mfd: Allow for bypass of cell resource conflict check
The upcoming VIA VX855 MFD driver needs to communicate resources to subdevices where the resources may be claimed by ACPI. Add a flag to mfd_cell to request that resources are not policed. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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@ -65,9 +65,11 @@ static int mfd_add_device(struct device *parent, int id,
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res[r].end = cell->resources[r].end;
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}
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ret = acpi_check_resource_conflict(res);
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if (ret)
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goto fail_res;
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if (!cell->ignore_resource_conflicts) {
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ret = acpi_check_resource_conflict(res);
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if (ret)
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goto fail_res;
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}
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}
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ret = platform_device_add_resources(pdev, res, cell->num_resources);
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@ -44,6 +44,9 @@ struct mfd_cell {
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*/
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int num_resources;
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const struct resource *resources;
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/* don't check for resource conflicts */
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bool ignore_resource_conflicts;
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};
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extern int mfd_add_devices(struct device *parent, int id,
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