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gpu: nvgpu: add doxygen for common MC unit

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Add doxygen details about Master Control (MC) common unit. Moved the
interrupt handling related variables to new structure nvgpu_mc.

JIRA NVGPU-2524

Change-Id: I61fb4ba325d9bd71e9505af01cd5a82e4e205833
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2226019
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Sagar Kamble
2019-10-25 01:15:26 +05:30
committed by Alex Waterman
parent b26acdeb87
commit f2b49f1c40
15 changed files with 272 additions and 98 deletions
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14
drivers/gpu/nvgpu/os/linux/pci.c
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@@ -484,15 +484,15 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
g->msi_enabled = true;
#endif
g->irq_stall = pdev->irq;
g->irq_nonstall = pdev->irq;
if ((int)g->irq_stall < 0) {
g->mc.irq_stall = pdev->irq;
g->mc.irq_nonstall = pdev->irq;
if ((int)g->mc.irq_stall < 0) {
err = -ENXIO;
goto err_disable_msi;
}
err = devm_request_threaded_irq(&pdev->dev,
g->irq_stall,
g->mc.irq_stall,
nvgpu_pci_isr,
nvgpu_pci_intr_thread,
#if defined(CONFIG_PCI_MSI)
@@ -501,10 +501,10 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
IRQF_SHARED, "nvgpu", g);
if (err) {
nvgpu_err(g,
"failed to request irq @ %d", g->irq_stall);
"failed to request irq @ %d", g->mc.irq_stall);
goto err_disable_msi;
}
disable_irq(g->irq_stall);
disable_irq(g->mc.irq_stall);
err = nvgpu_pci_init_support(pdev);
if (err)
@@ -629,7 +629,7 @@ static void nvgpu_pci_remove(struct pci_dev *pdev)
/* IRQ does not need to be enabled in MSI as the line is not
* shared
*/
enable_irq(g->irq_stall);
enable_irq(g->mc.irq_stall);
}
#endif
nvgpu_pci_pm_deinit(&pdev->dev);