diff mbox series

[v3,03/16] arm:i2c: Don't mask return from i2c_recv()

Message ID 20181126200435.23408-4-minyard@acm.org
State Superseded
Headers show
Series [v3,01/16] i2c: Split smbus into parts | expand

Commit Message

Corey Minyard Nov. 26, 2018, 8:04 p.m. UTC
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>
---
 hw/arm/stellaris.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.17.1

Comments

Philippe Mathieu-Daudé Nov. 26, 2018, 8:29 p.m. UTC | #1
On 26/11/18 21:04, minyard@acm.org wrote:
> 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>

> ---

>  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 6c69ce79b2..638b649911 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);

> 


This could be squashed in the previous patch.

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

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Peter Maydell Nov. 30, 2018, 5:26 p.m. UTC | #2
On Mon, 26 Nov 2018 at 20:04, <minyard@acm.org> wrote:
>

> 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>

> ---

>  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 6c69ce79b2..638b649911 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 */


Reviewed-by: Peter Maydell <peter.maydell@linaro.org>


thanks
-- PMM
diff mbox series

Patch

diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 6c69ce79b2..638b649911 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);