From patchwork Tue Feb 18 08:54:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rasmus Villemoes X-Patchwork-Id: 236478 List-Id: U-Boot discussion From: rasmus.villemoes at prevas.dk (Rasmus Villemoes) Date: Tue, 18 Feb 2020 08:54:09 +0000 Subject: [PATCH] env: make file-scope env_ptr variables static Message-ID: <20200218085356.13929-1-rasmus.villemoes@prevas.dk> The combination ENV_IS_IN_NVRAM=y, ENV_IS_IN_REMOTE=y fails to build: env/remote.o:/mnt/ext4/devel/u-boot/env/remote.c:17: multiple definition of `env_ptr' env/nvram.o:/mnt/ext4/devel/u-boot/env/nvram.c:41: first defined here It's not necessarily a meaningful combination, but for build-testing it's nice to be able to enable most ENV_IS_IN_* at the same time, and since these env_ptr are not declared anywhere, they really have no reason to have external linkage. nand.c and flash.c similarly already define file-scope static env_ptr variables. Signed-off-by: Rasmus Villemoes --- env/nvram.c | 2 +- env/remote.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/env/nvram.c b/env/nvram.c index a78db21623..1a9fcf1c06 100644 --- a/env/nvram.c +++ b/env/nvram.c @@ -38,7 +38,7 @@ DECLARE_GLOBAL_DATA_PTR; extern void *nvram_read(void *dest, const long src, size_t count); extern void nvram_write(long dest, const void *src, size_t count); #else -env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; +static env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; #endif #ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE diff --git a/env/remote.c b/env/remote.c index 50d77b8dfe..e3f0608b16 100644 --- a/env/remote.c +++ b/env/remote.c @@ -12,9 +12,9 @@ #include #ifdef ENV_IS_EMBEDDED -env_t *env_ptr = &environment; +static env_t *env_ptr = &environment; #else /* ! ENV_IS_EMBEDDED */ -env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; +static env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; #endif /* ENV_IS_EMBEDDED */ DECLARE_GLOBAL_DATA_PTR;