Contributors: 13
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Benjamin Herrenschmidt |
132 |
35.11% |
5 |
15.15% |
Christophe Leroy |
96 |
25.53% |
11 |
33.33% |
Paul Mackerras |
57 |
15.16% |
1 |
3.03% |
Nicholas Piggin |
37 |
9.84% |
2 |
6.06% |
Anton Blanchard |
16 |
4.26% |
2 |
6.06% |
Andrew Morton |
11 |
2.93% |
3 |
9.09% |
Olaf Hering |
7 |
1.86% |
1 |
3.03% |
Linus Torvalds (pre-git) |
7 |
1.86% |
3 |
9.09% |
Aneesh Kumar K.V |
7 |
1.86% |
1 |
3.03% |
Dan J Williams |
3 |
0.80% |
1 |
3.03% |
Thomas Gleixner |
1 |
0.27% |
1 |
3.03% |
Linus Torvalds |
1 |
0.27% |
1 |
3.03% |
Michael Ellerman |
1 |
0.27% |
1 |
3.03% |
Total |
376 |
|
33 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/mmzone.h>
#include <linux/vmalloc.h>
#include <asm/io-workarounds.h>
unsigned long ioremap_bot;
EXPORT_SYMBOL(ioremap_bot);
void __iomem *ioremap(phys_addr_t addr, unsigned long size)
{
pgprot_t prot = pgprot_noncached(PAGE_KERNEL);
void *caller = __builtin_return_address(0);
if (iowa_is_active())
return iowa_ioremap(addr, size, prot, caller);
return __ioremap_caller(addr, size, prot, caller);
}
EXPORT_SYMBOL(ioremap);
void __iomem *ioremap_wc(phys_addr_t addr, unsigned long size)
{
pgprot_t prot = pgprot_noncached_wc(PAGE_KERNEL);
void *caller = __builtin_return_address(0);
if (iowa_is_active())
return iowa_ioremap(addr, size, prot, caller);
return __ioremap_caller(addr, size, prot, caller);
}
EXPORT_SYMBOL(ioremap_wc);
void __iomem *ioremap_coherent(phys_addr_t addr, unsigned long size)
{
pgprot_t prot = pgprot_cached(PAGE_KERNEL);
void *caller = __builtin_return_address(0);
if (iowa_is_active())
return iowa_ioremap(addr, size, prot, caller);
return __ioremap_caller(addr, size, prot, caller);
}
void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long flags)
{
pte_t pte = __pte(flags);
void *caller = __builtin_return_address(0);
/* writeable implies dirty for kernel addresses */
if (pte_write(pte))
pte = pte_mkdirty(pte);
if (iowa_is_active())
return iowa_ioremap(addr, size, pte_pgprot(pte), caller);
return __ioremap_caller(addr, size, pte_pgprot(pte), caller);
}
EXPORT_SYMBOL(ioremap_prot);
int early_ioremap_range(unsigned long ea, phys_addr_t pa,
unsigned long size, pgprot_t prot)
{
unsigned long i;
for (i = 0; i < size; i += PAGE_SIZE) {
int err = map_kernel_page(ea + i, pa + i, pgprot_nx(prot));
if (WARN_ON_ONCE(err)) /* Should clean up */
return err;
}
return 0;
}