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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Ludovic Desroches <ludovic.desroches@microchip.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Kees Cook <keescook@chromium.org>
Subject: [PATCH] mmc: atmel-mci: Mark expected switch fall-throughs
Date: Sun, 28 Jul 2019 19:01:23 -0500	[thread overview]
Message-ID: <20190729000123.GA23902@embeddedor> (raw)

Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/mmc/host/atmel-mci.c: In function 'atmci_get_cap':
drivers/mmc/host/atmel-mci.c:2415:30: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.has_odd_clk_div = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2416:2: note: here
  case 0x400:
  ^~~~
drivers/mmc/host/atmel-mci.c:2422:28: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.has_highspeed = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2423:2: note: here
  case 0x200:
  ^~~~
drivers/mmc/host/atmel-mci.c:2426:40: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.need_notbusy_for_read_ops = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2427:2: note: here
  case 0x100:
  ^~~~

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/mmc/host/atmel-mci.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 9ee0bc0ce6d0..c26fbe5f2222 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -2413,6 +2413,7 @@ static void atmci_get_cap(struct atmel_mci *host)
 	case 0x600:
 	case 0x500:
 		host->caps.has_odd_clk_div = 1;
+		/* Fall through */
 	case 0x400:
 	case 0x300:
 		host->caps.has_dma_conf_reg = 1;
@@ -2420,13 +2421,16 @@ static void atmci_get_cap(struct atmel_mci *host)
 		host->caps.has_cfg_reg = 1;
 		host->caps.has_cstor_reg = 1;
 		host->caps.has_highspeed = 1;
+		/* Fall through */
 	case 0x200:
 		host->caps.has_rwproof = 1;
 		host->caps.need_blksz_mul_4 = 0;
 		host->caps.need_notbusy_for_read_ops = 1;
+		/* Fall through */
 	case 0x100:
 		host->caps.has_bad_data_ordering = 0;
 		host->caps.need_reset_after_xfer = 0;
+		/* Fall through */
 	case 0x0:
 		break;
 	default:
-- 
2.22.0

WARNING: multiple messages have this Message-ID (diff)
From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Ludovic Desroches <ludovic.desroches@microchip.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Kees Cook <keescook@chromium.org>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmc: atmel-mci: Mark expected switch fall-throughs
Date: Sun, 28 Jul 2019 19:01:23 -0500	[thread overview]
Message-ID: <20190729000123.GA23902@embeddedor> (raw)

Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/mmc/host/atmel-mci.c: In function 'atmci_get_cap':
drivers/mmc/host/atmel-mci.c:2415:30: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.has_odd_clk_div = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2416:2: note: here
  case 0x400:
  ^~~~
drivers/mmc/host/atmel-mci.c:2422:28: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.has_highspeed = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2423:2: note: here
  case 0x200:
  ^~~~
drivers/mmc/host/atmel-mci.c:2426:40: warning: this statement may fall through [-Wimplicit-fallthrough=]
   host->caps.need_notbusy_for_read_ops = 1;
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/mmc/host/atmel-mci.c:2427:2: note: here
  case 0x100:
  ^~~~

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/mmc/host/atmel-mci.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 9ee0bc0ce6d0..c26fbe5f2222 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -2413,6 +2413,7 @@ static void atmci_get_cap(struct atmel_mci *host)
 	case 0x600:
 	case 0x500:
 		host->caps.has_odd_clk_div = 1;
+		/* Fall through */
 	case 0x400:
 	case 0x300:
 		host->caps.has_dma_conf_reg = 1;
@@ -2420,13 +2421,16 @@ static void atmci_get_cap(struct atmel_mci *host)
 		host->caps.has_cfg_reg = 1;
 		host->caps.has_cstor_reg = 1;
 		host->caps.has_highspeed = 1;
+		/* Fall through */
 	case 0x200:
 		host->caps.has_rwproof = 1;
 		host->caps.need_blksz_mul_4 = 0;
 		host->caps.need_notbusy_for_read_ops = 1;
+		/* Fall through */
 	case 0x100:
 		host->caps.has_bad_data_ordering = 0;
 		host->caps.need_reset_after_xfer = 0;
+		/* Fall through */
 	case 0x0:
 		break;
 	default:
-- 
2.22.0


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             reply	other threads:[~2019-07-29  0:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29  0:01 Gustavo A. R. Silva [this message]
2019-07-29  0:01 ` [PATCH] mmc: atmel-mci: Mark expected switch fall-throughs Gustavo A. R. Silva
2019-07-29 16:35 ` Kees Cook
2019-07-29 16:35   ` Kees Cook
2019-07-31 11:32 ` Ludovic Desroches
2019-07-31 11:32   ` Ludovic Desroches
2019-07-31 11:32   ` Ludovic Desroches
2019-07-31 16:06   ` Kees Cook
2019-07-31 16:06     ` Kees Cook
2019-08-01  7:11     ` Ludovic Desroches
2019-08-01  7:11       ` Ludovic Desroches
2019-08-01  7:11       ` Ludovic Desroches
2019-08-02 15:16 ` Ulf Hansson
2019-08-02 15:16   ` Ulf Hansson

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