diff options
| author |   Xinming Hu <huxm@marvell.com> | 2016-11-18 18:07:04 +0530 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2016-11-19 09:11:06 +0200 |
| commit | 6b4480d109b0ae186a2b1e1d8c5e83de51a0497e (patch) | |
| tree | 61c4ae125813388d730a8c1762af081012d7db09 /drivers/net/wireless | |
| parent | mwifiex: don't do unbalanced free()'ing in cleanup_if() (diff) | |
| download | linux-dev-6b4480d109b0ae186a2b1e1d8c5e83de51a0497e.tar.xz linux-dev-6b4480d109b0ae186a2b1e1d8c5e83de51a0497e.zip | |
mwifiex: parse device tree node for PCIe
This patch derives device tree node from pcie bus layer framework.
Device tree bindings file has been renamed(marvell-sd8xxx.txt ->
marvell-8xxx.txt) to accommodate PCIe changes.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/pcie.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 3 |
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index 3047c1ab944a..5737cc64f211 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -37,6 +37,22 @@ static struct mwifiex_if_ops pcie_ops; static struct semaphore add_remove_card_sem; +static const struct of_device_id mwifiex_pcie_of_match_table[] = { + { .compatible = "pci11ab,2b42" }, + { .compatible = "pci1b4b,2b42" }, + { } +}; + +static int mwifiex_pcie_probe_of(struct device *dev) +{ + if (!of_match_node(mwifiex_pcie_of_match_table, dev->of_node)) { + dev_err(dev, "required compatible string missing\n"); + return -EINVAL; + } + + return 0; +} + static int mwifiex_map_pci_memory(struct mwifiex_adapter *adapter, struct sk_buff *skb, size_t size, int flags) @@ -185,6 +201,7 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct pcie_service_card *card; + int ret; pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n", pdev->vendor, pdev->device, pdev->revision); @@ -206,6 +223,13 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev, card->pcie.can_ext_scan = data->can_ext_scan; } + /* device tree node parsing and platform specific configuration*/ + if (pdev->dev.of_node) { + ret = mwifiex_pcie_probe_of(&pdev->dev); + if (ret) + return ret; + } + if (mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops, MWIFIEX_PCIE)) { pr_err("%s failed\n", __func__); diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c index 0a54e2136128..b697b61e8a10 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c @@ -2235,7 +2235,8 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init) * The cal-data can be read from device tree and/or * a configuration file and downloaded to firmware. */ - if (priv->adapter->iface_type == MWIFIEX_SDIO && + if ((priv->adapter->iface_type == MWIFIEX_SDIO || + priv->adapter->iface_type == MWIFIEX_PCIE) && adapter->dev->of_node) { adapter->dt_node = adapter->dev->of_node; if (of_property_read_u32(adapter->dt_node, |