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nvethernet: Fix IRQ type mismatch warning for common IRQ

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Issue:
Kernel logs reported an IRQ type mismatch warning for
the Common IRQ, as it was assigned to the Ethernet server.

Fix:
Skip reading and requesting the Common IRQ when virtualization
is enabled.

Bug 5248491
Bug 5091879

Change-Id: I54d145b2f1c1dfbc42a0e0d2f686f1bb085119c4
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3341674
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Mohan Thadikamalla <mohant@nvidia.com>
This commit is contained in:
Bhadram Varka
2025-04-16 04:47:48 +00:00
committed by Jon Hunter
parent 1e36fa1086
commit 90d4d4e1c4
1 changed files with 47 additions and 40 deletions
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33
drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
View File

@@ -1861,9 +1861,9 @@ static void ether_free_irqs(struct ether_priv_data *pdata)
unsigned int i;
unsigned int chan;
if (pdata->common_irq_alloc_mask & 1U) {
if ((pdata->osi_core->mac != OSI_MAC_HW_EQOS) &&
(pdata->osi_core->use_virtualization == OSI_DISABLE)) {
if ((pdata->osi_core->use_virtualization == OSI_DISABLE) &&
(pdata->common_irq_alloc_mask & 1U)) {
if (pdata->osi_core->mac != OSI_MAC_HW_EQOS) {
irq_set_affinity_hint(pdata->common_irq, NULL);
}
devm_free_irq(pdata->dev, pdata->common_irq, pdata);
@@ -2010,6 +2010,7 @@ static int ether_request_irqs(struct ether_priv_data *pdata)
int ret = 0, i, j = 1;
unsigned int chan;
if (osi_core->use_virtualization == OSI_DISABLE) {
snprintf(pdata->irq_names[0], ETHER_IRQ_NAME_SZ, "%s.common_irq",
netdev_name(pdata->ndev));
@@ -2034,13 +2035,13 @@ static int ether_request_irqs(struct ether_priv_data *pdata)
pdata->common_irq_alloc_mask = 1;
if ((osi_core->mac != OSI_MAC_HW_EQOS) &&
(cpu_online(pdata->common_isr_cpu_id)) &&
(osi_core->use_virtualization == OSI_DISABLE)) {
(cpu_online(pdata->common_isr_cpu_id))) {
cpumask_set_cpu(pdata->common_isr_cpu_id,
&pdata->common_isr_cpu_mask);
irq_set_affinity_hint(pdata->common_irq,
&pdata->common_isr_cpu_mask);
}
}
if (osi_core->mac_ver > OSI_EQOS_MAC_5_00 ||
osi_core->mac != OSI_MAC_HW_EQOS) {
@@ -5258,12 +5259,15 @@ static int ether_get_irqs(struct platform_device *pdev,
unsigned int i, j;
int ret = -1;
if (pdata->osi_core->use_virtualization == OSI_DISABLE) {
/* get common IRQ*/
pdata->common_irq = platform_get_irq(pdev, 0);
if (pdata->common_irq < 0) {
dev_err(&pdev->dev, "failed to get common IRQ number\n");
return pdata->common_irq;
}
}
if (osi_core->mac == OSI_MAC_HW_MGBE_T26X) {
ret = ether_get_vdma_mapping(pdev, pdata);
if (ret < 0) {
@@ -5271,6 +5275,7 @@ static int ether_get_irqs(struct platform_device *pdev,
return ret;
}
}
if ((osi_core->mac_ver > OSI_EQOS_MAC_5_00) ||
(osi_core->mac != OSI_MAC_HW_EQOS)) {
ret = ether_get_vm_irq_data(pdev, pdata);
@@ -6446,6 +6451,16 @@ static int ether_parse_dt(struct ether_priv_data *pdata)
int ret_val = 0;
osi_core->pre_sil = tegra_platform_is_vdk();
/* Allow to set non zero DMA channel for virtualization */
if (!ether_init_ivc(pdata)) {
osi_core->use_virtualization = OSI_ENABLE;
dev_info(dev, "Virtualization is enabled\n");
} else {
dev_info(dev, "Virtualization is not enabled\n");
osi_core->use_virtualization = OSI_DISABLE;
}
/* Read flag to skip MAC reset on platform */
ret = of_property_read_u32(np, "nvidia,skip_mac_reset",
&pdata->skip_mac_reset);
@@ -6610,14 +6625,6 @@ static int ether_parse_dt(struct ether_priv_data *pdata)
}
}
/* Allow to set non zero DMA channel for virtualization */
if (!ether_init_ivc(pdata)) {
osi_core->use_virtualization = OSI_ENABLE;
dev_info(dev, "Virtualization is enabled\n");
} else {
ret = -1;
}
ret = of_property_read_u32_array(np, "nvidia,rxq_enable_ctrl",
tmp_value,
osi_core->num_mtl_queues);