diff options
author | Finn Thain <fthain@telegraphics.com.au> | 2019-01-15 15:18:56 +1100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 10:21:43 +0100 |
commit | a156c7ba669c65b55c7afcc3994e1199cc0cad47 (patch) | |
tree | b97c3343d57f59a026dbcac89060b3fcdbf4beb5 | |
parent | a084dbf6592c22468eb946014b2e731fb42da7a9 (diff) | |
download | lwn-a156c7ba669c65b55c7afcc3994e1199cc0cad47.tar.gz lwn-a156c7ba669c65b55c7afcc3994e1199cc0cad47.zip |
powerpc: Replace nvram_* extern declarations with standard header
Remove the nvram_read_byte() and nvram_write_byte() declarations in
powerpc/include/asm/nvram.h and use the cross-platform static functions
in linux/nvram.h instead.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | arch/powerpc/include/asm/nvram.h | 6 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup_32.c | 25 | ||||
-rw-r--r-- | drivers/char/generic_nvram.c | 1 | ||||
-rw-r--r-- | drivers/video/fbdev/matrox/matroxfb_base.c | 2 | ||||
-rw-r--r-- | include/linux/nvram.h | 3 |
5 files changed, 6 insertions, 31 deletions
diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 09a518bb7c03..56a388da9c4f 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -98,10 +98,4 @@ extern int nvram_write_os_partition(struct nvram_os_partition *part, unsigned int err_type, unsigned int error_log_cnt); -/* Determine NVRAM size */ -extern ssize_t nvram_get_size(void); - -/* Normal access to NVRAM */ -extern unsigned char nvram_read_byte(int i); -extern void nvram_write_byte(unsigned char c, int i); #endif /* _ASM_POWERPC_NVRAM_H */ diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 947f904688b0..f5107796e2d7 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -17,6 +17,7 @@ #include <linux/console.h> #include <linux/memblock.h> #include <linux/export.h> +#include <linux/nvram.h> #include <asm/io.h> #include <asm/prom.h> @@ -149,30 +150,6 @@ __setup("l3cr=", ppc_setup_l3cr); #ifdef CONFIG_GENERIC_NVRAM -/* Generic nvram hooks used by drivers/char/gen_nvram.c */ -unsigned char nvram_read_byte(int addr) -{ - if (ppc_md.nvram_read_val) - return ppc_md.nvram_read_val(addr); - return 0xff; -} -EXPORT_SYMBOL(nvram_read_byte); - -void nvram_write_byte(unsigned char val, int addr) -{ - if (ppc_md.nvram_write_val) - ppc_md.nvram_write_val(addr, val); -} -EXPORT_SYMBOL(nvram_write_byte); - -ssize_t nvram_get_size(void) -{ - if (ppc_md.nvram_size) - return ppc_md.nvram_size(); - return -1; -} -EXPORT_SYMBOL(nvram_get_size); - void nvram_sync(void) { if (ppc_md.nvram_sync) diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index ff5394f47587..0c22b9503e84 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -20,6 +20,7 @@ #include <linux/fcntl.h> #include <linux/init.h> #include <linux/mutex.h> +#include <linux/nvram.h> #include <linux/pagemap.h> #include <linux/uaccess.h> #include <asm/nvram.h> diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index 838869c6490c..0a4e5bad33f4 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -111,12 +111,12 @@ #include "matroxfb_g450.h" #include <linux/matroxfb.h> #include <linux/interrupt.h> +#include <linux/nvram.h> #include <linux/slab.h> #include <linux/uaccess.h> #ifdef CONFIG_PPC_PMAC #include <asm/machdep.h> -unsigned char nvram_read_byte(int); static int default_vmode = VMODE_NVRAM; static int default_cmode = CMODE_NVRAM; #endif diff --git a/include/linux/nvram.h b/include/linux/nvram.h index a1e01dc89759..79431dab87a1 100644 --- a/include/linux/nvram.h +++ b/include/linux/nvram.h @@ -15,8 +15,11 @@ extern const struct nvram_ops arch_nvram_ops; static inline ssize_t nvram_get_size(void) { +#ifdef CONFIG_PPC +#else if (arch_nvram_ops.get_size) return arch_nvram_ops.get_size(); +#endif return -ENODEV; } |