[v4] Fix/add vmstate handling in some I2C code

[Qemu-devel] [PATCH v4 03/19] arm:i2c: Don't mask return from i2c_recv()

minyard@acm.org posted 19 patches 6 years, 9 months ago

Diff against v1 v1 v3 v5
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Maintainers: Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>, Eduardo Habkost <ehabkost@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Peter Maydell <peter.maydell@linaro.org>, Peter Chubb <peter.chubb@nicta.com.au>, Juan Quintela <quintela@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Corey Minyard <cminyard@mvista.com>, Richard Henderson <rth@twiddle.net>, Paolo Bonzini <pbonzini@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mitsyanko <i.mitsyanko@gmail.com>

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[Qemu-devel] [PATCH v4 03/19] arm:i2c: Don't mask return from i2c_recv()

Posted by minyard@acm.org 6 years, 9 months ago

From: Corey Minyard <cminyard@mvista.com>

It can't fail, and now that it returns a uint8_t a 0xff mask
is unnecessary.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/stellaris.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 442529cc65..7b45fe3ccf 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -811,7 +811,7 @@ static void stellaris_i2c_write(void *opaque, hwaddr offset,
             /* TODO: Handle errors.  */
             if (s->msa & 1) {
                 /* Recv */
-                s->mdr = i2c_recv(s->bus) & 0xff;
+                s->mdr = i2c_recv(s->bus);
             } else {
                 /* Send */
                 i2c_send(s->bus, s->mdr);
-- 
2.17.1