Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
i3c: mipi-i3c-hci-pci: Add Runtime PM support
Enable Runtime PM for the mipi_i3c_hci_pci driver. Introduce helpers to
allow and forbid Runtime PM during probe and remove, using pm_runtime APIs.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260113072702.16268-22-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
authored by
Adrian Hunter
and committed by
Alexandre Belloni
95cb1935
b9a15012
+17
+17
drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
+17
drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
···
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#include <linux/platform_data/mipi-i3c-hci.h>
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#include <linux/platform_device.h>
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#include <linux/pm_qos.h>
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#include <linux/pm_runtime.h>
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/*
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* There can up to 15 instances, but implementations have at most 2 at this
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.instance_count = 1,
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};
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static void mipi_i3c_hci_pci_rpm_allow(struct device *dev)
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{
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pm_runtime_put(dev);
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pm_runtime_allow(dev);
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}
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static void mipi_i3c_hci_pci_rpm_forbid(struct device *dev)
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{
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pm_runtime_forbid(dev);
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pm_runtime_get_sync(dev);
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}
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struct mipi_i3c_hci_pci_cell_data {
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struct mipi_i3c_hci_platform_data pdata;
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struct resource res;
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pci_set_drvdata(pci, hci);
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mipi_i3c_hci_pci_rpm_allow(&pci->dev);
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return 0;
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err_exit:
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if (hci->info->exit)
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hci->info->exit(hci);
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mipi_i3c_hci_pci_rpm_forbid(&pci->dev);
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mfd_remove_devices(&pci->dev);
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}