Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/usb/phy/phy-ab8500-usb.c: In function 'ab8500_usb_link_status_update':
drivers/usb/phy/phy-ab8500-usb.c:424:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDB;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:425:2: note: here
case USB_LINK_NOT_CONFIGURED_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:440:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDC;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:441:2: note: here
case USB_LINK_STD_HOST_NC_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:459:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDA;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:460:2: note: here
case USB_LINK_HM_IDGND_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c: In function 'ab8505_usb_link_status_update':
drivers/usb/phy/phy-ab8500-usb.c:332:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDB;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:333:2: note: here
case USB_LINK_NOT_CONFIGURED_8505:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:352:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDC;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:353:2: note: here
case USB_LINK_STD_HOST_NC_8505:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:370:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDA;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:371:2: note: here
case USB_LINK_HM_IDGND_8505:
^~~~
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20190729000631.GA24165@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
switch (lsts) {
case USB_LINK_ACA_RID_B_8505:
event = UX500_MUSB_RIDB;
+ /* Fall through */
case USB_LINK_NOT_CONFIGURED_8505:
case USB_LINK_RESERVED0_8505:
case USB_LINK_RESERVED1_8505:
case USB_LINK_ACA_RID_C_NM_8505:
event = UX500_MUSB_RIDC;
+ /* Fall through */
case USB_LINK_STD_HOST_NC_8505:
case USB_LINK_STD_HOST_C_NS_8505:
case USB_LINK_STD_HOST_C_S_8505:
case USB_LINK_ACA_RID_A_8505:
case USB_LINK_ACA_DOCK_CHGR_8505:
event = UX500_MUSB_RIDA;
+ /* Fall through */
case USB_LINK_HM_IDGND_8505:
if (ab->mode == USB_IDLE) {
ab->mode = USB_HOST;
switch (lsts) {
case USB_LINK_ACA_RID_B_8500:
event = UX500_MUSB_RIDB;
+ /* Fall through */
case USB_LINK_NOT_CONFIGURED_8500:
case USB_LINK_NOT_VALID_LINK_8500:
ab->mode = USB_IDLE;
case USB_LINK_ACA_RID_C_HS_8500:
case USB_LINK_ACA_RID_C_HS_CHIRP_8500:
event = UX500_MUSB_RIDC;
+ /* Fall through */
case USB_LINK_STD_HOST_NC_8500:
case USB_LINK_STD_HOST_C_NS_8500:
case USB_LINK_STD_HOST_C_S_8500:
case USB_LINK_ACA_RID_A_8500:
event = UX500_MUSB_RIDA;
+ /* Fall through */
case USB_LINK_HM_IDGND_8500:
if (ab->mode == USB_IDLE) {
ab->mode = USB_HOST;