Calling fw_cfg_init_io_nodma(...) is more explicit
than fw_cfg_init_io_dma(..., 0, NULL).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/nvram/fw_cfg.h | 1 +
 hw/nvram/fw_cfg.c         | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h
index 7348cbfbc34..a2b8f7fa864 100644
--- a/include/hw/nvram/fw_cfg.h
+++ b/include/hw/nvram/fw_cfg.h
@@ -305,6 +305,7 @@ bool fw_cfg_add_file_from_generator(FWCfgState *s,
                                     Object *parent, const char *part,
                                     const char *filename, Error **errp);
 
+FWCfgState *fw_cfg_init_io_nodma(MemoryRegion *io, uint32_t iobase);
 FWCfgState *fw_cfg_init_io_dma(MemoryRegion *io, uint32_t iobase,
                                uint32_t dma_iobase, AddressSpace *dma_as);
 FWCfgState *fw_cfg_init_mem_nodma(hwaddr ctl_addr, hwaddr data_addr,
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index 2699e593860..079c28f9212 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -1054,6 +1054,11 @@ static FWCfgState *fw_cfg_init_io_internal(MemoryRegion *iomem,
     return s;
 }
 
+FWCfgState *fw_cfg_init_io_nodma(MemoryRegion *iomem, uint32_t iobase)
+{
+    return fw_cfg_init_io_internal(iomem, iobase, 0, NULL);
+}
+
 FWCfgState *fw_cfg_init_io_dma(MemoryRegion *iomem, uint32_t iobase,
                                uint32_t dma_iobase, AddressSpace *dma_as)
 {
-- 
2.51.0

On Wed, Dec 03, 2025 at 07:09:35AM +0100, Philippe Mathieu-Daudé wrote:
> Date: Wed,  3 Dec 2025 07:09:35 +0100
> From: Philippe Mathieu-Daudé <philmd@linaro.org>
> Subject: [PATCH-for-11.0 v6 07/13] hw/nvram/fw_cfg: Add
>  fw_cfg_init_io_nodma() helper
> X-Mailer: git-send-email 2.51.0
> 
> Calling fw_cfg_init_io_nodma(...) is more explicit
> than fw_cfg_init_io_dma(..., 0, NULL).
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  include/hw/nvram/fw_cfg.h | 1 +
>  hw/nvram/fw_cfg.c         | 5 +++++
>  2 files changed, 6 insertions(+)

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>