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mmc: atmel-mci: Mark expected switch fall-throughs

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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>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Gustavo A. R. Silva 2019-07-28 19:01:23 -05:00 committed by Ulf Hansson
parent 73e01ab232
commit 7789a98a99
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/host/atmel-mci.c
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@ -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: