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mvebu fixes for v3.15

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- devbus: fix bus-width conversion
 
  - orion5x: fix target ID for crypto SRAM window
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Merge tag 'mvebu-fixes-3.15' of git://git.infradead.org/linux-mvebu into fixes

From Jason Cooper:
mvebu fixes for v3.15

 - devbus: fix bus-width conversion

 - orion5x: fix target ID for crypto SRAM window

* tag 'mvebu-fixes-3.15' of git://git.infradead.org/linux-mvebu:
  ARM: orion5x: fix target ID for crypto SRAM window
  memory: mvebu-devbus: fix the conversion of the bus width

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2014-05-04 22:27:30 -07:00
parent 9a2044fce2 1cc9d48145
commit 1270f063f9
2 changed files with 14 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/mach-orion5x/common.h
View file

@ -21,7 +21,7 @@ struct mv_sata_platform_data;
#define ORION_MBUS_DEVBUS_BOOT_ATTR 0x0f
#define ORION_MBUS_DEVBUS_TARGET(cs) 0x01
#define ORION_MBUS_DEVBUS_ATTR(cs) (~(1 << cs))
#define ORION_MBUS_SRAM_TARGET 0x00
#define ORION_MBUS_SRAM_TARGET 0x09
#define ORION_MBUS_SRAM_ATTR 0x00
/*

15
drivers/memory/mvebu-devbus.c
View file

@ -108,8 +108,19 @@ static int devbus_set_timing_params(struct devbus *devbus,
node->full_name);
return err;
}
/* Convert bit width to byte width */
r.bus_width /= 8;
/*
* The bus width is encoded into the register as 0 for 8 bits,
* and 1 for 16 bits, so we do the necessary conversion here.
*/
if (r.bus_width == 8)
r.bus_width = 0;
else if (r.bus_width == 16)
r.bus_width = 1;
else {
dev_err(devbus->dev, "invalid bus width %d\n", r.bus_width);
return -EINVAL;
}
err = get_timing_param_ps(devbus, node, "devbus,badr-skew-ps",
&r.badr_skew);