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ec6df24c
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ec6df24c
编写于
7月 18, 2009
作者:
M
Mauro Carvalho Chehab
浏览文件
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电子邮件补丁
差异文件
i7core: better document i7core_get_active_channels()
Signed-off-by:
N
Mauro Carvalho Chehab
<
mchehab@redhat.com
>
上级
c77720b9
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
17 addition
and
1 deletion
+17
-1
drivers/edac/i7core_edac.c
drivers/edac/i7core_edac.c
+17
-1
未找到文件。
drivers/edac/i7core_edac.c
浏览文件 @
ec6df24c
...
@@ -333,7 +333,6 @@ static inline int numcol(u32 col)
...
@@ -333,7 +333,6 @@ static inline int numcol(u32 col)
return
cols
[
col
&
0x3
];
return
cols
[
col
&
0x3
];
}
}
/****************************************************************************
/****************************************************************************
Memory check routines
Memory check routines
****************************************************************************/
****************************************************************************/
...
@@ -355,6 +354,23 @@ static struct pci_dev *get_pdev_slot_func(u8 socket, unsigned slot,
...
@@ -355,6 +354,23 @@ static struct pci_dev *get_pdev_slot_func(u8 socket, unsigned slot,
return
NULL
;
return
NULL
;
}
}
/**
* i7core_get_active_channels() - gets the number of channels and csrows
* @socket: Quick Path Interconnect socket
* @channels: Number of channels that will be returned
* @csrows: Number of csrows found
*
* Since EDAC core needs to know in advance the number of available channels
* and csrows, in order to allocate memory for csrows/channels, it is needed
* to run two similar steps. At the first step, implemented on this function,
* it checks the number of csrows/channels present at one socket.
* this is used in order to properly allocate the size of mci components.
*
* It should be noticed that none of the current available datasheets explain
* or even mention how csrows are seen by the memory controller. So, we need
* to add a fake description for csrows.
* So, this driver is attributing one DIMM memory for one csrow.
*/
static
int
i7core_get_active_channels
(
u8
socket
,
unsigned
*
channels
,
static
int
i7core_get_active_channels
(
u8
socket
,
unsigned
*
channels
,
unsigned
*
csrows
)
unsigned
*
csrows
)
{
{
...
...
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