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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-07-29 03:06:31 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-30 14:00:38 +0300
commitdcf8f7ecb36185f4cf96ad1f098704eb690f792e (patch)
tree87819a1c2bbd26252fde3ce87fcf293379ae2ea4 /drivers/usb
parent9e22cb82998253072ec05ee1f8b06daf5ca50800 (diff)
downloadlinux-dcf8f7ecb36185f4cf96ad1f098704eb690f792e.tar.xz
usb: phy: ab8500-usb: Mark expected switch fall-throughs
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/phy/phy-ab8500-usb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c
index aaf363f19714..14b432982fd3 100644
--- a/drivers/usb/phy/phy-ab8500-usb.c
+++ b/drivers/usb/phy/phy-ab8500-usb.c
@@ -330,6 +330,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab,
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:
@@ -350,6 +351,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab,
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:
@@ -368,6 +370,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab,
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;
@@ -422,6 +425,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab,
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;
@@ -438,6 +442,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab,
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:
@@ -457,6 +462,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab,
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;