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powerpc/BSR: add 4096 byte BSR size
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Add a 4096 byte BSR size which will be used on new machines.  Also, remove
the warning when we run into an unknown size, as this can spam the kernel
log excessively.

Signed-off-by: Sonny Rao <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
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Sonny Rao authored and ozbenh committed Jun 26, 2009
1 parent 4a5cbf1 commit e4031d5
Showing 1 changed file with 10 additions and 7 deletions.
17 changes: 10 additions & 7 deletions drivers/char/bsr.c
Original file line number Diff line number Diff line change
Expand Up @@ -75,12 +75,13 @@ static struct class *bsr_class;
static int bsr_major;

enum {
BSR_8 = 0,
BSR_16 = 1,
BSR_64 = 2,
BSR_128 = 3,
BSR_UNKNOWN = 4,
BSR_MAX = 5,
BSR_8 = 0,
BSR_16 = 1,
BSR_64 = 2,
BSR_128 = 3,
BSR_4096 = 4,
BSR_UNKNOWN = 5,
BSR_MAX = 6,
};

static unsigned bsr_types[BSR_MAX];
Expand Down Expand Up @@ -218,9 +219,11 @@ static int bsr_add_node(struct device_node *bn)
case 128:
cur->bsr_type = BSR_128;
break;
case 4096:
cur->bsr_type = BSR_4096;
break;
default:
cur->bsr_type = BSR_UNKNOWN;
printk(KERN_INFO "unknown BSR size %d\n",cur->bsr_bytes);
}

cur->bsr_num = bsr_types[cur->bsr_type];
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