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path: root/drivers/misc/cxl/file.c
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Diffstat (limited to 'drivers/misc/cxl/file.c')
-rw-r--r--drivers/misc/cxl/file.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index df4d49a6c67a..e16046292dd6 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -26,9 +26,7 @@
#include "trace.h"
#define CXL_NUM_MINORS 256 /* Total to reserve */
-#define CXL_DEV_MINORS 13 /* 1 control + 4 AFUs * 3 (dedicated/master/shared) */
-#define CXL_CARD_MINOR(adapter) (adapter->adapter_num * CXL_DEV_MINORS)
#define CXL_AFU_MINOR_D(afu) (CXL_CARD_MINOR(afu->adapter) + 1 + (3 * afu->slice))
#define CXL_AFU_MINOR_M(afu) (CXL_AFU_MINOR_D(afu) + 1)
#define CXL_AFU_MINOR_S(afu) (CXL_AFU_MINOR_D(afu) + 2)
@@ -36,7 +34,6 @@
#define CXL_AFU_MKDEV_M(afu) MKDEV(MAJOR(cxl_dev), CXL_AFU_MINOR_M(afu))
#define CXL_AFU_MKDEV_S(afu) MKDEV(MAJOR(cxl_dev), CXL_AFU_MINOR_S(afu))
-#define CXL_DEVT_ADAPTER(dev) (MINOR(dev) / CXL_DEV_MINORS)
#define CXL_DEVT_AFU(dev) ((MINOR(dev) % CXL_DEV_MINORS - 1) / 3)
#define CXL_DEVT_IS_CARD(dev) (MINOR(dev) % CXL_DEV_MINORS == 0)
@@ -446,7 +443,8 @@ static const struct file_operations afu_master_fops = {
static char *cxl_devnode(struct device *dev, umode_t *mode)
{
- if (CXL_DEVT_IS_CARD(dev->devt)) {
+ if (cpu_has_feature(CPU_FTR_HVMODE) &&
+ CXL_DEVT_IS_CARD(dev->devt)) {
/*
* These minor numbers will eventually be used to program the
* PSL and AFUs once we have dynamic reprogramming support
@@ -547,6 +545,11 @@ int cxl_register_adapter(struct cxl *adapter)
return device_register(&adapter->dev);
}
+dev_t cxl_get_dev(void)
+{
+ return cxl_dev;
+}
+
int __init cxl_file_init(void)
{
int rc;