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usb: gadget: fsl_qe_udc: fix implicit-fallthrough warnings

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Quieten implicit-fallthrough warnings in fsl_qe_udc.c:

../drivers/usb/gadget/udc/fsl_qe_udc.c: In function 'qe_ep_init':
../drivers/usb/gadget/udc/fsl_qe_udc.c:542:37: warning: this statement may fall through [-Wimplicit-fallthrough=]
  542 |    if ((max == 128) || (max == 256) || (max == 512))
../drivers/usb/gadget/udc/fsl_qe_udc.c:563:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
  563 |     if (max <= 1024)
../drivers/usb/gadget/udc/fsl_qe_udc.c:566:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
  566 |     if (max <= 64)
../drivers/usb/gadget/udc/fsl_qe_udc.c:580:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
  580 |     if (max <= 1024)
../drivers/usb/gadget/udc/fsl_qe_udc.c:596:5: warning: this statement may fall through [-Wimplicit-fallthrough=]
  596 |     switch (max) {

This basically just documents what is currently being done.
If any of them need to do something else, just say so or
even make the change.

Cc: Li Yang <leoyang.li@nxp.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210428040855.25907-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Randy Dunlap 2021-04-27 21:08:55 -07:00 committed by Greg Kroah-Hartman
parent c34030129a
commit f91e5d097f
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/gadget/udc/fsl_qe_udc.c
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@ -541,6 +541,7 @@ static int qe_ep_init(struct qe_udc *udc,
case USB_SPEED_HIGH:
if ((max == 128) || (max == 256) || (max == 512))
break;
fallthrough;
default:
switch (max) {
case 4:
@ -562,9 +563,11 @@ static int qe_ep_init(struct qe_udc *udc,
case USB_SPEED_HIGH:
if (max <= 1024)
break;
fallthrough;
case USB_SPEED_FULL:
if (max <= 64)
break;
fallthrough;
default:
if (max <= 8)
break;
@ -579,6 +582,7 @@ static int qe_ep_init(struct qe_udc *udc,
case USB_SPEED_HIGH:
if (max <= 1024)
break;
fallthrough;
case USB_SPEED_FULL:
if (max <= 1023)
break;
@ -605,6 +609,7 @@ static int qe_ep_init(struct qe_udc *udc,
default:
goto en_done;
}
fallthrough;
case USB_SPEED_LOW:
switch (max) {
case 1: