mfd: core: redo ACPI matching of the children devices
There is at least one board on the market, i.e. Intel Galileo Gen2, that uses
_ADR to distinguish the devices under one actual device. Due to this we have to
improve the quirk in the MFD core to handle that board.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index a76bc10..27dac3f 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -18,6 +18,12 @@
struct irq_domain;
+/* Matches ACPI PNP id, either _HID or _CID, or ACPI _ADR */
+struct mfd_cell_acpi_match {
+ const char *pnpid;
+ const unsigned long long adr;
+};
+
/*
* This struct describes the MFD part ("cell").
* After registration the copy of this structure will become the platform data
@@ -44,8 +50,8 @@
*/
const char *of_compatible;
- /* Matches ACPI PNP id, either _HID or _CID */
- const char *acpi_pnpid;
+ /* Matches ACPI */
+ const struct mfd_cell_acpi_match *acpi_match;
/*
* These resources can be specified relative to the parent device.