Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'pci-v7.0-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Remove power-off from pwrctrl drivers since this is now done directly
by the PCI controller drivers (Chen-Yu Tsai)
- Fix pwrctrl device node leak (Felix Gu)
- Document a TLP header decoder for AER log messages (Lukas Wunner)
* tag 'pci-v7.0-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Documentation: PCI: Document PCIe TLP Header decoder for AER messages
PCI/pwrctrl: Fix pci_pwrctrl_is_required() device node leak
PCI/pwrctrl: Do not power off on pwrctrl device removal
+13
-14
+10
Documentation/PCI/pcieaer-howto.rst
+10
Documentation/PCI/pcieaer-howto.rst
···
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the error message to the Root Port. Please refer to PCIe specs for other
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fields.
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+
The 'TLP Header' is the prefix/header of the TLP that caused the error
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+
in raw hex format. To decode the TLP Header into human-readable form
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+
one may use tlp-tool:
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+
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+
https://github.com/mmpg-x86/tlp-tool
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+
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+
Example usage::
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+
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curl -L https://git.kernel.org/linus/2ca1c94ce0b6 | rtlp-tool --aer
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+
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AER Ratelimits
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--------------
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+3
-1
drivers/pci/pwrctrl/core.c
+3
-1
drivers/pci/pwrctrl/core.c
···
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struct device_node *remote __free(device_node) =
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of_graph_get_remote_port_parent(endpoint);
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if (remote) {
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-
if (of_pci_supply_present(remote))
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+
if (of_pci_supply_present(remote)) {
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+
of_node_put(endpoint);
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return true;
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+
}
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}
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}
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}
-12
drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c
-12
drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c
···
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return pwrseq_power_off(pwrseq->pwrseq);
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}
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-
static void devm_pwrseq_pwrctrl_power_off(void *data)
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-
{
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-
struct pwrseq_pwrctrl *pwrseq = data;
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-
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pwrseq_pwrctrl_power_off(&pwrseq->pwrctrl);
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-
}
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-
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static int pwrseq_pwrctrl_probe(struct platform_device *pdev)
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{
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const struct pwrseq_pwrctrl_pdata *pdata;
···
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if (IS_ERR(pwrseq->pwrseq))
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return dev_err_probe(dev, PTR_ERR(pwrseq->pwrseq),
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"Failed to get the power sequencer\n");
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-
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-
ret = devm_add_action_or_reset(dev, devm_pwrseq_pwrctrl_power_off,
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-
pwrseq);
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-
if (ret)
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-
return ret;
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pwrseq->pwrctrl.power_on = pwrseq_pwrctrl_power_on;
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pwrseq->pwrctrl.power_off = pwrseq_pwrctrl_power_off;