Commit da8116a9 authored by Adrian Hunter's avatar Adrian Hunter Committed by Alexandre Belloni
Browse files

i3c: mipi-i3c-hci-pci: Allocate a structure for mipi_i3c_hci_pci device information 



Allocate a structure for mipi_i3c_hci_pci device information, in
preparation for additional changes that need to store mipi_i3c_hci_pci
device-specific information.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251128064038.55158-9-adrian.hunter@intel.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 6f6efdd1

drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c

+19 −10
Original line number Diff line number Diff line
@@ -14,6 +14,10 @@ 
#include <linux/pci.h>

#include <linux/platform_device.h>



struct mipi_i3c_hci_pci {

	struct platform_device *pdev;

};



struct mipi_i3c_hci_pci_info {

	int (*init)(struct pci_dev *pci);

};
@@ -68,10 +72,14 @@ static int mipi_i3c_hci_pci_probe(struct pci_dev *pci, 
				  const struct pci_device_id *id)

{

	const struct mipi_i3c_hci_pci_info *info;

	struct platform_device *pdev;

	struct mipi_i3c_hci_pci *hci;

	struct resource res[2];

	int dev_id, ret;



	hci = devm_kzalloc(&pci->dev, sizeof(*hci), GFP_KERNEL);

	if (!hci)

		return -ENOMEM;



	ret = pcim_enable_device(pci);

	if (ret)

		return ret;
@@ -92,14 +100,14 @@ static int mipi_i3c_hci_pci_probe(struct pci_dev *pci, 
	if (dev_id < 0)

		return dev_id;



	pdev = platform_device_alloc("mipi-i3c-hci", dev_id);

	if (!pdev)

	hci->pdev = platform_device_alloc("mipi-i3c-hci", dev_id);

	if (!hci->pdev)

		return -ENOMEM;



	pdev->dev.parent = &pci->dev;

	device_set_node(&pdev->dev, dev_fwnode(&pci->dev));

	hci->pdev->dev.parent = &pci->dev;

	device_set_node(&hci->pdev->dev, dev_fwnode(&pci->dev));



	ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));

	ret = platform_device_add_resources(hci->pdev, res, ARRAY_SIZE(res));

	if (ret)

		goto err;
@@ -110,23 +118,24 @@ static int mipi_i3c_hci_pci_probe(struct pci_dev *pci, 
			goto err;

	}



	ret = platform_device_add(pdev);

	ret = platform_device_add(hci->pdev);

	if (ret)

		goto err;



	pci_set_drvdata(pci, pdev);

	pci_set_drvdata(pci, hci);



	return 0;



err:

	platform_device_put(pdev);

	platform_device_put(hci->pdev);

	ida_free(&mipi_i3c_hci_pci_ida, dev_id);

	return ret;

}



static void mipi_i3c_hci_pci_remove(struct pci_dev *pci)

{

	struct platform_device *pdev = pci_get_drvdata(pci);

	struct mipi_i3c_hci_pci *hci = pci_get_drvdata(pci);

	struct platform_device *pdev = hci->pdev;

	int dev_id = pdev->id;



	platform_device_unregister(pdev);