diff options
| author |   Anton Blanchard <anton@samba.org> | 2013-08-07 02:01:23 +1000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-14 11:50:23 +1000 |
| commit | a0a96ee9ba9ea188dee9126dbb404ff6253318cd (patch) | |
| tree | 88183d79128d13443ba872be6575adab254348ca /arch | |
| parent | powerpc: Simplify logic in include/uapi/asm/elf.h (diff) | |
| download | linux-dev-a0a96ee9ba9ea188dee9126dbb404ff6253318cd.tar.xz linux-dev-a0a96ee9ba9ea188dee9126dbb404ff6253318cd.zip | |
powerpc/pseries: Simplify H_GET_TERM_CHAR
plpar_get_term_char is only used once and just adds a layer
of complexity to H_GET_TERM_CHAR. plpar_put_term_char isn't
used at all so we can remove it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hvconsole.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 24 |
2 files changed, 9 insertions, 27 deletions
diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c index b344f94b0400..aa0aa37a4fd0 100644 --- a/arch/powerpc/platforms/pseries/hvconsole.c +++ b/arch/powerpc/platforms/pseries/hvconsole.c @@ -40,10 +40,16 @@ */ int hvc_get_chars(uint32_t vtermno, char *buf, int count) { - unsigned long got; + long ret; + unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; + unsigned long *lbuf = (unsigned long *)buf; + + ret = plpar_hcall(H_GET_TERM_CHAR, retbuf, vtermno); + lbuf[0] = retbuf[1]; + lbuf[1] = retbuf[2]; - if (plpar_get_term_char(vtermno, &got, buf) == H_SUCCESS) - return got; + if (ret == H_SUCCESS) + return retbuf[0]; return 0; } diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index f35787b6a5e0..417d0bfa4510 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -256,30 +256,6 @@ static inline long plpar_tce_stuff(unsigned long liobn, unsigned long ioba, return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count); } -static inline long plpar_get_term_char(unsigned long termno, - unsigned long *len_ret, char *buf_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - unsigned long *lbuf = (unsigned long *)buf_ret; /* TODO: alignment? */ - - rc = plpar_hcall(H_GET_TERM_CHAR, retbuf, termno); - - *len_ret = retbuf[0]; - lbuf[0] = retbuf[1]; - lbuf[1] = retbuf[2]; - - return rc; -} - -static inline long plpar_put_term_char(unsigned long termno, unsigned long len, - const char *buffer) -{ - unsigned long *lbuf = (unsigned long *)buffer; /* TODO: alignment? */ - return plpar_hcall_norets(H_PUT_TERM_CHAR, termno, len, lbuf[0], - lbuf[1]); -} - /* Set various resource mode parameters */ static inline long plpar_set_mode(unsigned long mflags, unsigned long resource, unsigned long value1, unsigned long value2) |