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powerpc: Fix bus_space_unmap

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Previously it failed to compile since the macro passed too many
arguments to the function.  Fix by adding the bus handle to the
function and adding an implementation that calls pmap_unmapdev.

Reviewed by:	jhibbits
Differential Revision:	https://reviews.freebsd.org/D43440

(cherry picked from commit a3d6e0de1c89c145b40ed80fe54c6bad1abbf416)
This commit is contained in:
John Baldwin 2024-01-23 09:37:53 -08:00
parent cae52eb91f
commit 782d09ad29
2 changed files with 7 additions and 2 deletions
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2
sys/powerpc/include/bus.h
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@ -103,7 +103,7 @@ struct bus_space {
/* mapping/unmapping */
int (*bs_map)(bus_addr_t, bus_size_t, int,
bus_space_handle_t *);
void (*bs_unmap)(bus_size_t);
void (*bs_unmap)(bus_space_handle_t, bus_size_t);
int (*bs_subregion)(bus_space_handle_t, bus_size_t,
bus_size_t, bus_space_handle_t *);

7
sys/powerpc/powerpc/bus_machdep.c
View file

@ -140,8 +140,13 @@ bs_remap_earlyboot(void)
}
static void
bs_gen_unmap(bus_size_t size __unused)
bs_gen_unmap(bus_space_handle_t bsh, bus_size_t size)
{
if (!pmap_bootstrapped)
return;
pmap_unmapdev((void *)bsh, size);
}
static int