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[MIPS] Fix AP/SP to work in the reality of modern kernels.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-04-25 15:08:57 +01:00
parent de46c33745
commit 7f5a7716dc
2 changed files with 5 additions and 7 deletions
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7
arch/mips/kernel/rtlx.c
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@@ -289,7 +289,7 @@ unsigned int rtlx_write_poll(int index)
return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size);
}
ssize_t rtlx_read(int index, void __user *buff, size_t count, int user)
ssize_t rtlx_read(int index, void __user *buff, size_t count)
{
size_t lx_write, fl = 0L;
struct rtlx_channel *lx;
@@ -331,9 +331,10 @@ out:
return count;
}
ssize_t rtlx_write(int index, const void __user *buffer, size_t count, int user)
ssize_t rtlx_write(int index, const void __user *buffer, size_t count)
{
struct rtlx_channel *rt;
unsigned long failed;
size_t rt_read;
size_t fl;
@@ -363,7 +364,7 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count, int user)
}
out:
count -= cailed;
count -= failed;
smp_wmb();
rt->rt_write = (rt->rt_write + count) % rt->buffer_size;