf_dbg(TRACE, "Enter\n");
@@ -4003,30 +4029,6 @@ 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 (dlst) {
- if (bus->ci->c_inf[idx].rev < 12) {
- /* for sdio core rev < 12, disable txgloming */
- dngl_txglom = 0;
- dlst->name = "bus:txglom";
- dlst->param = (char *)&dngl_txglom;
- dlst->param_len = sizeof(u32);
- } else {
- /* otherwise, set txglomalign */
- if (sdiodev->pdata)
- txglomalign = sdiodev->pdata->sd_sgentry_align;
- /* SDIO ADMA requires at least 32 bit alignment */
- if (txglomalign < 4)
- txglomalign = 4;
- dlst->name = "bus:txglomalign";
- dlst->param = (char *)&txglomalign;
- dlst->param_len = sizeof(u32);
- }
- list_add(&dlst->list, &bus->sdiodev->bus_if->dcmd_list);
- }
-
brcmf_bus_add_txhdrlen(bus->sdiodev->dev, bus->tx_hdrlen);
/* if firmware path present try to download and bring up bus */