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[PULL 11/26] m25p80: Introduce an helper to retrieve the BlockBackend of a device

Cédric Le Goater posted 26 patches 1 year, 7 months ago

Diff against v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v1 v2 v2 v2 v2
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Maintainers: "Cédric Le Goater" <clg@kaod.org>, Peter Maydell <peter.maydell@linaro.org>, Andrew Jeffery <andrew@aj.id.au>, Joel Stanley <joel@jms.id.au>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Alistair Francis <alistair@alistair23.me>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Bin Meng <bin.meng@windriver.com>, Palmer Dabbelt <palmer@dabbelt.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Cleber Rosa <crosa@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>

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[PULL 11/26] m25p80: Introduce an helper to retrieve the BlockBackend of a device

Posted by Cédric Le Goater 1 year, 7 months ago

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>
---
 include/hw/block/flash.h | 4 ++++
 hw/block/m25p80.c        | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/include/hw/block/flash.h b/include/hw/block/flash.h
index 7198953702b7..de93756cbe8f 100644
--- a/include/hw/block/flash.h
+++ b/include/hw/block/flash.h
@@ -76,4 +76,8 @@ uint8_t ecc_digest(ECCState *s, uint8_t sample);
 void ecc_reset(ECCState *s);
 extern const VMStateDescription vmstate_ecc_state;
 
+/* m25p80.c */
+
+BlockBackend *m25p80_get_blk(DeviceState *dev);
+
 #endif
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index dc5ffbc4ff52..afc3fdf4d60b 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -25,6 +25,7 @@
 #include "qemu/units.h"
 #include "sysemu/block-backend.h"
 #include "hw/block/block.h"
+#include "hw/block/flash.h"
 #include "hw/qdev-properties.h"
 #include "hw/qdev-properties-system.h"
 #include "hw/ssi/ssi.h"
@@ -1830,3 +1831,8 @@ static void m25p80_register_types(void)
 }
 
 type_init(m25p80_register_types)
+
+BlockBackend *m25p80_get_blk(DeviceState *dev)
+{
+    return M25P80(dev)->blk;
+}
-- 
2.41.0