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authorAnton Blanchard <anton@samba.org>2013-08-07 02:01:23 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 11:50:23 +1000
commita0a96ee9ba9ea188dee9126dbb404ff6253318cd (patch)
tree88183d79128d13443ba872be6575adab254348ca /arch/powerpc/platforms/pseries/hvconsole.c
parent01b0e07e603b1f2c589f841cf73eb80a4a06cde4 (diff)
downloadtalos-op-linux-a0a96ee9ba9ea188dee9126dbb404ff6253318cd.tar.gz
talos-op-linux-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/powerpc/platforms/pseries/hvconsole.c')
-rw-r--r--arch/powerpc/platforms/pseries/hvconsole.c12
1 files changed, 9 insertions, 3 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;
}
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