diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2022-02-01 04:07:38 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-02-09 09:57:29 +0300 |
| commit | c978f1b10aba8ce4f8e1f6fcc86b174e08a6e7f7 (patch) | |
| tree | e2ccbd2808f2653b5eb4e7b8b3577d50c7764d4e /tools/testing/cxl | |
| parent | a46cfc0f011ce77d120e1cdbf973f733d18f0105 (diff) | |
| download | linux-c978f1b10aba8ce4f8e1f6fcc86b174e08a6e7f7.tar.xz | |
cxl/port: Up-level cxl_add_dport() locking requirements to the caller
In preparation for moving dport enumeration into the core, require the
port device lock to be acquired by the caller.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/164367759016.324231.105551648350470000.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools/testing/cxl')
| -rw-r--r-- | tools/testing/cxl/mock_acpi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/cxl/mock_acpi.c b/tools/testing/cxl/mock_acpi.c index 4c8a493ace56..c953e3ab6494 100644 --- a/tools/testing/cxl/mock_acpi.c +++ b/tools/testing/cxl/mock_acpi.c @@ -57,7 +57,9 @@ static int match_add_root_port(struct pci_dev *pdev, void *data) /* TODO walk DVSEC to find component register base */ port_num = FIELD_GET(PCI_EXP_LNKCAP_PN, lnkcap); + cxl_device_lock(&port->dev); rc = cxl_add_dport(port, &pdev->dev, port_num, CXL_RESOURCE_NONE); + cxl_device_unlock(&port->dev); if (rc) { dev_err(dev, "failed to add dport: %s (%d)\n", dev_name(&pdev->dev), rc); @@ -78,7 +80,9 @@ static int mock_add_root_port(struct platform_device *pdev, void *data) struct device *dev = ctx->dev; int rc; + cxl_device_lock(&port->dev); rc = cxl_add_dport(port, &pdev->dev, pdev->id, CXL_RESOURCE_NONE); + cxl_device_unlock(&port->dev); if (rc) { dev_err(dev, "failed to add dport: %s (%d)\n", dev_name(&pdev->dev), rc); |