diff options
Diffstat (limited to 'drivers/char/hvc_iseries.c')
| -rw-r--r-- | drivers/char/hvc_iseries.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index 4747729459c7..f144a947bd17 100644 --- a/drivers/char/hvc_iseries.c +++ b/drivers/char/hvc_iseries.c @@ -29,6 +29,7 @@ #include <asm/hvconsole.h> #include <asm/vio.h> #include <asm/prom.h> +#include <asm/firmware.h> #include <asm/iseries/vio.h> #include <asm/iseries/hv_call.h> #include <asm/iseries/hv_lp_config.h> @@ -153,9 +154,7 @@ static int put_chars(uint32_t vtermno, const char *buf, int count) spin_lock_irqsave(&consolelock, flags); if (viochar_is_console(pi) && !viopath_isactive(pi->lp)) { - spin_lock_irqsave(&consoleloglock, flags); HvCall_writeLogBuffer(buf, count); - spin_unlock_irqrestore(&consoleloglock, flags); sent = count; goto done; } @@ -171,11 +170,8 @@ static int put_chars(uint32_t vtermno, const char *buf, int count) len = (count > VIOCHAR_MAX_DATA) ? VIOCHAR_MAX_DATA : count; - if (viochar_is_console(pi)) { - spin_lock_irqsave(&consoleloglock, flags); + if (viochar_is_console(pi)) HvCall_writeLogBuffer(buf, len); - spin_unlock_irqrestore(&consoleloglock, flags); - } init_data_event(viochar, pi->lp); @@ -493,6 +489,9 @@ static int hvc_vio_init(void) atomic_t wait_flag; int rc; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return -EIO; + /* +2 for fudge */ rc = viopath_open(HvLpConfig_getPrimaryLpIndex(), viomajorsubtype_chario, VIOCHAR_WINDOW + 2); @@ -567,7 +566,7 @@ static int hvc_find_vtys(void) for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL; vty = of_find_node_by_name(vty, "vty")) { - uint32_t *vtermno; + const uint32_t *vtermno; /* We have statically defined space for only a certain number * of console adapters. @@ -576,7 +575,7 @@ static int hvc_find_vtys(void) (num_found >= VTTY_PORTS)) break; - vtermno = (uint32_t *)get_property(vty, "reg", NULL); + vtermno = get_property(vty, "reg", NULL); if (!vtermno) continue; |