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Merge "pci: msm: Dump PCIe registers upon WAKE assertion"

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qctecmdr 2020-12-08 23:22:31 -08:00 • committed by Gerrit - the friendly Code Review server
commit aa01bdf5fa
1 changed files with 14 additions and 7 deletions
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21
drivers/pci/controller/pci-msm.c
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@ -721,7 +721,6 @@ struct msm_pcie_dev_t {
bool enumerated;
struct work_struct handle_wake_work;
struct mutex recovery_lock;
spinlock_t wakeup_lock;
spinlock_t irq_lock;
struct mutex aspm_lock;
int prevent_l1;
@ -768,6 +767,8 @@ struct msm_pcie_dev_t {
int drv_disable_pc_vote;
struct mutex drv_pc_lock;
bool drv_supported;
void (*rumi_init)(struct msm_pcie_dev_t *pcie_dev);
};
@ -4799,7 +4800,7 @@ static irqreturn_t handle_wake_irq(int irq, void *data)
unsigned long irqsave_flags;
int i;
spin_lock_irqsave(&dev->wakeup_lock, irqsave_flags);
spin_lock_irqsave(&dev->irq_lock, irqsave_flags);
dev->wake_counter++;
PCIE_DBG(dev, "PCIe: No. %ld wake IRQ for RC%d\n",
@ -4825,11 +4826,18 @@ static irqreturn_t handle_wake_irq(int irq, void *data)
MSM_PCIE_EVENT_WAKEUP);
}
} else {
if (dev->drv_supported && !dev->suspending &&
dev->link_status == MSM_PCIE_LINK_ENABLED) {
pcie_phy_dump(dev);
pcie_parf_dump(dev);
pcie_dm_core_dump(dev);
}
msm_pcie_notify_client(dev, MSM_PCIE_EVENT_WAKEUP);
}
}
spin_unlock_irqrestore(&dev->wakeup_lock, irqsave_flags);
spin_unlock_irqrestore(&dev->irq_lock, irqsave_flags);
return IRQ_HANDLED;
}
@ -5549,7 +5557,6 @@ static int msm_pcie_probe(struct platform_device *pdev)
int i, j;
struct msm_pcie_dev_t *pcie_dev;
struct device_node *of_node;
bool drv_supported;
dev_info(&pdev->dev, "PCIe: %s\n", __func__);
@ -5827,8 +5834,9 @@ static int msm_pcie_probe(struct platform_device *pdev)
goto decrease_rc_num;
}
drv_supported = of_property_read_bool(of_node, "qcom,drv-supported");
if (drv_supported) {
pcie_dev->drv_supported = of_property_read_bool(of_node,
"qcom,drv-supported");
if (pcie_dev->drv_supported) {
ret = msm_pcie_setup_drv(pcie_dev, of_node);
if (ret)
PCIE_ERR(pcie_dev,
@ -6522,7 +6530,6 @@ static int __init pcie_init(void)
mutex_init(&msm_pcie_dev[i].recovery_lock);
mutex_init(&msm_pcie_dev[i].aspm_lock);
mutex_init(&msm_pcie_dev[i].drv_pc_lock);
spin_lock_init(&msm_pcie_dev[i].wakeup_lock);
spin_lock_init(&msm_pcie_dev[i].irq_lock);
msm_pcie_dev[i].drv_ready = false;
msm_pcie_dev[i].l23_rdy_poll_timeout = L23_READY_POLL_TIMEOUT;