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dahdi: Add dahdi_pci_disable_link_state for kernel < 2.6.25.

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Will allow the ASPM (Active State Power Management) state to be disabled on
PCIe devices before kernel version 2.6.25.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10556 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell
2012-03-21 16:33:51 +00:00
parent b278ce23b5
commit da11ba2f0f
2 changed files with 35 additions and 0 deletions
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17
include/dahdi/kernel.h
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@@ -65,6 +65,12 @@
#define DAHDI_IRQ_HANDLER(a) static irqreturn_t a(int irq, void *dev_id, struct pt_regs *regs)
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)
#ifdef CONFIG_PCI
#include <linux/pci-aspm.h>
#endif
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
#define HAVE_NET_DEVICE_OPS
#endif
@@ -1362,6 +1368,16 @@ static inline short dahdi_txtone_nextsample(struct dahdi_chan *ss)
#define fatal_signal_pending(p) \
(signal_pending((p)) && sigismember(&(p)->pending.signal, SIGKILL))
#ifdef CONFIG_PCI
#ifndef PCIE_LINK_STATE_L0S
#define PCIE_LINK_STATE_L0S 1
#define PCIE_LINK_STATE_L1 2
#define PCIE_LINK_STATE_CLKPM 4
#endif
#define pci_disable_link_state dahdi_pci_disable_link_state
void dahdi_pci_disable_link_state(struct pci_dev *pdev, int state);
#endif /* CONFIG_PCI */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
#ifndef __packed
@@ -1389,6 +1405,7 @@ static inline int strcasecmp(const char *s1, const char *s2)
return c1 - c2;
}
#endif /* clamp_val */
#endif /* 2.6.22 */
#endif /* 2.6.25 */
#endif /* 2.6.26 */