linux-kernel - [PATCH v2 2/4] platform/x86: ISST: Allow level 0 to be not present

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Message-Id: <20231003163234.1856669-3-srinivas.pandruvada@linux.intel.com>
Date:   Tue,  3 Oct 2023 09:32:32 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     hdegoede@...hat.com, markgross@...nel.org,
        ilpo.jarvinen@...ux.intel.com, andriy.shevchenko@...ux.intel.com
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH v2 2/4] platform/x86: ISST: Allow level 0 to be not present

It is possible that SST level 0 or base level is not present in some
configurations. So don't set level 0 mask in level_en_mask by default.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
v2:
No change, just added Reviewed by

 drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index a672a1c814af..ac5c6a812592 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -364,9 +364,6 @@ static int sst_main(struct auxiliary_device *auxdev, struct tpmi_per_power_domai
 	/* Read PP header */
 	*((u64 *)&pd_info->pp_header) = readq(pd_info->sst_base + pd_info->sst_header.pp_offset);
 
-	/* Force level_en_mask level 0 */
-	pd_info->pp_header.level_en_mask |= 0x01;
-
 	mask = 0x01;
 	levels = 0;
 	for (i = 0; i < 8; ++i) {
-- 
2.41.0