diff options
Diffstat (limited to 'hw/cxl/cxl-device-utils.c')
| -rw-r--r-- | hw/cxl/cxl-device-utils.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/cxl/cxl-device-utils.c b/hw/cxl/cxl-device-utils.c index 687759b301..83ce7a8270 100644 --- a/hw/cxl/cxl-device-utils.c +++ b/hw/cxl/cxl-device-utils.c @@ -141,9 +141,15 @@ static uint64_t mdev_reg_read(void *opaque, hwaddr offset, unsigned size) return retval; } +static void ro_reg_write(void *opaque, hwaddr offset, uint64_t value, + unsigned size) +{ + /* Many register sets are read only */ +} + static const MemoryRegionOps mdev_ops = { .read = mdev_reg_read, - .write = NULL, /* memory device register is read only */ + .write = ro_reg_write, .endianness = DEVICE_LITTLE_ENDIAN, .valid = { .min_access_size = 1, @@ -173,7 +179,7 @@ static const MemoryRegionOps mailbox_ops = { static const MemoryRegionOps dev_ops = { .read = dev_reg_read, - .write = NULL, /* status register is read only */ + .write = ro_reg_write, .endianness = DEVICE_LITTLE_ENDIAN, .valid = { .min_access_size = 1, @@ -188,7 +194,7 @@ static const MemoryRegionOps dev_ops = { static const MemoryRegionOps caps_ops = { .read = caps_reg_read, - .write = NULL, /* caps registers are read only */ + .write = ro_reg_write, .endianness = DEVICE_LITTLE_ENDIAN, .valid = { .min_access_size = 1, |