diff options
Diffstat (limited to 'drivers/fpga/dfl.c')
-rw-r--r-- | drivers/fpga/dfl.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index f86666cf2c6a..b9aae85ba930 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -342,7 +342,7 @@ static void release_dfl_dev(struct device *dev) if (ddev->mmio_res.parent) release_resource(&ddev->mmio_res); - ida_simple_remove(&dfl_device_ida, ddev->id); + ida_free(&dfl_device_ida, ddev->id); kfree(ddev->irqs); kfree(ddev); } @@ -360,7 +360,7 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata, if (!ddev) return ERR_PTR(-ENOMEM); - id = ida_simple_get(&dfl_device_ida, 0, 0, GFP_KERNEL); + id = ida_alloc(&dfl_device_ida, GFP_KERNEL); if (id < 0) { dev_err(&pdev->dev, "unable to get id\n"); kfree(ddev); @@ -940,9 +940,12 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo, { void __iomem *base = binfo->ioaddr + ofst; unsigned int i, ibase, inr = 0; + enum dfl_id_type type; int virq; u64 v; + type = feature_dev_id_type(binfo->feature_dev); + /* * Ideally DFL framework should only read info from DFL header, but * current version DFL only provides mmio resources information for @@ -957,22 +960,25 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo, * code will be added. But in order to be compatible to old version * DFL, the driver may still fall back to these quirks. */ - switch (fid) { - case PORT_FEATURE_ID_UINT: - v = readq(base + PORT_UINT_CAP); - ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v); - inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v); - break; - case PORT_FEATURE_ID_ERROR: - v = readq(base + PORT_ERROR_CAP); - ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v); - inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v); - break; - case FME_FEATURE_ID_GLOBAL_ERR: - v = readq(base + FME_ERROR_CAP); - ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v); - inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v); - break; + if (type == PORT_ID) { + switch (fid) { + case PORT_FEATURE_ID_UINT: + v = readq(base + PORT_UINT_CAP); + ibase = FIELD_GET(PORT_UINT_CAP_FST_VECT, v); + inr = FIELD_GET(PORT_UINT_CAP_INT_NUM, v); + break; + case PORT_FEATURE_ID_ERROR: + v = readq(base + PORT_ERROR_CAP); + ibase = FIELD_GET(PORT_ERROR_CAP_INT_VECT, v); + inr = FIELD_GET(PORT_ERROR_CAP_SUPP_INT, v); + break; + } + } else if (type == FME_ID) { + if (fid == FME_FEATURE_ID_GLOBAL_ERR) { + v = readq(base + FME_ERROR_CAP); + ibase = FIELD_GET(FME_ERROR_CAP_INT_VECT, v); + inr = FIELD_GET(FME_ERROR_CAP_SUPP_INT, v); + } } if (!inr) { @@ -1407,19 +1413,15 @@ dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info) if (!cdev) return ERR_PTR(-ENOMEM); - cdev->region = devm_fpga_region_create(info->dev, NULL, NULL); - if (!cdev->region) { - ret = -ENOMEM; - goto free_cdev_exit; - } - cdev->parent = info->dev; mutex_init(&cdev->lock); INIT_LIST_HEAD(&cdev->port_dev_list); - ret = fpga_region_register(cdev->region); - if (ret) + cdev->region = fpga_region_register(info->dev, NULL, NULL); + if (IS_ERR(cdev->region)) { + ret = PTR_ERR(cdev->region); goto free_cdev_exit; + } /* create and init build info for enumeration */ binfo = devm_kzalloc(info->dev, sizeof(*binfo), GFP_KERNEL); @@ -1864,7 +1866,7 @@ long dfl_feature_ioctl_set_irq(struct platform_device *pdev, return -EINVAL; fds = memdup_user((void __user *)(arg + sizeof(hdr)), - hdr.count * sizeof(s32)); + array_size(hdr.count, sizeof(s32))); if (IS_ERR(fds)) return PTR_ERR(fds); |