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authorMichael Ellerman <michael@ellerman.id.au>2007-10-15 19:34:37 +1000
committerJeff Garzik <jeff@garzik.org>2007-10-15 14:29:49 -0400
commitcdbd3865acc2e98a349b41d130985e6f5f2dfc19 (patch)
tree8df0ce10364d82c205ed6ec7d8ab9af9a2fe2989 /arch
parent83f34df4e7c8794a5a81ede663fe184f4201308a (diff)
Use dcr_host_t.base in dcr_unmap()
With the base stored in dcr_host_t, there's no need for callers to pass the dcr_n into dcr_unmap(). In fact this removes the possibility of them passing the incorrect value, which would then be iounmap()'ed. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/sysdev/dcr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
index ab11c0b29024..427027c7ea0f 100644
--- a/arch/powerpc/sysdev/dcr.c
+++ b/arch/powerpc/sysdev/dcr.c
@@ -126,13 +126,13 @@ dcr_host_t dcr_map(struct device_node *dev, unsigned int dcr_n,
}
EXPORT_SYMBOL_GPL(dcr_map);
-void dcr_unmap(dcr_host_t host, unsigned int dcr_n, unsigned int dcr_c)
+void dcr_unmap(dcr_host_t host, unsigned int dcr_c)
{
dcr_host_t h = host;
if (h.token == NULL)
return;
- h.token += dcr_n * h.stride;
+ h.token += host.base * h.stride;
iounmap(h.token);
h.token = NULL;
}