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-rw-r--r--drivers/net/wireless/marvell/libertas/ethtool.c9
-rw-r--r--drivers/net/wireless/marvell/mwifiex/Makefile1
-rw-r--r--drivers/net/wireless/marvell/mwifiex/cmdevt.c2
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie.c11
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie.h1
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie_quirks.c161
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie_quirks.h23
-rw-r--r--drivers/net/wireless/marvell/mwifiex/sta_ioctl.c4
-rw-r--r--drivers/net/wireless/marvell/mwifiex/usb.h2
9 files changed, 204 insertions, 10 deletions
diff --git a/drivers/net/wireless/marvell/libertas/ethtool.c b/drivers/net/wireless/marvell/libertas/ethtool.c
index 1bb8746a0b23..d8e4f29b690d 100644
--- a/drivers/net/wireless/marvell/libertas/ethtool.c
+++ b/drivers/net/wireless/marvell/libertas/ethtool.c
@@ -43,10 +43,8 @@ static int lbs_ethtool_get_eeprom(struct net_device *dev,
int ret;
if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
- eeprom->len > LBS_EEPROM_READ_LEN) {
- ret = -EINVAL;
- goto out;
- }
+ eeprom->len > LBS_EEPROM_READ_LEN)
+ return -EINVAL;
cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
LBS_EEPROM_READ_LEN + eeprom->len);
@@ -57,8 +55,7 @@ static int lbs_ethtool_get_eeprom(struct net_device *dev,
if (!ret)
memcpy(bytes, cmd.value, eeprom->len);
-out:
- return ret;
+ return ret;
}
static void lbs_ethtool_get_wol(struct net_device *dev,
diff --git a/drivers/net/wireless/marvell/mwifiex/Makefile b/drivers/net/wireless/marvell/mwifiex/Makefile
index 162d557b78af..2bd00f40958e 100644
--- a/drivers/net/wireless/marvell/mwifiex/Makefile
+++ b/drivers/net/wireless/marvell/mwifiex/Makefile
@@ -49,6 +49,7 @@ mwifiex_sdio-y += sdio.o
obj-$(CONFIG_MWIFIEX_SDIO) += mwifiex_sdio.o
mwifiex_pcie-y += pcie.o
+mwifiex_pcie-y += pcie_quirks.o
obj-$(CONFIG_MWIFIEX_PCIE) += mwifiex_pcie.o
mwifiex_usb-y += usb.o
diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
index 3a11342a6bde..171a25742600 100644
--- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
@@ -187,7 +187,7 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data);
/* Sanity test */
- if (host_cmd == NULL || host_cmd->size == 0) {
+ if (host_cmd->size == 0) {
mwifiex_dbg(adapter, ERROR,
"DNLD_CMD: host_cmd is null\t"
"or cmd size is 0, not sending\n");
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 46517515ba72..c6ccce426b49 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -27,6 +27,7 @@
#include "wmm.h"
#include "11n.h"
#include "pcie.h"
+#include "pcie_quirks.h"
#define PCIE_VERSION "1.0"
#define DRV_NAME "Marvell mwifiex PCIe"
@@ -410,6 +411,9 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
return ret;
}
+ /* check quirks */
+ mwifiex_initialize_quirks(card);
+
if (mwifiex_add_card(card, &card->fw_done, &pcie_ops,
MWIFIEX_PCIE, &pdev->dev)) {
pr_err("%s failed\n", __func__);
@@ -524,6 +528,13 @@ static void mwifiex_pcie_reset_prepare(struct pci_dev *pdev)
mwifiex_shutdown_sw(adapter);
clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
+
+ /* On MS Surface gen4+ devices FLR isn't effective to recover from
+ * hangups, so we power-cycle the card instead.
+ */
+ if (card->quirks & QUIRK_FW_RST_D3COLD)
+ mwifiex_pcie_reset_d3cold_quirk(pdev);
+
mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
card->pci_reset_ongoing = true;
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.h b/drivers/net/wireless/marvell/mwifiex/pcie.h
index 5ed613d65709..981e330c77d7 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.h
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.h
@@ -244,6 +244,7 @@ struct pcie_service_card {
unsigned long work_flags;
bool pci_reset_ongoing;
+ unsigned long quirks;
};
static inline int
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie_quirks.c b/drivers/net/wireless/marvell/mwifiex/pcie_quirks.c
new file mode 100644
index 000000000000..0234cf3c2974
--- /dev/null
+++ b/drivers/net/wireless/marvell/mwifiex/pcie_quirks.c
@@ -0,0 +1,161 @@
+/*
+ * NXP Wireless LAN device driver: PCIE and platform specific quirks
+ *
+ * This software file (the "File") is distributed by NXP
+ * under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include <linux/dmi.h>
+
+#include "pcie_quirks.h"
+
+/* quirk table based on DMI matching */
+static const struct dmi_system_id mwifiex_quirk_table[] = {
+ {
+ .ident = "Surface Pro 4",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Pro 4"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Pro 5",
+ .matches = {
+ /* match for SKU here due to generic product name "Surface Pro" */
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "Surface_Pro_1796"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Pro 5 (LTE)",
+ .matches = {
+ /* match for SKU here due to generic product name "Surface Pro" */
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "Surface_Pro_1807"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Pro 6",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Pro 6"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Book 1",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Book"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Book 2",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Book 2"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Laptop 1",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Laptop"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {
+ .ident = "Surface Laptop 2",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Laptop 2"),
+ },
+ .driver_data = (void *)QUIRK_FW_RST_D3COLD,
+ },
+ {}
+};
+
+void mwifiex_initialize_quirks(struct pcie_service_card *card)
+{
+ struct pci_dev *pdev = card->dev;
+ const struct dmi_system_id *dmi_id;
+
+ dmi_id = dmi_first_match(mwifiex_quirk_table);
+ if (dmi_id)
+ card->quirks = (uintptr_t)dmi_id->driver_data;
+
+ if (!card->quirks)
+ dev_info(&pdev->dev, "no quirks enabled\n");
+ if (card->quirks & QUIRK_FW_RST_D3COLD)
+ dev_info(&pdev->dev, "quirk reset_d3cold enabled\n");
+}
+
+static void mwifiex_pcie_set_power_d3cold(struct pci_dev *pdev)
+{
+ dev_info(&pdev->dev, "putting into D3cold...\n");
+
+ pci_save_state(pdev);
+ if (pci_is_enabled(pdev))
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3cold);
+}
+
+static int mwifiex_pcie_set_power_d0(struct pci_dev *pdev)
+{
+ int ret;
+
+ dev_info(&pdev->dev, "putting into D0...\n");
+
+ pci_set_power_state(pdev, PCI_D0);
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "pci_enable_device failed\n");
+ return ret;
+ }
+ pci_restore_state(pdev);
+
+ return 0;
+}
+
+int mwifiex_pcie_reset_d3cold_quirk(struct pci_dev *pdev)
+{
+ struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
+ int ret;
+
+ /* Power-cycle (put into D3cold then D0) */
+ dev_info(&pdev->dev, "Using reset_d3cold quirk to perform FW reset\n");
+
+ /* We need to perform power-cycle also for bridge of wifi because
+ * on some devices (e.g. Surface Book 1), the OS for some reasons
+ * can't know the real power state of the bridge.
+ * When tried to power-cycle only wifi, the reset failed with the
+ * following dmesg log:
+ * "Cannot transition to power state D0 for parent in D3hot".
+ */
+ mwifiex_pcie_set_power_d3cold(pdev);
+ mwifiex_pcie_set_power_d3cold(parent_pdev);
+
+ ret = mwifiex_pcie_set_power_d0(parent_pdev);
+ if (ret)
+ return ret;
+ ret = mwifiex_pcie_set_power_d0(pdev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie_quirks.h b/drivers/net/wireless/marvell/mwifiex/pcie_quirks.h
new file mode 100644
index 000000000000..8ec4176d698f
--- /dev/null
+++ b/drivers/net/wireless/marvell/mwifiex/pcie_quirks.h
@@ -0,0 +1,23 @@
+/*
+ * NXP Wireless LAN device driver: PCIE and platform specific quirks
+ *
+ * This software file (the "File") is distributed by NXP
+ * under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include "pcie.h"
+
+#define QUIRK_FW_RST_D3COLD BIT(0)
+
+void mwifiex_initialize_quirks(struct pcie_service_card *card);
+int mwifiex_pcie_reset_d3cold_quirk(struct pci_dev *pdev);
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
index 653f9e094256..4062e515697a 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
@@ -1325,8 +1325,8 @@ mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
u16 ie_len)
{
struct ieee_types_vendor_header *pvendor_ie;
- const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
- const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
+ static const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
+ static const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
u16 unparsed_len = ie_len, cur_ie_len;
/* If the passed length is zero, reset the buffer */
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.h b/drivers/net/wireless/marvell/mwifiex/usb.h
index d822ec15b7e6..61a96b7fbf21 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.h
+++ b/drivers/net/wireless/marvell/mwifiex/usb.h
@@ -134,7 +134,7 @@ struct fw_sync_header {
struct fw_data {
struct fw_header fw_hdr;
__le32 seq_num;
- u8 data[1];
+ u8 data[];
} __packed;
#endif /*_MWIFIEX_USB_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-16 01:03:28 +0300