Hi all, After merging the powerpc tree, today's linux-next build (powerpc allyesconfig) produced this warning: In file included from include/linux/device.h:15, from arch/powerpc/include/asm/io.h:27, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/powerpc/include/asm/hardirq.h:6, from include/linux/hardirq.h:11, from include/linux/highmem.h:10, from include/linux/bio.h:8, from include/linux/libnvdimm.h:14, from arch/powerpc/platforms/pseries/papr_scm.c:12: arch/powerpc/platforms/pseries/papr_scm.c: In function 'papr_scm_pmem_flush': arch/powerpc/platforms/pseries/papr_scm.c:144:26: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'long int' [-Wformat=] 144 | dev_err(&p->pdev->dev, "flush error: %lld", rc); | ^~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ arch/powerpc/platforms/pseries/papr_scm.c:144:3: note: in expansion of macro 'dev_err' 144 | dev_err(&p->pdev->dev, "flush error: %lld", rc); | ^~~~~~~ arch/powerpc/platforms/pseries/papr_scm.c:144:43: note: format string is defined here 144 | dev_err(&p->pdev->dev, "flush error: %lld", rc); | ~~~^ | | | long long int | %ld Introduced by commit 75b7c05ebf90 ("powerpc/papr_scm: Implement support for H_SCM_FLUSH hcall") -- Cheers, Stephen Rothwell