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Add hotplug support to mcp251x driver

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Chip model can now be selected directly by matching the modalias name
(instead of filling the .model field in platform_data), and allows the
module to be auto-loaded. Previous behaviour is of course still supported.

Convert the two in-tree users to this feature (icontrol & zeus).
Tested on an Zeus platform (mcp2515).

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Acked-by: Christian Pellegrin <chripell@fsfe.org>
Cc: Edwin Peer <epeer@tmtservices.co.za>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marc Zyngier 2010-03-29 08:57:56 +00:00 • committed by David S. Miller
parent 598ed9367a
commit e446630c96
4 changed files with 21 additions and 10 deletions
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4
include/linux/can/platform/mcp251x.h
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@ -26,8 +26,8 @@
struct mcp251x_platform_data {
unsigned long oscillator_frequency;
int model;
#define CAN_MCP251X_MCP2510 0
#define CAN_MCP251X_MCP2515 1
#define CAN_MCP251X_MCP2510 0x2510
#define CAN_MCP251X_MCP2515 0x2515
int (*board_specific_setup)(struct spi_device *spi);
int (*transceiver_enable)(int enable);
int (*power_enable) (int enable);