[PATCH 7/9] lib: sbi: Remove regs parameter from trap irq handling functions

Samuel Holland samuel.holland at sifive.com
Mon Mar 11 12:47:51 PDT 2024


Hi Anup,

On 2024-03-11 11:09 AM, Anup Patel wrote:
> The trap irq handling functions no longer require regs parameter
> so remove it.
> 
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>  lib/sbi/sbi_trap.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/lib/sbi/sbi_trap.c b/lib/sbi/sbi_trap.c
> index e6ef6d1..a50e466 100644
> --- a/lib/sbi/sbi_trap.c
> +++ b/lib/sbi/sbi_trap.c
> @@ -198,9 +198,9 @@ int sbi_trap_redirect(struct sbi_trap_regs *regs,
>  	return 0;
>  }
>  
> -static int sbi_trap_nonaia_irq(struct sbi_trap_regs *regs, ulong mcause)
> +static int sbi_trap_nonaia_irq(unsigned long mcause)
>  {
> -	mcause &= ~(1UL << (__riscv_xlen - 1));
> +	mcause &= ~BIT(__riscv_xlen - 1);
>  	switch (mcause) {
>  	case IRQ_M_TIMER:
>  		sbi_timer_process();
> @@ -217,7 +217,7 @@ static int sbi_trap_nonaia_irq(struct sbi_trap_regs *regs, ulong mcause)
>  	return 0;
>  }
>  
> -static int sbi_trap_aia_irq(struct sbi_trap_regs *regs, ulong mcause)
> +static int sbi_trap_aia_irq(unsigned long mcause)

The mcause parameter is not used in this function either.

Regards,
Samuel

>  {
>  	int rc;
>  	unsigned long mtopi;
> @@ -291,12 +291,12 @@ struct sbi_trap_regs *sbi_trap_handler(struct sbi_trap_regs *regs)
>  	/* Update trap context pointer */
>  	sbi_trap_set_context(scratch, &tcntx);
>  
> -	if (mcause & (1UL << (__riscv_xlen - 1))) {
> +	if (mcause & BIT(__riscv_xlen - 1)) {
>  		if (sbi_hart_has_extension(sbi_scratch_thishart_ptr(),
>  					   SBI_HART_EXT_SMAIA))
> -			rc = sbi_trap_aia_irq(regs, mcause);
> +			rc = sbi_trap_aia_irq(mcause);
>  		else
> -			rc = sbi_trap_nonaia_irq(regs, mcause);
> +			rc = sbi_trap_nonaia_irq(mcause);
>  		msg = "unhandled local interrupt";
>  		goto trap_done;
>  	}




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