xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sparc: Pass buffer pointer all the way down to prom_{get,put}char().

Browse Source 
This gets us closer to being able to eliminate the use
of dynamic and stack based buffers, so that we can adhere
to the "no buffer addresses above 4GB" rule for PROM calls.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2010-11-30 14:33:29 -08:00
parent 91921fef7c
commit e62cac1fd0
6 changed files with 55 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/include/asm/openprom.h
View File

@@ -39,7 +39,7 @@ struct linux_dev_v2_funcs {
int (*v2_dev_open)(char *devpath);
void (*v2_dev_close)(int d);
int (*v2_dev_read)(int d, char *buf, int nbytes);
int (*v2_dev_write)(int d, char *buf, int nbytes);
int (*v2_dev_write)(int d, const char *buf, int nbytes);
int (*v2_dev_seek)(int d, int hi, int lo);
/* Never issued (multistage load support) */

4
arch/sparc/include/asm/oplib_32.h
View File

@@ -105,10 +105,10 @@ extern int prom_getprev(void);
/* Character operations to/from the console.... */
/* Blocking get character from console. */
extern char prom_getchar(void);
extern void prom_getchar(char *buf);
/* Blocking put character to console. */
extern void prom_putchar(char character);
extern void prom_putchar(const char *buf);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(const char *fmt, ...);

4
arch/sparc/include/asm/oplib_64.h
View File

@@ -97,10 +97,10 @@ extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Character operations to/from the console.... */
/* Blocking get character from console. */
extern char prom_getchar(void);
extern void prom_getchar(char *buf);
/* Blocking put character to console. */
extern void prom_putchar(char character);
extern void prom_putchar(const char *buf);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(const char *fmt, ...);