backports: backport pci power save for mwifiex

This patch makes mwifiex use the old suspend resume functions on older
kernels.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>

diff --git a/patches/collateral-evolutions/network/11-dev-pm-ops/drivers_net_wireless_mwifiex_pcie.patch b/patches/collateral-evolutions/network/11-dev-pm-ops/drivers_net_wireless_mwifiex_pcie.patch
new file mode 100644 (file)
index 0000000..4b76db3
--- /dev/null
+++ b/patches/collateral-evolutions/network/11-dev-pm-ops/drivers_net_wireless_mwifiex_pcie.patch
@@ -0,0 +1,27 @@
+--- a/drivers/net/wireless/mwifiex/pcie.c
++++ b/drivers/net/wireless/mwifiex/pcie.c
+@@ -260,6 +260,9 @@ static DEFINE_PCI_DEVICE_TABLE(mwifiex_i
+ MODULE_DEVICE_TABLE(pci, mwifiex_ids);
+ 
+ #ifdef CONFIG_PM_SLEEP
++compat_pci_suspend(mwifiex_pcie_suspend);
++compat_pci_resume(mwifiex_pcie_resume);
++
+ /* Power Management Hooks */
+ static SIMPLE_DEV_PM_OPS(mwifiex_pcie_pm_ops, mwifiex_pcie_suspend,
+                               mwifiex_pcie_resume);
+@@ -272,9 +275,14 @@ static struct pci_driver __refdata mwifi
+       .probe    = mwifiex_pcie_probe,
+       .remove   = mwifiex_pcie_remove,
+ #ifdef CONFIG_PM_SLEEP
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
+       .driver   = {
+               .pm = &mwifiex_pcie_pm_ops,
+       },
++#else
++      .suspend    = mwifiex_pcie_suspend_compat,
++      .resume     = mwifiex_pcie_resume_compat,
++#endif
+ #endif
+       .shutdown = mwifiex_pcie_shutdown,
+ };