mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-28 05:34:13 -05:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251128064038.55158-9-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Adrian Hunter
2025-11-28 08:40:34 +02:00
committed by Alexandre Belloni
parent 6f6efdd15c
commit da8116a9be
1 changed files with 19 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
View File

@@ -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);