[S390] 3215 console: convert from bootmem to slab

The slab allocator is earlier available so convert the
bootmem allocations to slab/gfp allocations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 7 insertions, 11 deletions

diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 04dc734805c6..51e6379c5b93 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -20,10 +20,7 @@
 #include <linux/interrupt.h>
 #include <linux/err.h>
 #include <linux/reboot.h>
-
 #include <linux/slab.h>
-#include <linux/bootmem.h>
-
 #include <asm/ccwdev.h>
 #include <asm/cio.h>
 #include <asm/io.h>
@@ -883,7 +880,7 @@ static int __init con3215_init(void)
         raw3215_freelist = NULL;
         spin_lock_init(&raw3215_freelist_lock);
         for (i = 0; i < NR_3215_REQ; i++) {
-                req = (struct raw3215_req *) alloc_bootmem_low(sizeof(struct raw3215_req));
+                req = kzalloc(sizeof(struct raw3215_req), GFP_KERNEL | GFP_DMA);
                 req->next = raw3215_freelist;
                 raw3215_freelist = req;
         }
@@ -893,10 +890,9 @@ static int __init con3215_init(void)
                 return -ENODEV;
 
         raw3215[0] = raw = (struct raw3215_info *)
-                alloc_bootmem_low(sizeof(struct raw3215_info));
-        memset(raw, 0, sizeof(struct raw3215_info));
-        raw->buffer = (char *) alloc_bootmem_low(RAW3215_BUFFER_SIZE);
-        raw->inbuf = (char *) alloc_bootmem_low(RAW3215_INBUF_SIZE);
+                kzalloc(sizeof(struct raw3215_info), GFP_KERNEL | GFP_DMA);
+        raw->buffer = kzalloc(RAW3215_BUFFER_SIZE, GFP_KERNEL | GFP_DMA);
+        raw->inbuf = kzalloc(RAW3215_INBUF_SIZE, GFP_KERNEL | GFP_DMA);
         raw->cdev = cdev;
         dev_set_drvdata(&cdev->dev, raw);
         cdev->handler = raw3215_irq;
@@ -906,9 +902,9 @@ static int __init con3215_init(void)
 
         /* Request the console irq */
         if (raw3215_startup(raw) != 0) {
-                free_bootmem((unsigned long) raw->inbuf, RAW3215_INBUF_SIZE);
-                free_bootmem((unsigned long) raw->buffer, RAW3215_BUFFER_SIZE);
-                free_bootmem((unsigned long) raw, sizeof(struct raw3215_info));
+                kfree(raw->inbuf);
+                kfree(raw->buffer);
+                kfree(raw);
                 raw3215[0] = NULL;
                 return -ENODEV;
         }