From f91e5d097f120755060b6abe8249696b405666fd Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 27 Apr 2021 21:08:55 -0700 Subject: [PATCH] usb: gadget: fsl_qe_udc: fix implicit-fallthrough warnings 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 Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Randy Dunlap Link: https://lore.kernel.org/r/20210428040855.25907-1-rdunlap@infradead.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/fsl_qe_udc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index fa66449b3907..8e8588933628 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -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: