nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Updated from Linux LTS 3.10.24 to 3.10.25

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Nathan
2025-04-09 19:32:12 -05:00
parent cc92f436cd
commit 92cb237c3b
85 changed files with 642 additions and 313 deletions
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12
drivers/pci/pci-driver.c
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@@ -19,6 +19,7 @@
#include <linux/cpu.h>
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
#include <linux/kexec.h>
#include "pci.h"
struct pci_dynid {
@@ -388,12 +389,17 @@ static void pci_device_shutdown(struct device *dev)
pci_msi_shutdown(pci_dev);
pci_msix_shutdown(pci_dev);
#ifdef CONFIG_KEXEC
/*
* Turn off Bus Master bit on the device to tell it to not
* continue to do DMA. Don't touch devices in D3cold or unknown states.
* If this is a kexec reboot, turn off Bus Master bit on the
* device to tell it to not continue to do DMA. Don't touch
* devices in D3cold or unknown states.
* If it is not a kexec reboot, firmware will hit the PCI
* devices with big hammer and stop their DMA any way.
*/
if (pci_dev->current_state <= PCI_D3hot)
if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot))
pci_clear_master(pci_dev);
#endif
}
#ifdef CONFIG_PM