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| author | Heiko Carstens <hca@linux.ibm.com> | 2022-03-06 11:11:05 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2022-03-08 00:33:01 +0100 |
| commit | 7d8484c4151d94f3c1d257e65e0c1a2ec3c945e7 (patch) | |
| tree | d84a7e17a85a1cff350d8970011644a48f51de3a /arch/s390 | |
| parent | 998e78004fe4dd9219b039efe763e19d10d9a6f9 (diff) | |
| download | linux-7d8484c4151d94f3c1d257e65e0c1a2ec3c945e7.tar.gz linux-7d8484c4151d94f3c1d257e65e0c1a2ec3c945e7.tar.bz2 linux-7d8484c4151d94f3c1d257e65e0c1a2ec3c945e7.zip | |
s390/irq: use assignment instead of cast
Change struct ext_code to contain a union which allows to simply
assign the int_code instead of using a cast.
In order to keep the patch small the anonymous union is embedded
within the existing struct instead of changing the struct ext_code to
a union.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/irq.h | 9 | ||||
| -rw-r--r-- | arch/s390/kernel/irq.c | 2 |
2 files changed, 8 insertions, 3 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 9f75d67b8c20..89902f754740 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -81,8 +81,13 @@ static __always_inline void inc_irq_stat(enum interruption_class irq) } struct ext_code { - unsigned short subcode; - unsigned short code; + union { + struct { + unsigned short subcode; + unsigned short code; + }; + unsigned int int_code; + }; }; typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long); diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index cb7099682340..3033f616e256 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -342,7 +342,7 @@ static irqreturn_t do_ext_interrupt(int irq, void *dummy) struct ext_int_info *p; int index; - ext_code = *(struct ext_code *) ®s->int_code; + ext_code.int_code = regs->int_code; if (ext_code.code != EXT_IRQ_CLK_COMP) set_cpu_flag(CIF_NOHZ_DELAY); |