[v3] Strict disable implicit fallthrough

[RFC PATCH v3 45/78] hw/dma: add fallthrough pseudo-keyword

Emmanouil Pitsidianakis posted 78 patches 2 years, 3 months ago

Diff against v1 v2
Download mbox

Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Christian Schoenebeck <qemu_oss@crudebyte.com>, John Snow <jsnow@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Ronnie Sahlberg <ronniesahlberg@gmail.com>, Peter Lieven <pl@kamp.de>, Jeff Cody <codyprime@gmail.com>, Yuval Shaia <yuval.shaia.ml@gmail.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, Raphael Norwitz <raphael.norwitz@nutanix.com>, Laurent Vivier <laurent@vivier.eu>, Yoshinori Sato <ysato@users.sourceforge.jp>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, "Daniel P. Berrangé" <berrange@redhat.com>, Thomas Huth <thuth@redhat.com>, Markus Armbruster <armbru@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Juan Quintela <quintela@redhat.com>, Aurelien Jarno <aurelien@aurel32.net>, Peter Maydell <peter.maydell@linaro.org>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Andrew Jeffery <andrew@aj.id.au>, Joel Stanley <joel@jms.id.au>, Alistair Francis <alistair@alistair23.me>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Eric Auger <eric.auger@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Jonathan Cameron <jonathan.cameron@huawei.com>, Fan Ni <fan.ni@samsung.com>, Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, David Woodhouse <dwmw2@infradead.org>, Corey Minyard <minyard@acm.org>, Paul Burton <paulburton@kernel.org>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Vikram Garhwal <fnu.vikram@xilinx.com>, Akihiko Odaki <akihiko.odaki@daynix.com>, Sriram Yagnaraman <sriram.yagnaraman@est.tech>, Dmitry Fleytman <dmitry.fleytman@gmail.com>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Nicholas Piggin <npiggin@gmail.com>, "Frédéric Barrat" <fbarrat@linux.ibm.com>, Huai-Cheng Kuo <hchkuo@avery-design.com.tw>, Chris Browy <cbrowy@avery-design.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Hannes Reinecke <hare@suse.com>, Bin Meng <bin.meng@windriver.com>, Tyrone Ting <kfting@nuvoton.com>, Hao Wu <wuhaotsh@google.com>, Magnus Damm <magnus.damm@gmail.com>, Fabiano Rosas <farosas@suse.de>, Leonardo Bras <leobras@redhat.com>, Eric Blake <eblake@redhat.com>, Michael Roth <michael.roth@amd.com>, Konstantin Kostiuk <kkostiuk@redhat.com>, Michael Rolnik <mrolnik@gmail.com>, Alessandro Di Federico <ale@rev.ng>, Anton Johansson <anjo@rev.ng>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Marcelo Tosatti <mtosatti@redhat.com>, Song Gao <gaosong@loongson.cn>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>, WANG Xuerui <git@xen0n.name>, Stefan Weil <sw@weilnetz.de>

Expand all Fold all

[RFC PATCH v3 45/78] hw/dma: add fallthrough pseudo-keyword

Posted by Emmanouil Pitsidianakis 2 years, 3 months ago

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 hw/dma/omap_dma.c    | 32 ++++++++++++++++----------------
 hw/dma/pxa2xx_dma.c  |  4 ++--
 hw/dma/sparc32_dma.c |  2 +-
 3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/hw/dma/omap_dma.c b/hw/dma/omap_dma.c
index 77797a67b5..dd43dbf3d2 100644
--- a/hw/dma/omap_dma.c
+++ b/hw/dma/omap_dma.c
@@ -1471,7 +1471,7 @@ static uint64_t omap_dma_read(void *opaque, hwaddr addr, unsigned size)
                 break;
             return ret;
         }
-        /* Fall through. */
+        fallthrough;
     case 0x000 ... 0x2fe:
         reg = addr & 0x3f;
         ch = (addr >> 6) & 0x0f;
@@ -1482,7 +1482,7 @@ static uint64_t omap_dma_read(void *opaque, hwaddr addr, unsigned size)
     case 0x404 ... 0x4fe:
         if (s->model <= omap_dma_3_1)
             break;
-        /* Fall through. */
+        fallthrough;
     case 0x400:
         if (omap_dma_sys_read(s, addr, &ret))
             break;
@@ -1519,7 +1519,7 @@ static void omap_dma_write(void *opaque, hwaddr addr,
                 break;
             return;
         }
-        /* Fall through.  */
+        fallthrough;
     case 0x000 ... 0x2fe:
         reg = addr & 0x3f;
         ch = (addr >> 6) & 0x0f;
@@ -1530,7 +1530,7 @@ static void omap_dma_write(void *opaque, hwaddr addr,
     case 0x404 ... 0x4fe:
         if (s->model <= omap_dma_3_1)
             break;
-        /* fall through */
+        fallthrough;
     case 0x400:
         if (omap_dma_sys_write(s, addr, value))
             break;
@@ -1716,25 +1716,25 @@ static uint64_t omap_dma4_read(void *opaque, hwaddr addr,
 
     case 0x14:	/* DMA4_IRQSTATUS_L3 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x10:	/* DMA4_IRQSTATUS_L2 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x0c:	/* DMA4_IRQSTATUS_L1 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x08:	/* DMA4_IRQSTATUS_L0 */
         return s->irqstat[irqn];
 
     case 0x24:	/* DMA4_IRQENABLE_L3 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x20:	/* DMA4_IRQENABLE_L2 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x1c:	/* DMA4_IRQENABLE_L1 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x18:	/* DMA4_IRQENABLE_L0 */
         return s->irqen[irqn];
 
@@ -1870,13 +1870,13 @@ static void omap_dma4_write(void *opaque, hwaddr addr,
     switch (addr) {
     case 0x14:	/* DMA4_IRQSTATUS_L3 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x10:	/* DMA4_IRQSTATUS_L2 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x0c:	/* DMA4_IRQSTATUS_L1 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x08:	/* DMA4_IRQSTATUS_L0 */
         s->irqstat[irqn] &= ~value;
         if (!s->irqstat[irqn])
@@ -1885,13 +1885,13 @@ static void omap_dma4_write(void *opaque, hwaddr addr,
 
     case 0x24:	/* DMA4_IRQENABLE_L3 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x20:	/* DMA4_IRQENABLE_L2 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x1c:	/* DMA4_IRQENABLE_L1 */
         irqn ++;
-        /* fall through */
+        fallthrough;
     case 0x18:	/* DMA4_IRQENABLE_L0 */
         s->irqen[irqn] = value;
         return;
diff --git a/hw/dma/pxa2xx_dma.c b/hw/dma/pxa2xx_dma.c
index fa896f7edf..ac47256572 100644
--- a/hw/dma/pxa2xx_dma.c
+++ b/hw/dma/pxa2xx_dma.c
@@ -278,7 +278,7 @@ static uint64_t pxa2xx_dma_read(void *opaque, hwaddr offset,
     switch (offset) {
     case DRCMR64 ... DRCMR74:
         offset -= DRCMR64 - DRCMR0 - (64 << 2);
-        /* Fall through */
+        fallthrough;
     case DRCMR0 ... DRCMR63:
         channel = (offset - DRCMR0) >> 2;
         return s->req[channel];
@@ -338,7 +338,7 @@ static void pxa2xx_dma_write(void *opaque, hwaddr offset,
     switch (offset) {
     case DRCMR64 ... DRCMR74:
         offset -= DRCMR64 - DRCMR0 - (64 << 2);
-        /* Fall through */
+        fallthrough;
     case DRCMR0 ... DRCMR63:
         channel = (offset - DRCMR0) >> 2;
 
diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index 0ef13c5e9a..c68e068cc9 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -220,7 +220,7 @@ static void dma_mem_write(void *opaque, hwaddr addr,
         break;
     case 1:
         s->dmaregs[0] |= DMA_LOADED;
-        /* fall through */
+        fallthrough;
     default:
         s->dmaregs[saddr] = val;
         break;
-- 
2.39.2