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Groups > linux.kernel > #1192250
| From | Dan Williams <dan.j.williams@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 15/25] memconsole: fix __iomem mishandling, switch to memremap |
| Date | 2015-07-25 04:50 +0200 |
| Message-ID | <pPXHb-8h4-15@gated-at.bofh.it> (permalink) |
| References | <pPXHb-8h4-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The memconsole driver is not using proper accessors for __iomem. Switch
to memremap to fix this issue, and this also prepares the driver for the
removal of ioremap_cache.
Cc: Mike Waychison <mikew@google.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/firmware/google/memconsole.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c
index 2f569aaed4c7..1b25fba84f32 100644
--- a/drivers/firmware/google/memconsole.c
+++ b/drivers/firmware/google/memconsole.c
@@ -52,14 +52,15 @@ static ssize_t memconsole_read(struct file *filp, struct kobject *kobp,
char *memconsole;
ssize_t ret;
- memconsole = ioremap_cache(memconsole_baseaddr, memconsole_length);
+ memconsole = memremap(memconsole_baseaddr, memconsole_length,
+ MEMREMAP_CACHE);
if (!memconsole) {
- pr_err("memconsole: ioremap_cache failed\n");
+ pr_err("memconsole: memremap failed\n");
return -ENOMEM;
}
ret = memory_read_from_buffer(buf, count, &pos, memconsole,
memconsole_length);
- iounmap(memconsole);
+ memunmap(memconsole);
return ret;
}
--
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[PATCH v2 15/25] memconsole: fix __iomem mishandling, switch to memremap Dan Williams <dan.j.williams@intel.com> - 2015-07-25 04:50 +0200 Re: [PATCH v2 15/25] memconsole: fix __iomem mishandling, switch to memremap Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-07-26 00:10 +0200
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