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 exit callback
Prepare to add device-specific features that require cleanup
upon driver removal. Add ->exit() callback as a counterpart to ->init().
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251128064038.55158-11-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
authored by
Adrian Hunter
and committed by
Alexandre Belloni
040dcd76
0f9ef14b
+12
-5
+12
-5
drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
+12
-5
drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
···
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struct mipi_i3c_hci_pci {
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struct pci_dev *pci;
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struct platform_device *pdev;
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+
const struct mipi_i3c_hci_pci_info *info;
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};
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struct mipi_i3c_hci_pci_info {
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int (*init)(struct mipi_i3c_hci_pci *hci);
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void (*exit)(struct mipi_i3c_hci_pci *hci);
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};
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static DEFINE_IDA(mipi_i3c_hci_pci_ida);
···
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static int mipi_i3c_hci_pci_probe(struct pci_dev *pci,
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const struct pci_device_id *id)
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{
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const struct mipi_i3c_hci_pci_info *info;
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struct mipi_i3c_hci_pci *hci;
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struct resource res[2];
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int dev_id, ret;
···
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if (ret)
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goto err;
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info = (const struct mipi_i3c_hci_pci_info *)id->driver_data;
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if (info && info->init) {
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ret = info->init(hci);
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hci->info = (const struct mipi_i3c_hci_pci_info *)id->driver_data;
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if (hci->info && hci->info->init) {
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ret = hci->info->init(hci);
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if (ret)
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goto err;
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}
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ret = platform_device_add(hci->pdev);
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if (ret)
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-
goto err;
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+
goto err_exit;
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pci_set_drvdata(pci, hci);
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return 0;
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err_exit:
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if (hci->info && hci->info->exit)
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hci->info->exit(hci);
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err:
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platform_device_put(hci->pdev);
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ida_free(&mipi_i3c_hci_pci_ida, dev_id);
···
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struct mipi_i3c_hci_pci *hci = pci_get_drvdata(pci);
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struct platform_device *pdev = hci->pdev;
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int dev_id = pdev->id;
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if (hci->info && hci->info->exit)
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hci->info->exit(hci);
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platform_device_unregister(pdev);
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ida_free(&mipi_i3c_hci_pci_ida, dev_id);