Daniel Axtens <d...@axtens.net> writes:
> Every time I build cxl I see the following warnings:
>
> /scratch/dja/linux-capi/drivers/misc/cxl/pci.c: In function
> ‘sanitise_afu_regs’:
> /scratch/dja/linux-capi/drivers/misc/cxl/pci.c:712:6: warning: suggest
> explicit braces to avoid ambiguous ‘else’ [-Wparentheses]
> if (reg & CXL_PSL_DSISR_TRANS)
> ^
> /scratch/dja/linux-capi/drivers/misc/cxl/irq.c: In function ‘fail_psl_irq’:
> /scratch/dja/linux-capi/drivers/misc/cxl/irq.c:184:5: warning: suggest
> explicit braces to avoid ambiguous ‘else’ [-Wparentheses]
> if (irq_info->dsisr & CXL_PSL_DSISR_TRANS)
> ^
Why are they ambigous? Why doesn't cxl_p2n_write(afu, CXL_PSL_TFC_An,
CXL_PSL_TFC_An_AE) expand to a proper statement?
#define cxl_p2n_write(afu, reg, val) \
out_be64(_cxl_p2n_addr(afu, reg), val)
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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