diff options
| author | Bingbu Cao <bingbu.cao@intel.com> | 2024-01-31 17:51:02 +0800 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-04-29 14:56:38 +0200 |
| commit | f50c4ca0a82003b8a542c3332fd292cf1bc355a2 (patch) | |
| tree | 866924237d183aec7ed8707e1b62c11e5dc6af20 /drivers/media/pci/intel/ipu6/ipu6.c | |
| parent | 3c1dfb5a69cf836f513a2a49113ee946a4b9d95d (diff) | |
media: intel/ipu6: add the main input system driver
The main input system driver does basic ISYS hardware setup, IRQ handling
and sets up device nodes.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/pci/intel/ipu6/ipu6.c')
| -rw-r--r-- | drivers/media/pci/intel/ipu6/ipu6.c | 35 |
1 files changed, 4 insertions, 31 deletions
diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c index 4b63e810b319..4b1f69d14d71 100644 --- a/drivers/media/pci/intel/ipu6/ipu6.c +++ b/drivers/media/pci/intel/ipu6/ipu6.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2013 - 2024 Intel Corporation + * Copyright (C) 2013--2024 Intel Corporation */ #include <linux/bitfield.h> @@ -364,47 +364,20 @@ static void ipu6_internal_pdata_init(struct ipu6_device *isp) } } -static int ipu6_isys_check_fwnode_graph(struct fwnode_handle *fwnode) -{ - struct fwnode_handle *endpoint; - - if (IS_ERR_OR_NULL(fwnode)) - return -EINVAL; - - endpoint = fwnode_graph_get_next_endpoint(fwnode, NULL); - if (endpoint) { - fwnode_handle_put(endpoint); - return 0; - } - - return ipu6_isys_check_fwnode_graph(fwnode->secondary); -} - static struct ipu6_bus_device * ipu6_isys_init(struct pci_dev *pdev, struct device *parent, struct ipu6_buttress_ctrl *ctrl, void __iomem *base, const struct ipu6_isys_internal_pdata *ipdata) { struct device *dev = &pdev->dev; - struct fwnode_handle *fwnode = dev_fwnode(dev); struct ipu6_bus_device *isys_adev; struct ipu6_isys_pdata *pdata; int ret; - /* check fwnode at first, fallback into bridge if no fwnode graph */ - ret = ipu6_isys_check_fwnode_graph(fwnode); + ret = ipu_bridge_init(dev, ipu_bridge_parse_ssdb); if (ret) { - if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) { - dev_err(dev, - "fwnode graph has no endpoints connection\n"); - return ERR_PTR(-EINVAL); - } - - ret = ipu_bridge_init(dev, ipu_bridge_parse_ssdb); - if (ret) { - dev_err_probe(dev, ret, "IPU6 bridge init failed\n"); - return ERR_PTR(ret); - } + dev_err_probe(dev, ret, "IPU6 bridge init failed\n"); + return ERR_PTR(ret); } pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); |