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No need to constrain DMA tag to 32-bits on 32-bit platforms.

This commit is contained in:
jmcneill 2022-10-26 20:54:52 +00:00
parent 32ac1ccde3
commit e867d8fcc0
1 changed files with 7 additions and 4 deletions
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11
sys/dev/fdt/arasan_sdhc_fdt.c
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@ -1,4 +1,4 @@
/* $NetBSD: arasan_sdhc_fdt.c,v 1.10 2022/10/26 10:55:23 jmcneill Exp $ */
/* $NetBSD: arasan_sdhc_fdt.c,v 1.11 2022/10/26 20:54:52 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jared McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: arasan_sdhc_fdt.c,v 1.10 2022/10/26 10:55:23 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: arasan_sdhc_fdt.c,v 1.11 2022/10/26 20:54:52 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -234,7 +234,6 @@ arasan_sdhc_attach(device_t parent, device_t self, void *aux)
bus_addr_t addr;
bus_size_t size;
u_int bus_width;
int error;
void *ih;
fdtbus_clock_assign(phandle);
@ -274,9 +273,10 @@ arasan_sdhc_attach(device_t parent, device_t self, void *aux)
sc->sc_bsz = size;
sc->sc_type = of_compatible_lookup(phandle, compat_data)->value;
#ifdef _LP64
const uint32_t caps = bus_space_read_4(sc->sc_bst, sc->sc_bsh, SDHC_CAPABILITIES);
if ((caps & (SDHC_ADMA2_SUPP|SDHC_64BIT_SYS_BUS)) == SDHC_ADMA2_SUPP) {
error = bus_dmatag_subregion(faa->faa_dmat, 0, __MASK(32),
int error = bus_dmatag_subregion(faa->faa_dmat, 0, __MASK(32),
&sc->sc_base.sc_dmat, BUS_DMA_WAITOK);
if (error != 0) {
aprint_error(": couldn't create DMA tag: %d\n", error);
@ -285,6 +285,9 @@ arasan_sdhc_attach(device_t parent, device_t self, void *aux)
} else {
sc->sc_base.sc_dmat = faa->faa_dmat;
}
#else
sc->sc_base.sc_dmat = faa->faa_dmat;
#endif
sc->sc_base.sc_dev = self;
sc->sc_base.sc_host = sc->sc_host;