From: Alejandro Lucero Use cxl api for creating a region using the endpoint decoder related to a DPA range. Add a callback for unwinding sfc cxl initialization when the endpoint port is destroyed by potential cxl_acpi or cxl_mem modules removal. Signed-off-by: Alejandro Lucero --- drivers/net/ethernet/sfc/efx_cxl.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c index 1a50bb2c0913..79fe99d83f9f 100644 --- a/drivers/net/ethernet/sfc/efx_cxl.c +++ b/drivers/net/ethernet/sfc/efx_cxl.c @@ -116,6 +116,14 @@ int efx_cxl_init(struct efx_probe_data *probe_data) return PTR_ERR(cxl->cxled); } + cxl->efx_region = cxl_create_region(cxl->cxlrd, &cxl->cxled, 1); + if (IS_ERR(cxl->efx_region)) { + pci_err(pci_dev, "CXL accel create region failed"); + cxl_put_root_decoder(cxl->cxlrd); + cxl_dpa_free(cxl->cxled); + return PTR_ERR(cxl->efx_region); + } + probe_data->cxl = cxl; return 0; @@ -124,6 +132,8 @@ int efx_cxl_init(struct efx_probe_data *probe_data) void efx_cxl_exit(struct efx_probe_data *probe_data) { if (probe_data->cxl) { + cxl_decoder_detach(NULL, probe_data->cxl->cxled, 0, + DETACH_INVALIDATE); cxl_dpa_free(probe_data->cxl->cxled); cxl_put_root_decoder(probe_data->cxl->cxlrd); } -- 2.34.1