diff options
| author | Avinash Patil <patila@marvell.com> | 2013-01-03 21:21:29 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-07 15:18:29 -0500 |
| commit | c6d1d87a10d1e5317701676c39bbec20e4651b91 (patch) | |
| tree | 138ef9a210509765b84fdd6b2ac23c06b1d2cd37 /drivers/net/wireless/mwifiex/pcie.c | |
| parent | 659c4788611f725ede2def6e4db5d8d4a59b93b5 (diff) | |
mwifiex: add init_fw_port handler for PCIe interface
This patch adds support for init_fw_port handler for PCIe
interface, which resets RXBD read pointer for PCIe.
This fixes issue where RX doesn't work until some TX from
driver happens.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index e4c2cfdd049c..191c6825a6b6 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -966,8 +966,23 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) return 0; } -/* - * This function downloads commands to the device +/* This function init rx port in firmware which in turn enables to receive data + * from device before transmitting any packet. + */ +static int mwifiex_pcie_init_fw_port(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + + /* Write the RX ring read pointer in to REG_RXBD_RDPTR */ + if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR, card->rxbd_rdptr | 0)) { + dev_err(adapter->dev, + "RECV DATA: failed to write REG_RXBD_RDPTR\n"); + return -1; + } + return 0; +} + +/* This function downloads commands to the device */ static int mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) @@ -1899,6 +1914,7 @@ static struct mwifiex_if_ops pcie_ops = { .event_complete = mwifiex_pcie_event_complete, .update_mp_end_port = NULL, .cleanup_mpa_buf = NULL, + .init_fw_port = mwifiex_pcie_init_fw_port, }; /* |