2019-08-05 19:13:03

by Gustavo A. R. Silva

Subject: [PATCH] usb: gadget: atmel_usba_udc: Mark expected switch fall-through

Mark switch cases where we are expecting to fall through.

This patch fixes the following warning (Building: at91_dt_defconfig arm):

drivers/usb/gadget/udc/atmel_usba_udc.c:329:13: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/usb/gadget/udc/atmel_usba_udc.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 503d275bc4c4..86ffc8307864 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -327,6 +327,7 @@ static int usba_config_fifo_table(struct usba_udc *udc)
switch (fifo_mode) {
default:
fifo_mode = 0;
+ /* fall through */
case 0:
udc->fifo_cfg = NULL;
n = 0;
--
2.22.0

2019-08-12 15:00:02

by Alexandre Belloni

Subject: Re: [PATCH] usb: gadget: atmel_usba_udc: Mark expected switch fall-through

On 05/08/2019 13:48:42-0500, Gustavo A. R. Silva wrote:
> Mark switch cases where we are expecting to fall through.
>
> This patch fixes the following warning (Building: at91_dt_defconfig arm):
>
> drivers/usb/gadget/udc/atmel_usba_udc.c:329:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
>
> Signed-off-by: Gustavo A. R. Silva <[email protected]>
Acked-by: Alexandre Belloni <[email protected]>

> ---
> drivers/usb/gadget/udc/atmel_usba_udc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
> index 503d275bc4c4..86ffc8307864 100644
> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
> @@ -327,6 +327,7 @@ static int usba_config_fifo_table(struct usba_udc *udc)
> switch (fifo_mode) {
> default:
> fifo_mode = 0;
> + /* fall through */
> case 0:
> udc->fifo_cfg = NULL;
> n = 0;
> --
> 2.22.0
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

2019-08-16 10:28:57

by Cristian Birsan

Subject: Re: [PATCH] usb: gadget: atmel_usba_udc: Mark expected switch fall-through

On 8/5/19 9:48 PM, Gustavo A. R. Silva wrote:
> External E-Mail
>
>
> Mark switch cases where we are expecting to fall through.
>
> This patch fixes the following warning (Building: at91_dt_defconfig arm):
>
> drivers/usb/gadget/udc/atmel_usba_udc.c:329:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
>
> Signed-off-by: Gustavo A. R. Silva <[email protected]>
Acked-by: Cristian Birsan <[email protected]>

> ---
> drivers/usb/gadget/udc/atmel_usba_udc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
> index 503d275bc4c4..86ffc8307864 100644
> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
> @@ -327,6 +327,7 @@ static int usba_config_fifo_table(struct usba_udc *udc)
> switch (fifo_mode) {
> default:
> fifo_mode = 0;
> + /* fall through */
> case 0:
> udc->fifo_cfg = NULL;
> n = 0;
>