[PATCH v2 2/4] platform/x86: intel_pmc_core: Fix LTR IGNORE Max offset

[Rajneesh Bhardwaj]

Cannonlake PCH allows us to ignore LTR from more IPs than Sunrisepoint
PCH so make the LTR ignore platform specific.

Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhard...@linux.intel.com>
---
 drivers/platform/x86/intel_pmc_core.c | 4 +++-
 drivers/platform/x86/intel_pmc_core.h | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/intel_pmc_core.c 
b/drivers/platform/x86/intel_pmc_core.c
index 217a822a8da1..c616cfedf2be 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -148,6 +148,7 @@ static const struct pmc_reg_map spt_reg_map = {
        .ppfear_buckets = SPT_PPFEAR_NUM_ENTRIES,
        .pm_cfg_offset = SPT_PMC_PM_CFG_OFFSET,
        .pm_read_disable_bit = SPT_PMC_READ_DISABLE_BIT,
+       .ltr_ignore_max = SPT_NUM_IP_IGN_ALLOWED,
 };
 
 /* Cannonlake: PGD PFET Enable Ack Status Register(s) bitmap */
@@ -319,6 +320,7 @@ static const struct pmc_reg_map cnp_reg_map = {
        .ppfear_buckets = CNP_PPFEAR_NUM_ENTRIES,
        .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
        .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
+       .ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED,
 };
 
 static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
@@ -565,7 +567,7 @@ static ssize_t pmc_core_ltr_ignore_write(struct file *file, 
const char __user
                goto out_unlock;
        }
 
-       if (val > NUM_IP_IGN_ALLOWED) {
+       if (val > map->ltr_ignore_max) {
                err = -EINVAL;
                goto out_unlock;
        }
diff --git a/drivers/platform/x86/intel_pmc_core.h 
b/drivers/platform/x86/intel_pmc_core.h
index 7a00436e337d..7f8181057ec8 100644
--- a/drivers/platform/x86/intel_pmc_core.h
+++ b/drivers/platform/x86/intel_pmc_core.h
@@ -44,7 +44,7 @@
 #define SPT_PMC_READ_DISABLE_BIT               0x16
 #define SPT_PMC_MSG_FULL_STS_BIT               0x18
 #define NUM_RETRIES                            100
-#define NUM_IP_IGN_ALLOWED                     17
+#define SPT_NUM_IP_IGN_ALLOWED                 17
 
 #define SPT_PMC_LTR_CUR_PLT                    0x350
 #define SPT_PMC_LTR_CUR_ASLT                   0x354
@@ -154,6 +154,7 @@ enum ppfear_regs {
 #define CNP_PPFEAR_NUM_ENTRIES                 8
 #define CNP_PMC_READ_DISABLE_BIT               22
 #define CNP_PMC_LATCH_SLPS0_EVENTS             BIT(31)
+#define CNP_NUM_IP_IGN_ALLOWED                 19
 #define CNP_PMC_LTR_CUR_PLT                    0x1B50
 #define CNP_PMC_LTR_CUR_ASLT                   0x1B54
 #define CNP_PMC_LTR_SPA                                0x1B60
@@ -216,6 +217,7 @@ struct pmc_reg_map {
        const u32 pm_cfg_offset;
        const int pm_read_disable_bit;
        const u32 slps0_dbg_offset;
+       const u32 ltr_ignore_max;
 };
 
 /**
-- 
2.17.1