diff options
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 1 | ||||
| -rw-r--r-- | drivers/s390/char/sclp.h | 2 |
3 files changed, 3 insertions, 2 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 835adb85b016..e3ae937bef1c 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -115,6 +115,8 @@ struct zpci_report_error_header { u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */ } __packed; +extern char *sclp_early_sccb; + void sclp_early_set_buffer(void *sccb); int sclp_early_read_info(void); int sclp_early_read_storage_info(void); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 3364ebfae215..f46f12aebceb 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -793,6 +793,7 @@ static void __init reserve_kernel(void) unsigned long start_pfn = PFN_UP(__pa(_end)); memblock_reserve(0, STARTUP_NORMAL_OFFSET); + memblock_reserve((unsigned long)sclp_early_sccb, EXT_SCCB_READ_SCP); memblock_reserve((unsigned long)_stext, PFN_PHYS(start_pfn) - (unsigned long)_stext); } diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 8dd8ad83b78b..5e434108aae6 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -310,8 +310,6 @@ extern int sclp_console_drop; extern unsigned long sclp_console_full; extern bool sclp_mask_compat_mode; -extern char *sclp_early_sccb; - void sclp_early_wait_irq(void); int sclp_early_cmd(sclp_cmdw_t cmd, void *sccb); unsigned int sclp_early_con_check_linemode(struct init_sccb *sccb); |