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path: root/drivers/bus/mhi/pci_generic.c
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Diffstat (limited to 'drivers/bus/mhi/pci_generic.c')
-rw-r--r--drivers/bus/mhi/pci_generic.c330
1 files changed, 304 insertions, 26 deletions
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 20673a4b4a3c..7c810f02a2ef 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -14,6 +14,7 @@
#include <linux/mhi.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/pm_runtime.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
@@ -71,9 +72,9 @@ struct mhi_pci_dev_info {
.doorbell_mode_switch = false, \
}
-#define MHI_EVENT_CONFIG_CTRL(ev_ring) \
+#define MHI_EVENT_CONFIG_CTRL(ev_ring, el_count) \
{ \
- .num_elements = 64, \
+ .num_elements = el_count, \
.irq_moderation_ms = 0, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@@ -114,9 +115,69 @@ struct mhi_pci_dev_info {
.doorbell_mode_switch = true, \
}
-#define MHI_EVENT_CONFIG_DATA(ev_ring) \
+#define MHI_CHANNEL_CONFIG_UL_SBL(ch_num, ch_name, el_count, ev_ring) \
+ { \
+ .num = ch_num, \
+ .name = ch_name, \
+ .num_elements = el_count, \
+ .event_ring = ev_ring, \
+ .dir = DMA_TO_DEVICE, \
+ .ee_mask = BIT(MHI_EE_SBL), \
+ .pollcfg = 0, \
+ .doorbell = MHI_DB_BRST_DISABLE, \
+ .lpm_notify = false, \
+ .offload_channel = false, \
+ .doorbell_mode_switch = false, \
+ } \
+
+#define MHI_CHANNEL_CONFIG_DL_SBL(ch_num, ch_name, el_count, ev_ring) \
+ { \
+ .num = ch_num, \
+ .name = ch_name, \
+ .num_elements = el_count, \
+ .event_ring = ev_ring, \
+ .dir = DMA_FROM_DEVICE, \
+ .ee_mask = BIT(MHI_EE_SBL), \
+ .pollcfg = 0, \
+ .doorbell = MHI_DB_BRST_DISABLE, \
+ .lpm_notify = false, \
+ .offload_channel = false, \
+ .doorbell_mode_switch = false, \
+ }
+
+#define MHI_CHANNEL_CONFIG_UL_FP(ch_num, ch_name, el_count, ev_ring) \
+ { \
+ .num = ch_num, \
+ .name = ch_name, \
+ .num_elements = el_count, \
+ .event_ring = ev_ring, \
+ .dir = DMA_TO_DEVICE, \
+ .ee_mask = BIT(MHI_EE_FP), \
+ .pollcfg = 0, \
+ .doorbell = MHI_DB_BRST_DISABLE, \
+ .lpm_notify = false, \
+ .offload_channel = false, \
+ .doorbell_mode_switch = false, \
+ } \
+
+#define MHI_CHANNEL_CONFIG_DL_FP(ch_num, ch_name, el_count, ev_ring) \
+ { \
+ .num = ch_num, \
+ .name = ch_name, \
+ .num_elements = el_count, \
+ .event_ring = ev_ring, \
+ .dir = DMA_FROM_DEVICE, \
+ .ee_mask = BIT(MHI_EE_FP), \
+ .pollcfg = 0, \
+ .doorbell = MHI_DB_BRST_DISABLE, \
+ .lpm_notify = false, \
+ .offload_channel = false, \
+ .doorbell_mode_switch = false, \
+ }
+
+#define MHI_EVENT_CONFIG_DATA(ev_ring, el_count) \
{ \
- .num_elements = 128, \
+ .num_elements = el_count, \
.irq_moderation_ms = 5, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@@ -127,9 +188,9 @@ struct mhi_pci_dev_info {
.offload_channel = false, \
}
-#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, ch_num) \
+#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, el_count, ch_num) \
{ \
- .num_elements = 2048, \
+ .num_elements = el_count, \
.irq_moderation_ms = 1, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@@ -150,21 +211,23 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
MHI_CHANNEL_CONFIG_DL(15, "QMI", 4, 0),
MHI_CHANNEL_CONFIG_UL(20, "IPCR", 8, 0),
MHI_CHANNEL_CONFIG_DL(21, "IPCR", 8, 0),
+ MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2),
MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 128, 3),
};
static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
/* first ring is control+data ring */
- MHI_EVENT_CONFIG_CTRL(0),
+ MHI_EVENT_CONFIG_CTRL(0, 64),
/* DIAG dedicated event ring */
- MHI_EVENT_CONFIG_DATA(1),
+ MHI_EVENT_CONFIG_DATA(1, 128),
/* Hardware channels request dedicated hardware event rings */
- MHI_EVENT_CONFIG_HW_DATA(2, 100),
- MHI_EVENT_CONFIG_HW_DATA(3, 101)
+ MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
+ MHI_EVENT_CONFIG_HW_DATA(3, 2048, 101)
};
-static struct mhi_controller_config modem_qcom_v1_mhiv_config = {
+static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {
.max_channels = 128,
.timeout_ms = 8000,
.num_channels = ARRAY_SIZE(modem_qcom_v1_mhi_channels),
@@ -173,6 +236,15 @@ static struct mhi_controller_config modem_qcom_v1_mhiv_config = {
.event_cfg = modem_qcom_v1_mhi_events,
};
+static const struct mhi_pci_dev_info mhi_qcom_sdx65_info = {
+ .name = "qcom-sdx65m",
+ .fw = "qcom/sdx65m/xbl.elf",
+ .edl = "qcom/sdx65m/edl.mbn",
+ .config = &modem_qcom_v1_mhiv_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32
+};
+
static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
.name = "qcom-sdx55m",
.fw = "qcom/sdx55m/sbl1.mbn",
@@ -182,15 +254,121 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
.dma_data_width = 32
};
+static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = {
+ .name = "qcom-sdx24",
+ .edl = "qcom/prog_firehose_sdx24.mbn",
+ .config = &modem_qcom_v1_mhiv_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32
+};
+
+static const struct mhi_channel_config mhi_quectel_em1xx_channels[] = {
+ MHI_CHANNEL_CONFIG_UL(0, "NMEA", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(1, "NMEA", 32, 0),
+ MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
+ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
+ MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
+ /* The EDL firmware is a flash-programmer exposing firehose protocol */
+ MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
+ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
+ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
+};
+
+static struct mhi_event_config mhi_quectel_em1xx_events[] = {
+ MHI_EVENT_CONFIG_CTRL(0, 128),
+ MHI_EVENT_CONFIG_DATA(1, 128),
+ MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
+ MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
+};
+
+static const struct mhi_controller_config modem_quectel_em1xx_config = {
+ .max_channels = 128,
+ .timeout_ms = 20000,
+ .num_channels = ARRAY_SIZE(mhi_quectel_em1xx_channels),
+ .ch_cfg = mhi_quectel_em1xx_channels,
+ .num_events = ARRAY_SIZE(mhi_quectel_em1xx_events),
+ .event_cfg = mhi_quectel_em1xx_events,
+};
+
+static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
+ .name = "quectel-em1xx",
+ .edl = "qcom/prog_firehose_sdx24.mbn",
+ .config = &modem_quectel_em1xx_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32
+};
+
+static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
+ MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
+ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
+ MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
+ MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
+ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
+ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
+};
+
+static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
+ MHI_EVENT_CONFIG_CTRL(0, 128),
+ MHI_EVENT_CONFIG_DATA(1, 128),
+ MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
+ MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
+};
+
+static const struct mhi_controller_config modem_foxconn_sdx55_config = {
+ .max_channels = 128,
+ .timeout_ms = 20000,
+ .num_channels = ARRAY_SIZE(mhi_foxconn_sdx55_channels),
+ .ch_cfg = mhi_foxconn_sdx55_channels,
+ .num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
+ .event_cfg = mhi_foxconn_sdx55_events,
+};
+
+static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
+ .name = "foxconn-sdx55",
+ .fw = "qcom/sdx55m/sbl1.mbn",
+ .edl = "qcom/sdx55m/edl.mbn",
+ .config = &modem_foxconn_sdx55_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32
+};
+
static const struct pci_device_id mhi_pci_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
.driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
+ { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),
+ .driver_data = (kernel_ulong_t) &mhi_qcom_sdx24_info },
+ { PCI_DEVICE(0x1eac, 0x1001), /* EM120R-GL (sdx24) */
+ .driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
+ { PCI_DEVICE(0x1eac, 0x1002), /* EM160R-GL (sdx24) */
+ .driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
+ { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
+ .driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
+ /* T99W175 (sdx55), Both for eSIM and Non-eSIM */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ /* DW5930e (sdx55), With eSIM, It's also T99W175 */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+ /* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
+ { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
+ .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
{ }
};
MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
enum mhi_pci_device_status {
MHI_PCI_DEV_STARTED,
+ MHI_PCI_DEV_SUSPENDED,
};
struct mhi_pci_device {
@@ -224,12 +402,31 @@ static void mhi_pci_status_cb(struct mhi_controller *mhi_cntrl,
case MHI_CB_FATAL_ERROR:
case MHI_CB_SYS_ERROR:
dev_warn(&pdev->dev, "firmware crashed (%u)\n", cb);
+ pm_runtime_forbid(&pdev->dev);
+ break;
+ case MHI_CB_EE_MISSION_MODE:
+ pm_runtime_allow(&pdev->dev);
break;
default:
break;
}
}
+static void mhi_pci_wake_get_nop(struct mhi_controller *mhi_cntrl, bool force)
+{
+ /* no-op */
+}
+
+static void mhi_pci_wake_put_nop(struct mhi_controller *mhi_cntrl, bool override)
+{
+ /* no-op */
+}
+
+static void mhi_pci_wake_toggle_nop(struct mhi_controller *mhi_cntrl)
+{
+ /* no-op */
+}
+
static bool mhi_pci_is_alive(struct mhi_controller *mhi_cntrl)
{
struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev);
@@ -330,13 +527,19 @@ static int mhi_pci_get_irqs(struct mhi_controller *mhi_cntrl,
static int mhi_pci_runtime_get(struct mhi_controller *mhi_cntrl)
{
- /* no PM for now */
- return 0;
+ /* The runtime_get() MHI callback means:
+ * Do whatever is requested to leave M3.
+ */
+ return pm_runtime_get(mhi_cntrl->cntrl_dev);
}
static void mhi_pci_runtime_put(struct mhi_controller *mhi_cntrl)
{
- /* no PM for now */
+ /* The runtime_put() MHI callback means:
+ * Device can be moved in M3 state.
+ */
+ pm_runtime_mark_last_busy(mhi_cntrl->cntrl_dev);
+ pm_runtime_put(mhi_cntrl->cntrl_dev);
}
static void mhi_pci_recovery_work(struct work_struct *work)
@@ -350,6 +553,7 @@ static void mhi_pci_recovery_work(struct work_struct *work)
dev_warn(&pdev->dev, "device recovery started\n");
del_timer(&mhi_pdev->health_check_timer);
+ pm_runtime_forbid(&pdev->dev);
/* Clean up MHI state */
if (test_and_clear_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status)) {
@@ -357,7 +561,6 @@ static void mhi_pci_recovery_work(struct work_struct *work)
mhi_unprepare_after_power_down(mhi_cntrl);
}
- /* Check if we can recover without full reset */
pci_set_power_state(pdev, PCI_D0);
pci_load_saved_state(pdev, mhi_pdev->pci_state);
pci_restore_state(pdev);
@@ -391,6 +594,10 @@ static void health_check(struct timer_list *t)
struct mhi_pci_device *mhi_pdev = from_timer(mhi_pdev, t, health_check_timer);
struct mhi_controller *mhi_cntrl = &mhi_pdev->mhi_cntrl;
+ if (!test_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status) ||
+ test_bit(MHI_PCI_DEV_SUSPENDED, &mhi_pdev->status))
+ return;
+
if (!mhi_pci_is_alive(mhi_cntrl)) {
dev_err(mhi_cntrl->cntrl_dev, "Device died\n");
queue_work(system_long_wq, &mhi_pdev->recovery_work);
@@ -433,6 +640,9 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mhi_cntrl->status_cb = mhi_pci_status_cb;
mhi_cntrl->runtime_get = mhi_pci_runtime_get;
mhi_cntrl->runtime_put = mhi_pci_runtime_put;
+ mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
+ mhi_cntrl->wake_put = mhi_pci_wake_put_nop;
+ mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop;
err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(info->dma_data_width));
if (err)
@@ -444,9 +654,12 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, mhi_pdev);
- /* Have stored pci confspace at hand for restore in sudden PCI error */
+ /* Have stored pci confspace at hand for restore in sudden PCI error.
+ * cache the state locally and discard the PCI core one.
+ */
pci_save_state(pdev);
mhi_pdev->pci_state = pci_store_saved_state(pdev);
+ pci_load_saved_state(pdev, NULL);
pci_enable_pcie_error_reporting(pdev);
@@ -472,6 +685,14 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* start health check */
mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+ /* Only allow runtime-suspend if PME capable (for wakeup) */
+ if (pci_pme_capable(pdev, PCI_D3hot)) {
+ pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
+ pm_runtime_use_autosuspend(&pdev->dev);
+ pm_runtime_mark_last_busy(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
+ }
+
return 0;
err_unprepare:
@@ -495,9 +716,19 @@ static void mhi_pci_remove(struct pci_dev *pdev)
mhi_unprepare_after_power_down(mhi_cntrl);
}
+ /* balancing probe put_noidle */
+ if (pci_pme_capable(pdev, PCI_D3hot))
+ pm_runtime_get_noresume(&pdev->dev);
+
mhi_unregister_controller(mhi_cntrl);
}
+static void mhi_pci_shutdown(struct pci_dev *pdev)
+{
+ mhi_pci_remove(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+}
+
static void mhi_pci_reset_prepare(struct pci_dev *pdev)
{
struct mhi_pci_device *mhi_pdev = pci_get_drvdata(pdev);
@@ -605,41 +836,59 @@ static const struct pci_error_handlers mhi_pci_err_handler = {
.reset_done = mhi_pci_reset_done,
};
-static int __maybe_unused mhi_pci_suspend(struct device *dev)
+static int __maybe_unused mhi_pci_runtime_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct mhi_pci_device *mhi_pdev = dev_get_drvdata(dev);
struct mhi_controller *mhi_cntrl = &mhi_pdev->mhi_cntrl;
+ int err;
+
+ if (test_and_set_bit(MHI_PCI_DEV_SUSPENDED, &mhi_pdev->status))
+ return 0;
del_timer(&mhi_pdev->health_check_timer);
cancel_work_sync(&mhi_pdev->recovery_work);
+ if (!test_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status) ||
+ mhi_cntrl->ee != MHI_EE_AMSS)
+ goto pci_suspend; /* Nothing to do at MHI level */
+
/* Transition to M3 state */
- mhi_pm_suspend(mhi_cntrl);
+ err = mhi_pm_suspend(mhi_cntrl);
+ if (err) {
+ dev_err(&pdev->dev, "failed to suspend device: %d\n", err);
+ clear_bit(MHI_PCI_DEV_SUSPENDED, &mhi_pdev->status);
+ return -EBUSY;
+ }
- pci_save_state(pdev);
+pci_suspend:
pci_disable_device(pdev);
pci_wake_from_d3(pdev, true);
- pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
-static int __maybe_unused mhi_pci_resume(struct device *dev)
+static int __maybe_unused mhi_pci_runtime_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct mhi_pci_device *mhi_pdev = dev_get_drvdata(dev);
struct mhi_controller *mhi_cntrl = &mhi_pdev->mhi_cntrl;
int err;
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
- pci_set_master(pdev);
+ if (!test_and_clear_bit(MHI_PCI_DEV_SUSPENDED, &mhi_pdev->status))
+ return 0;
err = pci_enable_device(pdev);
if (err)
goto err_recovery;
+ pci_set_master(pdev);
+ pci_wake_from_d3(pdev, false);
+
+ if (!test_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status) ||
+ mhi_cntrl->ee != MHI_EE_AMSS)
+ return 0; /* Nothing to do at MHI level */
+
/* Exit M3, transition to M0 state */
err = mhi_pm_resume(mhi_cntrl);
if (err) {
@@ -650,16 +899,44 @@ static int __maybe_unused mhi_pci_resume(struct device *dev)
/* Resume health check */
mod_timer(&mhi_pdev->health_check_timer, jiffies + HEALTH_CHECK_PERIOD);
+ /* It can be a remote wakeup (no mhi runtime_get), update access time */
+ pm_runtime_mark_last_busy(dev);
+
return 0;
err_recovery:
- /* The device may have loose power or crashed, try recovering it */
+ /* Do not fail to not mess up our PCI device state, the device likely
+ * lost power (d3cold) and we simply need to reset it from the recovery
+ * procedure, trigger the recovery asynchronously to prevent system
+ * suspend exit delaying.
+ */
queue_work(system_long_wq, &mhi_pdev->recovery_work);
+ pm_runtime_mark_last_busy(dev);
- return err;
+ return 0;
+}
+
+static int __maybe_unused mhi_pci_suspend(struct device *dev)
+{
+ pm_runtime_disable(dev);
+ return mhi_pci_runtime_suspend(dev);
+}
+
+static int __maybe_unused mhi_pci_resume(struct device *dev)
+{
+ int ret;
+
+ /* Depending the platform, device may have lost power (d3cold), we need
+ * to resume it now to check its state and recover when necessary.
+ */
+ ret = mhi_pci_runtime_resume(dev);
+ pm_runtime_enable(dev);
+
+ return ret;
}
static const struct dev_pm_ops mhi_pci_pm_ops = {
+ SET_RUNTIME_PM_OPS(mhi_pci_runtime_suspend, mhi_pci_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(mhi_pci_suspend, mhi_pci_resume)
};
@@ -668,6 +945,7 @@ static struct pci_driver mhi_pci_driver = {
.id_table = mhi_pci_id_table,
.probe = mhi_pci_probe,
.remove = mhi_pci_remove,
+ .shutdown = mhi_pci_shutdown,
.err_handler = &mhi_pci_err_handler,
.driver.pm = &mhi_pci_pm_ops
};