diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 00679a990e3d..6bc107476a2a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -455,6 +455,11 @@ static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, if (sg_data_sz > max_req_sz - req_sz) sg_data_sz = max_req_sz - req_sz; + if (!sgl) { + /* out of (pre-allocated) scatterlist entries */ + ret = -ENOMEM; + goto exit; + } sg_set_buf(sgl, pkt_data, sg_data_sz); sg_cnt++; @@ -770,7 +775,7 @@ void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) nents = max_t(uint, BRCMF_DEFAULT_RXGLOM_SIZE, sdiodev->settings->bus.sdio.txglomsz); - nents += (nents >> 4) + 1; + nents *= 2; WARN_ON(nents > sdiodev->max_segment_count); @@ -947,8 +952,8 @@ int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) /* try to attach to the target device */ sdiodev->bus = brcmf_sdio_probe(sdiodev); - if (!sdiodev->bus) { - ret = -ENODEV; + if (IS_ERR(sdiodev->bus)) { + ret = PTR_ERR(sdiodev->bus); goto out; } brcmf_sdiod_host_fixup(sdiodev->func2->card->host); @@ -1061,10 +1066,10 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, if (func->num != 2) return -ENODEV; - bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL); + bus_if = kzalloc(sizeof(*bus_if), GFP_KERNEL); if (!bus_if) return -ENOMEM; - sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL); + sdiodev = kzalloc(sizeof(*sdiodev), GFP_KERNEL); if (!sdiodev) { kfree(bus_if); return -ENOMEM; @@ -1167,6 +1172,7 @@ static int brcmf_ops_sdio_suspend(struct device *dev) struct brcmf_bus *bus_if; struct brcmf_sdio_dev *sdiodev; mmc_pm_flag_t sdio_flags; + bool cap_power_off; int ret = 0; func = container_of(dev, struct sdio_func, dev); @@ -1174,19 +1180,23 @@ static int brcmf_ops_sdio_suspend(struct device *dev) if (func->num != 1) return 0; + cap_power_off = !!(func->card->host->caps & MMC_CAP_POWER_OFF_CARD); bus_if = dev_get_drvdata(dev); sdiodev = bus_if->bus_priv.sdio; - if (sdiodev->wowl_enabled) { + if (sdiodev->wowl_enabled || !cap_power_off) { brcmf_sdiod_freezer_on(sdiodev); brcmf_sdio_wd_timer(sdiodev->bus, 0); sdio_flags = MMC_PM_KEEP_POWER; - if (sdiodev->settings->bus.sdio.oob_irq_supported) - enable_irq_wake(sdiodev->settings->bus.sdio.oob_irq_nr); - else - sdio_flags |= MMC_PM_WAKE_SDIO_IRQ; + + if (sdiodev->wowl_enabled) { + if (sdiodev->settings->bus.sdio.oob_irq_supported) + enable_irq_wake(sdiodev->settings->bus.sdio.oob_irq_nr); + else + sdio_flags |= MMC_PM_WAKE_SDIO_IRQ; + } if (sdio_set_host_pm_flags(sdiodev->func1, sdio_flags)) brcmf_err("Failed to set pm_flags %x\n", sdio_flags); @@ -1208,18 +1218,19 @@ static int brcmf_ops_sdio_resume(struct device *dev) struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; struct sdio_func *func = container_of(dev, struct sdio_func, dev); int ret = 0; + bool cap_power_off = !!(func->card->host->caps & MMC_CAP_POWER_OFF_CARD); brcmf_dbg(SDIO, "Enter: F%d\n", func->num); if (func->num != 2) return 0; - if (!sdiodev->wowl_enabled) { + if (!sdiodev->wowl_enabled && cap_power_off) { /* bus was powered off and device removed, probe again */ ret = brcmf_sdiod_probe(sdiodev); if (ret) brcmf_err("Failed to probe device on resume\n"); } else { - if (sdiodev->settings->bus.sdio.oob_irq_supported) + if (sdiodev->wowl_enabled && sdiodev->settings->bus.sdio.oob_irq_supported) disable_irq_wake(sdiodev->settings->bus.sdio.oob_irq_nr); brcmf_sdiod_freezer_off(sdiodev); @@ -1238,7 +1249,6 @@ static struct sdio_driver brcmf_sdmmc_driver = { .name = KBUILD_MODNAME, .id_table = brcmf_sdmmc_ids, .drv = { - .owner = THIS_MODULE, .pm = pm_sleep_ptr(&brcmf_sdio_pm_ops), .coredump = brcmf_dev_coredump, }, |