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| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-29 16:55:45 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-11 16:53:34 +1100 |
| commit | aaa63093dd4c393391a3368e1c7305b0cc620571 (patch) | |
| tree | 72947047f91583d57f7983cf3070b19ee584c663 /arch/powerpc/sysdev | |
| parent | powerpc: Enable /dev/port when isa_io_special is set (diff) | |
| download | linux-dev-aaa63093dd4c393391a3368e1c7305b0cc620571.tar.xz linux-dev-aaa63093dd4c393391a3368e1c7305b0cc620571.zip | |
powerpc/scom: Change scom_read() and scom_write() to return errors
scom_read() now returns the read value via a pointer argument and
both functions return an int error code
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/scom.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/scom.c b/arch/powerpc/sysdev/scom.c index 9193e12df695..10f1d9e56612 100644 --- a/arch/powerpc/sysdev/scom.c +++ b/arch/powerpc/sysdev/scom.c @@ -137,8 +137,7 @@ static int scom_val_get(void *data, u64 *val) if (!scom_map_ok(ent->map)) return -EFAULT; - *val = scom_read(ent->map, 0); - return 0; + return scom_read(ent->map, 0, val); } DEFINE_SIMPLE_ATTRIBUTE(scom_val_fops, scom_val_get, scom_val_set, "0x%llx\n"); |