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| author |   Michael Ellerman <michael@ellerman.id.au> | 2007-10-15 19:34:37 +1000 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-10-15 14:29:49 -0400 |
| commit | cdbd3865acc2e98a349b41d130985e6f5f2dfc19 (patch) | |
| tree | 8df0ce10364d82c205ed6ec7d8ab9af9a2fe2989 /arch/powerpc/sysdev | |
| parent | Add dcr_host_t.base in dcr_read()/dcr_write() (diff) | |
| download | linux-dev-cdbd3865acc2e98a349b41d130985e6f5f2dfc19.tar.xz linux-dev-cdbd3865acc2e98a349b41d130985e6f5f2dfc19.zip | |
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/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/dcr.c | 4 |
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; } |