platform/x86: intel_pmc_core: Handle CFL regmap properly
authorRajneesh Bhardwaj <[email protected]>
Fri, 1 Feb 2019 07:32:25 +0000 (13:02 +0530)
committerAndy Shevchenko <[email protected]>
Tue, 5 Feb 2019 18:28:55 +0000 (20:28 +0200)
Only Coffeelake should use Cannonlake regmap other than Cannonlake
platform. This allows Coffeelake special handling only when there is no
matching PCI device and default reg map selected as per CPUID is for
Sunrisepoint PCH. This change is needed to enable support for newer SoCs
such as Icelake.

Cc: "David E. Box" <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Fixes: 661405bd817b ("platform/x86: intel_pmc_core: Special case for Coffeelake")
Acked-by: "David E. Box" <[email protected]>
Signed-off-by: Rajneesh Bhardwaj <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
drivers/platform/x86/intel_pmc_core.c

index 22dbf115782e312f3958b1567c0cb01c7062354d..37f605da93334a397e5ed2266986e6175f3fdf5e 100644 (file)
@@ -768,7 +768,7 @@ static int __init pmc_core_probe(void)
         * Sunrisepoint PCH regmap can't be used. Use Cannonlake PCH regmap
         * in this case.
         */
-       if (!pci_dev_present(pmc_pci_ids))
+       if (pmcdev->map == &spt_reg_map && !pci_dev_present(pmc_pci_ids))
                pmcdev->map = &cnp_reg_map;
 
        if (lpit_read_residency_count_address(&slp_s0_addr))