From 3a9f3fe69eab40d9de948230a6789bd7ea68d5e9 Mon Sep 17 00:00:00 2001
From: David Hildenbrand <dahi@linux.vnet.ibm.com>
Date: Wed, 6 May 2015 13:19:29 +0200
Subject: s390/sclp: get rid of sclp_get_mtid() and sclp_get_mtid_max()

As all relevant sclp data is now directly accessible, let's move the
logic of these two functions to the single caller.

Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 74ba690..6b00faa 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -68,8 +68,6 @@ extern struct sclp_info sclp;
 int sclp_get_cpu_info(struct sclp_cpu_info *info);
 int sclp_cpu_configure(u8 cpu);
 int sclp_cpu_deconfigure(u8 cpu);
-unsigned int sclp_get_mtid(u8 cpu_type);
-unsigned int sclp_get_mtid_max(void);
 int sclp_sdias_blk_count(void);
 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
 int sclp_chp_configure(struct chp_id chpid);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index ac7dda5..0d9d59d 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -740,7 +740,7 @@ static void __init smp_detect_cpus(void)
 #endif
 
 	/* Set multi-threading state for the current system */
-	mtid = sclp_get_mtid(boot_cpu_type);
+	mtid = boot_cpu_type ? sclp.mtid : sclp.mtid_cp;
 	mtid = (mtid < smp_max_threads) ? mtid : smp_max_threads - 1;
 	pcpu_set_smt(mtid);
 
@@ -882,7 +882,8 @@ void __init smp_fill_possible_mask(void)
 {
 	unsigned int possible, sclp_max, cpu;
 
-	sclp_max = min(smp_max_threads, sclp_get_mtid_max() + 1);
+	sclp_max = max(sclp.mtid, sclp.mtid_cp) + 1;
+	sclp_max = min(smp_max_threads, sclp_max);
 	sclp_max = sclp.max_cpu * sclp_max ?: nr_cpu_ids;
 	possible = setup_possible_cpus ?: nr_cpu_ids;
 	possible = min(possible, sclp_max);
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 4f6525d..914ff62 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -49,7 +49,6 @@ struct read_info_sccb {
 
 static char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE) __initdata;
 static struct sclp_ipl_info sclp_ipl_info;
-static unsigned int sclp_mtid_max;
 
 struct sclp_info sclp;
 EXPORT_SYMBOL(sclp);
@@ -143,20 +142,9 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
 
 	sclp.mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
 	sclp.mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
-	sclp_mtid_max = max(sclp.mtid, sclp.mtid_cp);
 	sclp.mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
 }
 
-unsigned int sclp_get_mtid(u8 cpu_type)
-{
-	return cpu_type ? sclp.mtid : sclp.mtid_cp;
-}
-
-unsigned int sclp_get_mtid_max(void)
-{
-	return sclp_mtid_max;
-}
-
 /*
  * This function will be called after sclp_facilities_detect(), which gets
  * called from early.c code. The sclp_facilities_detect() function retrieves
-- 
cgit v0.10.2