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powerpc: Use fallthrough pseudo-keyword

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200727224201.GA10133@embeddedor
This commit is contained in:
Gustavo A. R. Silva 2020-07-27 17:42:01 -05:00 committed by Michael Ellerman
parent bf6b7661f4
commit 5e66a0cb5f
5 changed files with 8 additions and 8 deletions
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8
arch/powerpc/kernel/align.c
View file

@ -178,11 +178,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg,
ret |= __get_user_inatomic(temp.v[1], p++);
ret |= __get_user_inatomic(temp.v[2], p++);
ret |= __get_user_inatomic(temp.v[3], p++);
/* fall through */
fallthrough;
case 4:
ret |= __get_user_inatomic(temp.v[4], p++);
ret |= __get_user_inatomic(temp.v[5], p++);
/* fall through */
fallthrough;
case 2:
ret |= __get_user_inatomic(temp.v[6], p++);
ret |= __get_user_inatomic(temp.v[7], p++);
@ -263,11 +263,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg,
ret |= __put_user_inatomic(data.v[1], p++);
ret |= __put_user_inatomic(data.v[2], p++);
ret |= __put_user_inatomic(data.v[3], p++);
/* fall through */
fallthrough;
case 4:
ret |= __put_user_inatomic(data.v[4], p++);
ret |= __put_user_inatomic(data.v[5], p++);
/* fall through */
fallthrough;
case 2:
ret |= __put_user_inatomic(data.v[6], p++);
ret |= __put_user_inatomic(data.v[7], p++);

2
arch/powerpc/platforms/powermac/feature.c
View file

@ -1465,7 +1465,7 @@ static long g5_i2s_enable(struct device_node *node, long param, long value)
case 2:
if (macio->type == macio_shasta)
break;
/* fall through */
fallthrough;
default:
return -ENODEV;
}

2
arch/powerpc/platforms/powernv/opal-async.c
View file

@ -104,7 +104,7 @@ static int __opal_async_release_token(int token)
*/
case ASYNC_TOKEN_DISPATCHED:
opal_async_tokens[token].state = ASYNC_TOKEN_ABANDONED;
/* Fall through */
fallthrough;
default:
rc = 1;
}

2
arch/powerpc/platforms/pseries/hvcserver.c
View file

@ -45,7 +45,7 @@ static int hvcs_convert(long to_convert)
case H_LONG_BUSY_ORDER_10_SEC:
case H_LONG_BUSY_ORDER_100_SEC:
return -EBUSY;
case H_FUNCTION: /* fall through */
case H_FUNCTION:
default:
return -EPERM;
}

2
arch/powerpc/xmon/xmon.c
View file

@ -4278,7 +4278,7 @@ static int do_spu_cmd(void)
subcmd = inchar();
if (isxdigit(subcmd) || subcmd == '\n')
termch = subcmd;
/* fall through */
fallthrough;
case 'f':
scanhex(&num);
if (num >= XMON_NUM_SPUS || !spu_info[num].spu) {