Re: [Qemu-devel] [PATCH 03/10] hw: Use CFI_PFLASH0{1, 2} and TYPE_CFI_PFLASH0{1, 2}

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 2/18/19 1:56 PM, Markus Armbruster wrote:
> We have two open-coded copies of macro CFI_PFLASH01().  Move the macro
> to the header, so we can ditch the copies.  Move CFI_PFLASH02() to the
> header for symmetry.
> 
> We define macros TYPE_CFI_PFLASH01 and TYPE_CFI_PFLASH02 for type name
> strings, then mostly use the strings.  If the macros are worth
> defining, they are worth using.  Replace the strings by the macros.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>  hw/arm/vexpress.c        | 4 ++--
>  hw/arm/virt.c            | 3 ++-
>  hw/block/pflash_cfi01.c  | 3 ---
>  hw/block/pflash_cfi02.c  | 3 ---
>  hw/xtensa/xtfpga.c       | 4 ++--
>  include/hw/block/flash.h | 4 ++++
>  6 files changed, 10 insertions(+), 11 deletions(-)
> 
> diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
> index ed46d2e730..00913f2655 100644
> --- a/hw/arm/vexpress.c
> +++ b/hw/arm/vexpress.c
> @@ -515,7 +515,7 @@ static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt)
>  static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name,
>                                               DriveInfo *di)
>  {
> -    DeviceState *dev = qdev_create(NULL, "cfi.pflash01");
> +    DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH01);
>  
>      if (di) {
>          qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di),
> @@ -536,7 +536,7 @@ static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name,
>      qdev_init_nofail(dev);
>  
>      sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
> -    return OBJECT_CHECK(PFlashCFI01, (dev), "cfi.pflash01");
> +    return CFI_PFLASH01(dev);
>  }
>  
>  static void vexpress_common_init(MachineState *machine)
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 99c2b6e60d..b7d53b2b87 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -34,6 +34,7 @@
>  #include "hw/arm/arm.h"
>  #include "hw/arm/primecell.h"
>  #include "hw/arm/virt.h"
> +#include "hw/block/flash.h"
>  #include "hw/vfio/vfio-calxeda-xgmac.h"
>  #include "hw/vfio/vfio-amd-xgbe.h"
>  #include "hw/display/ramfb.h"
> @@ -874,7 +875,7 @@ static void create_one_flash(const char *name, hwaddr flashbase,
>       * parameters as the flash devices on the Versatile Express board.
>       */
>      DriveInfo *dinfo = drive_get_next(IF_PFLASH);
> -    DeviceState *dev = qdev_create(NULL, "cfi.pflash01");
> +    DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH01);
>      SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
>      const uint64_t sectorlength = 256 * 1024;
>  
> diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
> index f73c30a3ee..43dbb7db26 100644
> --- a/hw/block/pflash_cfi01.c
> +++ b/hw/block/pflash_cfi01.c
> @@ -59,9 +59,6 @@ do {                                                        \
>  #define DPRINTF(fmt, ...) do { } while (0)
>  #endif
>  
> -#define CFI_PFLASH01(obj) \
> -    OBJECT_CHECK(PFlashCFI01, (obj), TYPE_CFI_PFLASH01)
> -
>  #define PFLASH_BE          0
>  #define PFLASH_SECURE      1
>  
> diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
> index 424cc106d6..e9c76d6cfb 100644
> --- a/hw/block/pflash_cfi02.c
> +++ b/hw/block/pflash_cfi02.c
> @@ -57,9 +57,6 @@ do {                                                       \
>  
>  #define PFLASH_LAZY_ROMD_THRESHOLD 42
>  
> -#define CFI_PFLASH02(obj) \
> -    OBJECT_CHECK(PFlashCFI02, (obj), TYPE_CFI_PFLASH02)
> -
>  struct PFlashCFI02 {
>      /*< private >*/
>      SysBusDevice parent_obj;
> diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
> index 3d59a7a356..a726d5632a 100644
> --- a/hw/xtensa/xtfpga.c
> +++ b/hw/xtensa/xtfpga.c
> @@ -167,7 +167,7 @@ static PFlashCFI01 *xtfpga_flash_init(MemoryRegion *address_space,
>                                        DriveInfo *dinfo, int be)
>  {
>      SysBusDevice *s;
> -    DeviceState *dev = qdev_create(NULL, "cfi.pflash01");
> +    DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH01);
>  
>      qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo),
>                          &error_abort);
> @@ -181,7 +181,7 @@ static PFlashCFI01 *xtfpga_flash_init(MemoryRegion *address_space,
>      s = SYS_BUS_DEVICE(dev);
>      memory_region_add_subregion(address_space, board->flash->base,
>                                  sysbus_mmio_get_region(s, 0));
> -    return OBJECT_CHECK(PFlashCFI01, (dev), "cfi.pflash01");
> +    return CFI_PFLASH01(dev);
>  }
>  
>  static uint64_t translate_phys_addr(void *opaque, uint64_t addr)
> diff --git a/include/hw/block/flash.h b/include/hw/block/flash.h
> index 51d8f60c65..1078dc7238 100644
> --- a/include/hw/block/flash.h
> +++ b/include/hw/block/flash.h
> @@ -8,6 +8,8 @@
>  /* pflash_cfi01.c */
>  
>  #define TYPE_CFI_PFLASH01 "cfi.pflash01"
> +#define CFI_PFLASH01(obj) \
> +    OBJECT_CHECK(PFlashCFI01, (obj), TYPE_CFI_PFLASH01)
>  
>  typedef struct PFlashCFI01 PFlashCFI01;
>  
> @@ -25,6 +27,8 @@ MemoryRegion *pflash_cfi01_get_memory(PFlashCFI01 *fl);
>  /* pflash_cfi02.c */
>  
>  #define TYPE_CFI_PFLASH02 "cfi.pflash02"
> +#define CFI_PFLASH02(obj) \
> +    OBJECT_CHECK(PFlashCFI02, (obj), TYPE_CFI_PFLASH02)
>  
>  typedef struct PFlashCFI02 PFlashCFI02;
>  
>