platform/x86: ISST: Add IOCTL default callback

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The common IOCTL handler has a predefined list of IOCTLs it can
handle. There is no default handler, if there is no match.

Allow a client driver to define their own version of default IOCTL
callback. In this way the default handling is passed to the client
drivers to handle.

With the introduction of TPMI target, IOCTL list is extended. The
additional TPMI specific IOCTLs will be passed to the TPMI client
driver default IOCTL handler.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20230211063257.311746-4-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

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Srinivas Pandruvada 2023-02-10 22:32:48 -08:00 • committed by Hans de Goede

parent 6614823a16

commit 33c16dc1a2

2 changed files with 15 additions and 0 deletions

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11

drivers/platform/x86/intel/speed_select_if/isst_if_common.c

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4

drivers/platform/x86/intel/speed_select_if/isst_if_common.h

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