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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2006-09-25 05:30:51 +0200 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2006-09-25 05:30:51 +0200 |
| commit | de0138da0f8cf406c096daec7494a5cbebce2e5c (patch) | |
| tree | 337c9cf8b3ada88ac6bf9aecfa36c8ad759ea4bd /drivers/char | |
| parent | [POWERPC] iSeries: set FW_FEATURE_ISERIES earlier (diff) | |
| download | linux-de0138da0f8cf406c096daec7494a5cbebce2e5c.tar.xz linux-de0138da0f8cf406c096daec7494a5cbebce2e5c.zip | |
[POWERPC] The two vio HVC backends clash
Make sure only one of them actually registers as a driver.
Also, remove cast from get_property().
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hvc_iseries.c | 8 | ||||
| -rw-r--r-- | drivers/char/hvc_vio.c | 4 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index 4747729459c7..ea362011bd5b 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> @@ -493,6 +494,9 @@ 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 +571,7 @@ 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 +580,7 @@ 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; diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index cc95941148fb..f9c00844d2bf 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -35,6 +35,7 @@ #include <asm/hvconsole.h> #include <asm/vio.h> #include <asm/prom.h> +#include <asm/firmware.h> #include "hvc_console.h" @@ -120,6 +121,9 @@ static int hvc_vio_init(void) { int rc; + if (firmware_has_feature(FW_FEATURE_ISERIES)) + return -EIO; + /* Register as a vio device to receive callbacks */ rc = vio_register_driver(&hvc_vio_driver); |