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arcnet: com20020-pci: add rotary index support

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The EAE PLX-PCI card has a special rotary encoder
to configure the address of every card individually.
We take this information for the initial setup of
the cards dev_id.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
This commit is contained in:
Michael Grzeschik
2014-09-18 00:12:50 +02:00
parent ae8ede6a0c
commit 5ef216c1f8
2 changed files with 37 additions and 0 deletions
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4
drivers/net/arcnet/com20020.h
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@@ -47,6 +47,9 @@ struct com20020_pci_card_info {
int devcount;
struct com20020_pci_channel_map chan_map_tbl[PLX_PCI_MAX_CARDS];
struct com20020_pci_channel_map misc_map;
int rotary;
unsigned int flags;
};
@@ -54,6 +57,7 @@ struct com20020_pci_card_info {
struct com20020_priv {
struct com20020_pci_card_info *ci;
struct list_head list_dev;
resource_size_t misc;
};
struct com20020_dev {