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m25p80: Introduce an helper to retrieve the BlockBackend of a device

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It will help in getting rid of some drive_get(IF_MTD) calls by
retrieving the BlockBackend directly from the m25p80 device.

Cc: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2023-06-07 06:39:40 +02:00
parent c7e313ae51
commit 9ab26b0eb1
2 changed files with 10 additions and 0 deletions
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6
hw/block/m25p80.c
View file

@ -25,6 +25,7 @@
#include "qemu/units.h" #include "qemu/units.h"
#include "sysemu/block-backend.h" #include "sysemu/block-backend.h"
#include "hw/block/block.h" #include "hw/block/block.h"
#include "hw/block/flash.h"
#include "hw/qdev-properties.h" #include "hw/qdev-properties.h"
#include "hw/qdev-properties-system.h" #include "hw/qdev-properties-system.h"
#include "hw/ssi/ssi.h" #include "hw/ssi/ssi.h"
@ -1830,3 +1831,8 @@ static void m25p80_register_types(void)
} }
type_init(m25p80_register_types) type_init(m25p80_register_types)
BlockBackend *m25p80_get_blk(DeviceState *dev)
{
return M25P80(dev)->blk;
}

4
include/hw/block/flash.h
View file

@ -76,4 +76,8 @@ uint8_t ecc_digest(ECCState *s, uint8_t sample);
void ecc_reset(ECCState *s); void ecc_reset(ECCState *s);
extern const VMStateDescription vmstate_ecc_state; extern const VMStateDescription vmstate_ecc_state;
/* m25p80.c */
BlockBackend *m25p80_get_blk(DeviceState *dev);
#endif #endif