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Don't check for mapping above 4GB on 32-bit platforms.

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This commit is contained in:
Warner Losh 2009-02-05 20:44:06 +00:00
parent 1e9ec798a1
commit 2f4f3e9365
1 changed files with 2 additions and 0 deletions
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2
sys/dev/exca/exca.c
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@ -257,11 +257,13 @@ exca_mem_map(struct exca_softc *sc, int kind, struct resource *res)
if (win >= EXCA_MEM_WINS)
return (ENOSPC);
if (sc->flags & EXCA_HAS_MEMREG_WIN) {
#ifdef _LP64
if (rman_get_start(res) >> (EXCA_MEMREG_WIN_SHIFT + 8) != 0) {
device_printf(sc->dev,
"Does not support mapping above 4GB.");
return (EINVAL);
}
#endif
} else {
if (rman_get_start(res) >> EXCA_MEMREG_WIN_SHIFT != 0) {
device_printf(sc->dev,