From: "J. Neuschäfer" <j...@posteo.net> Globals defined in headers can result in multiple-definition errors while linking, if they are visible beyond the current translation unit.
This hasn't been a problem for initreg.h so far, but would become a problem in the next patch, where I use a constant from initreg.h in a second C file. Reviewed-by: Sinan Akman <si...@writeme.com> Signed-off-by: J. Neuschäfer <j...@posteo.net> --- v2: - Clarify when the visibility issue becomes a problem --- arch/powerpc/cpu/mpc83xx/initreg/initreg.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/cpu/mpc83xx/initreg/initreg.h b/arch/powerpc/cpu/mpc83xx/initreg/initreg.h index 63aa5c946696ee0368bb3453b40ff0110f0fbcfd..ea1176e7fe10dbb549125ab6b2706fee05a92734 100644 --- a/arch/powerpc/cpu/mpc83xx/initreg/initreg.h +++ b/arch/powerpc/cpu/mpc83xx/initreg/initreg.h @@ -13,7 +13,7 @@ #define SPCR_TSECBDP_MASK 0x00000C00 #define SPCR_TSECEP_MASK 0x00000300 - const __be32 spcr_mask = + static const __be32 spcr_mask = #if defined(CONFIG_SPCR_OPT) && !defined(CONFIG_SPCR_OPT_UNSET) SPCR_OPT_MASK | #endif @@ -27,7 +27,7 @@ SPCR_TSEC2EP_MASK | #endif 0; - const __be32 spcr_val = + static const __be32 spcr_val = #if defined(CONFIG_SPCR_OPT) && !defined(CONFIG_SPCR_OPT_UNSET) CONFIG_SPCR_OPT | #endif @@ -42,7 +42,7 @@ #endif 0; - const __be32 lcrr_mask = + static const __be32 lcrr_mask = #if defined(CONFIG_LCRR_DBYP) && !defined(CONFIG_LCRR_DBYP_UNSET) LCRR_DBYP | #endif @@ -60,7 +60,7 @@ #endif 0; - const __be32 lcrr_val = + static const __be32 lcrr_val = #if defined(CONFIG_LCRR_DBYP) && !defined(CONFIG_LCRR_DBYP_UNSET) CONFIG_LCRR_DBYP | #endif -- 2.45.2