Merge "iommu: Make termination of stalled transaction optional"
diff --git a/arch/arm/boot/dts/msm8974-cdp.dts b/arch/arm/boot/dts/msm8974-cdp.dts
index 05fcc4f..0e0f6cf 100644
--- a/arch/arm/boot/dts/msm8974-cdp.dts
+++ b/arch/arm/boot/dts/msm8974-cdp.dts
@@ -30,6 +30,10 @@
};
};
+ qcom,hdmi_tx@fd922100 {
+ status = "ok";
+ };
+
i2c@f9924000 {
atmel_mxt_ts@4a {
compatible = "atmel,mxt-ts";
diff --git a/arch/arm/boot/dts/msm8974-fluid.dts b/arch/arm/boot/dts/msm8974-fluid.dts
index b1d467e..3a7c19d 100644
--- a/arch/arm/boot/dts/msm8974-fluid.dts
+++ b/arch/arm/boot/dts/msm8974-fluid.dts
@@ -30,6 +30,10 @@
};
};
+ qcom,hdmi_tx@fd922100 {
+ status = "ok";
+ };
+
i2c@f9924000 {
atmel_mxt_ts@4a {
compatible = "atmel,mxt-ts";
diff --git a/arch/arm/boot/dts/msm8974-liquid.dts b/arch/arm/boot/dts/msm8974-liquid.dts
index bf4adaf..bc682ea 100644
--- a/arch/arm/boot/dts/msm8974-liquid.dts
+++ b/arch/arm/boot/dts/msm8974-liquid.dts
@@ -54,6 +54,10 @@
debounce-interval = <15>;
};
};
+
+ qcom,hdmi_tx@fd922100 {
+ status = "ok";
+ };
};
&pm8941_gpios {
diff --git a/arch/arm/boot/dts/msm8974-mtp.dts b/arch/arm/boot/dts/msm8974-mtp.dts
index e0d6ad3..ceb4f83 100644
--- a/arch/arm/boot/dts/msm8974-mtp.dts
+++ b/arch/arm/boot/dts/msm8974-mtp.dts
@@ -30,6 +30,10 @@
};
};
+ qcom,hdmi_tx@fd922100 {
+ status = "disabled";
+ };
+
i2c@f9924000 {
atmel_mxt_ts@4a {
compatible = "atmel,mxt-ts";
diff --git a/arch/arm/mach-msm/board-msm7627a-wlan.c b/arch/arm/mach-msm/board-msm7627a-wlan.c
index 79f213e..75395b7 100644
--- a/arch/arm/mach-msm/board-msm7627a-wlan.c
+++ b/arch/arm/mach-msm/board-msm7627a-wlan.c
@@ -23,6 +23,7 @@
#define GPIO_WLAN_3V3_EN 119
static const char *id = "WLAN";
+static bool wlan_powered_up;
enum {
WLAN_VREG_S3 = 0,
@@ -199,6 +200,11 @@
int rc = 0;
static bool init_done;
+ if (wlan_powered_up) {
+ pr_info("WLAN already powered up\n");
+ return 0;
+ }
+
if (unlikely(!init_done)) {
gpio_wlan_config();
rc = qrf6285_init_regs();
@@ -279,13 +285,17 @@
}
pr_info("WLAN power-up success\n");
+ wlan_powered_up = true;
return 0;
set_clock_fail:
setup_wlan_clock(0);
set_gpio_fail:
setup_wlan_gpio(0);
gpio_fail:
- gpio_free(gpio_wlan_sys_rest_en);
+ if (!(machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb() ||
+ machine_is_msm8625_evb() || machine_is_msm8625_evt() ||
+ machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()))
+ gpio_free(gpio_wlan_sys_rest_en);
qrd_gpio_fail:
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1())
@@ -294,6 +304,7 @@
wlan_switch_regulators(0);
out:
pr_info("WLAN power-up failed\n");
+ wlan_powered_up = false;
return rc;
}
@@ -301,6 +312,11 @@
{
int rc = 0;
+ if (!wlan_powered_up) {
+ pr_info("WLAN is not powered up, returning success\n");
+ return 0;
+ }
+
/* Disable the A0 clock */
rc = setup_wlan_clock(on);
if (rc) {
@@ -327,20 +343,12 @@
}
gpio_set_value(gpio_wlan_sys_rest_en, 0);
} else {
- rc = gpio_request(gpio_wlan_sys_rest_en, "WLAN_DEEP_SLEEP_N");
- if (!rc) {
- rc = setup_wlan_gpio(on);
- if (rc) {
- pr_err("%s: setup_wlan_gpio = %d\n",
- __func__, rc);
- goto set_gpio_fail;
- }
- gpio_free(gpio_wlan_sys_rest_en);
- } else {
- pr_err("%s: WLAN sys_rest_en GPIO %d request failed %d\n",
- __func__, gpio_wlan_sys_rest_en, rc);
- goto out;
+ rc = setup_wlan_gpio(on);
+ if (rc) {
+ pr_err("%s: setup_wlan_gpio = %d\n", __func__, rc);
+ goto set_gpio_fail;
}
+ gpio_free(gpio_wlan_sys_rest_en);
}
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
@@ -362,7 +370,7 @@
__func__, rc);
goto reg_disable;
}
-
+ wlan_powered_up = false;
pr_info("WLAN power-down success\n");
return 0;
set_clock_fail:
@@ -370,14 +378,16 @@
set_gpio_fail:
setup_wlan_gpio(0);
gpio_fail:
- gpio_free(gpio_wlan_sys_rest_en);
+ if (!(machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb() ||
+ machine_is_msm8625_evb() || machine_is_msm8625_evt() ||
+ machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()))
+ gpio_free(gpio_wlan_sys_rest_en);
qrd_gpio_fail:
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1())
gpio_free(GPIO_WLAN_3V3_EN);
reg_disable:
wlan_switch_regulators(0);
-out:
pr_info("WLAN power-down failed\n");
return rc;
}
diff --git a/arch/arm/mach-msm/lpm_resources.c b/arch/arm/mach-msm/lpm_resources.c
index 364f297..2db92f3 100644
--- a/arch/arm/mach-msm/lpm_resources.c
+++ b/arch/arm/mach-msm/lpm_resources.c
@@ -387,7 +387,7 @@
static bool msm_lpm_beyond_limits_l2(struct msm_rpmrs_limits *limits)
{
uint32_t l2;
- bool ret = true;
+ bool ret = false;
struct msm_lpm_resource *rs = &msm_lpm_l2;
if (rs->valid) {
@@ -669,7 +669,7 @@
msm_lpm_get_rpm_notif = false;
for (i = 0; i < ARRAY_SIZE(msm_lpm_resources); i++) {
rs = msm_lpm_resources[i];
- if (rs->flush)
+ if (rs->valid && rs->flush)
rs->flush(notify_rpm);
}
msm_lpm_get_rpm_notif = true;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 6de0a77..740c717 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1168,6 +1168,7 @@
usb_anchor_urb(urb, &dev->deferred);
/* no use to process more packets */
netif_stop_queue(net);
+ usb_put_urb(urb);
spin_unlock_irqrestore(&dev->txq.lock, flags);
netdev_dbg(dev->net, "Delaying transmission for resumption\n");
goto deferred;
@@ -1317,6 +1318,8 @@
cancel_work_sync(&dev->kevent);
+ usb_scuttle_anchored_urbs(&dev->deferred);
+
if (dev->driver_info->unbind)
dev->driver_info->unbind (dev, intf);
diff --git a/drivers/usb/misc/ks_bridge.c b/drivers/usb/misc/ks_bridge.c
index 61e6891..410b5c4 100644
--- a/drivers/usb/misc/ks_bridge.c
+++ b/drivers/usb/misc/ks_bridge.c
@@ -287,6 +287,9 @@
unsigned long flags;
struct ks_bridge *ksb = fp->private_data;
+ if (!test_bit(USB_DEV_CONNECTED, &ksb->flags))
+ return -ENODEV;
+
pkt = ksb_alloc_data_pkt(count, GFP_KERNEL, ksb);
if (IS_ERR(pkt)) {
pr_err("unable to allocate data packet");
@@ -570,6 +573,8 @@
struct usb_endpoint_descriptor *ep_desc;
int i;
struct ks_bridge *ksb;
+ unsigned long flags;
+ struct data_pkt *pkt;
ifc_num = ifc->cur_altsetting->desc.bInterfaceNumber;
@@ -625,6 +630,23 @@
dbg_log_event(ksb, "PID-ATT", id->idProduct, 0);
+ /*free up stale buffers if any from previous disconnect*/
+ spin_lock_irqsave(&ksb->lock, flags);
+ while (!list_empty(&ksb->to_ks_list)) {
+ pkt = list_first_entry(&ksb->to_ks_list,
+ struct data_pkt, list);
+ list_del_init(&pkt->list);
+ ksb_free_data_pkt(pkt);
+ ksb->alloced_read_pkts--;
+ }
+ while (!list_empty(&ksb->to_mdm_list)) {
+ pkt = list_first_entry(&ksb->to_mdm_list,
+ struct data_pkt, list);
+ list_del_init(&pkt->list);
+ ksb_free_data_pkt(pkt);
+ }
+ spin_unlock_irqrestore(&ksb->lock, flags);
+
ksb->fs_dev = (struct miscdevice *)id->driver_info;
misc_register(ksb->fs_dev);
@@ -674,6 +696,8 @@
cancel_work_sync(&ksb->to_mdm_work);
cancel_work_sync(&ksb->start_rx_work);
+ misc_deregister(ksb->fs_dev);
+
usb_kill_anchored_urbs(&ksb->submitted);
wait_event_interruptible_timeout(
@@ -688,6 +712,7 @@
struct data_pkt, list);
list_del_init(&pkt->list);
ksb_free_data_pkt(pkt);
+ ksb->alloced_read_pkts--;
}
while (!list_empty(&ksb->to_mdm_list)) {
pkt = list_first_entry(&ksb->to_mdm_list,
@@ -697,7 +722,6 @@
}
spin_unlock_irqrestore(&ksb->lock, flags);
- misc_deregister(ksb->fs_dev);
ifc->needs_remote_wakeup = 0;
usb_put_dev(ksb->udev);
ksb->ifc = NULL;