soc/intel/tigerlake: Replace soc_get_pmc_mux_device with device pointers

Now that device aliases can be used in the devicetree, the hacky function
'soc_get_pmc_mux_device' can be removed and replaced with pointers to the
devices the function was supposed to return (1 for each port).

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ie00834c79bd5304998adaccb388ae74a108192b1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45747
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 0 insertions, 31 deletions

diff --git a/src/soc/intel/common/block/include/intelblocks/pmc.h b/src/soc/intel/common/block/include/intelblocks/pmc.h
index 75e212740d..329bbe9bd7 100644
--- a/src/soc/intel/common/block/include/intelblocks/pmc.h
+++ b/src/soc/intel/common/block/include/intelblocks/pmc.h
@@ -51,13 +51,4 @@ int pmc_soc_get_resources(struct pmc_resource_config *cfg);
 /* API to set ACPI mode */
 void pmc_set_acpi_mode(void);
 
-/*
- * Returns a reference to the PMC MUX device for the given port number.
- * Returns NULL if not found or SoC does not support PMC MUX.
- *
- * Input: Port number (0-based)
- * Output: Const pointer to PMC MUX device
- */
-const struct device *soc_get_pmc_mux_device(int port_number);
-
 #endif /* SOC_INTEL_COMMON_BLOCK_PMC_H */
diff --git a/src/soc/intel/tigerlake/pmc.c b/src/soc/intel/tigerlake/pmc.c
index f2f8a06260..dbf3671af7 100644
--- a/src/soc/intel/tigerlake/pmc.c
+++ b/src/soc/intel/tigerlake/pmc.c
@@ -126,28 +126,6 @@ static void soc_pmc_fill_ssdt(const struct device *dev)
 	       dev_path(dev));
 }
 
-/* FIXME: Rewrite loop below without this. */
-extern struct chip_operations drivers_intel_pmc_mux_ops;
-
-/* By default, TGL uses the PMC MUX for all ports, so port_number is unused */
-const struct device *soc_get_pmc_mux_device(int port_number)
-{
-	const struct device *pmc;
-	struct device *child;
-
-	child = NULL;
-	pmc = pcidev_path_on_root(PCH_DEVFN_PMC);
-	if (!pmc || !pmc->link_list)
-		return NULL;
-
-	while ((child = dev_bus_each_child(pmc->link_list, child)) != NULL)
-		if (child->chip_ops == &drivers_intel_pmc_mux_ops)
-			break;
-
-	/* child will either be the correct device or NULL if not found */
-	return child;
-}
-
 static void soc_acpi_mode_init(struct device *dev)
 {
 	/*