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| author | Felix Fietkau <nbd@nbd.name> | 2019-10-28 16:02:32 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2019-12-28 20:40:58 +0100 |
| commit | da7dde8993169bfe4b91d590913b8d05debd7a89 (patch) | |
| tree | ea7965c5f5e7252a38dfeceb5c4685407741cd7e /package/kernel | |
| parent | 62d5ece70bf6cbbdd1add3a16475a1cea1cb260d (diff) | |
| download | upstream-da7dde8993169bfe4b91d590913b8d05debd7a89.tar.gz upstream-da7dde8993169bfe4b91d590913b8d05debd7a89.tar.bz2 upstream-da7dde8993169bfe4b91d590913b8d05debd7a89.zip | |
mac80211: add pcie apsm backport changes
Required for newer versions of mt76
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit d64daf7026ce47788f12130462a3107bdab8718f)
Diffstat (limited to 'package/kernel')
2 files changed, 67 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/build/100-backports-pci-Include-linux-pci-aspm.h.patch b/package/kernel/mac80211/patches/build/100-backports-pci-Include-linux-pci-aspm.h.patch new file mode 100644 index 0000000000..5faeb96748 --- /dev/null +++ b/package/kernel/mac80211/patches/build/100-backports-pci-Include-linux-pci-aspm.h.patch @@ -0,0 +1,24 @@ +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Fri, 27 Sep 2019 23:12:08 +0200 +Subject: [PATCH] backports: pci: Include linux/pci-aspm.h + +In upstream commit 7ce2e76a0420 linux/pci-aspm.h was removed and the +content included into pci.h. Add an include to have the functions +defined in linux/pci-aspm.h available when linux/pci.h is included. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + +--- a/backport-include/linux/pci.h ++++ b/backport-include/linux/pci.h +@@ -3,6 +3,10 @@ + #include_next <linux/pci.h> + #include <linux/version.h> + ++#if LINUX_VERSION_IS_LESS(5,4,0) ++#include <linux/pci-aspm.h> ++#endif ++ + #ifndef module_pci_driver + /** + * module_pci_driver() - Helper macro for registering a PCI driver diff --git a/package/kernel/mac80211/patches/build/101-backport-add-pci_disable_link_state-wrapper-with-ret.patch b/package/kernel/mac80211/patches/build/101-backport-add-pci_disable_link_state-wrapper-with-ret.patch new file mode 100644 index 0000000000..cae20f5dc3 --- /dev/null +++ b/package/kernel/mac80211/patches/build/101-backport-add-pci_disable_link_state-wrapper-with-ret.patch @@ -0,0 +1,43 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Mon, 28 Oct 2019 15:20:40 +0100 +Subject: [PATCH] backport: add pci_disable_link_state wrapper with return code + +The signature of pci_disable_link_state was changed to indicate if the state +was successfully disabled. Since the old version did not have this, add a +wrapper which checks the pcie register to determine the return code + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/backport-include/linux/pci.h ++++ b/backport-include/linux/pci.h +@@ -236,4 +236,29 @@ static inline struct pci_dev *pcie_find_ + (PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX) + #endif + ++#if LINUX_VERSION_IS_LESS(5,3,0) ++ ++static inline int ++LINUX_BACKPORT(pci_disable_link_state)(struct pci_dev *pdev, int state) ++{ ++ u16 aspmc; ++ ++ pci_disable_link_state(pdev, state); ++ ++ pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &aspmc); ++ if ((state & PCIE_LINK_STATE_L0S) && ++ (aspmc & PCI_EXP_LNKCTL_ASPM_L0S)) ++ return -EPERM; ++ ++ if ((state & PCIE_LINK_STATE_L1) && ++ (aspmc & PCI_EXP_LNKCTL_ASPM_L1)) ++ return -EPERM; ++ ++ return 0; ++} ++ ++#define pci_disable_link_state LINUX_BACKPORT(pci_disable_link_state) ++ ++#endif ++ + #endif /* _BACKPORT_LINUX_PCI_H */ |