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    ipmi: bt-bmc: Use a regmap for register access · eb994594
    Andrew Jeffery 提交于
    The registers for the bt-bmc device live under the Aspeed LPC
    controller. Devicetree bindings have recently been introduced for the
    LPC controller where the "host" portion of the LPC register space is
    described as a syscon device. Future devicetrees describing the bt-bmc
    device should nest its node under the appropriate "simple-mfd", "syscon"
    compatible node.
    
    This change allows the bt-bmc driver to function with both syscon and
    non-syscon- based devicetree descriptions by always using a regmap for
    register access, either retrieved from the parent syscon device or
    instantiated if none exists.
    Signed-off-by: NAndrew Jeffery <andrew@aj.id.au>
    Reviewed-by: NCédric Le Goater <clg@kaod.org>
    Signed-off-by: NCorey Minyard <cminyard@mvista.com>
    eb994594
bt-bmc.c 11.8 KB