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Diffstat (limited to 'arch/arm/kernel/ecard.c')
-rw-r--r--arch/arm/kernel/ecard.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index f1c0fb974177..bdbd7da99286 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -40,6 +40,7 @@
40#include <linux/device.h> 40#include <linux/device.h>
41#include <linux/init.h> 41#include <linux/init.h>
42#include <linux/mutex.h> 42#include <linux/mutex.h>
43#include <linux/kthread.h>
43 44
44#include <asm/dma.h> 45#include <asm/dma.h>
45#include <asm/ecard.h> 46#include <asm/ecard.h>
@@ -50,6 +51,8 @@
50#include <asm/mach/irq.h> 51#include <asm/mach/irq.h>
51#include <asm/tlbflush.h> 52#include <asm/tlbflush.h>
52 53
54#include "ecard.h"
55
53#ifndef CONFIG_ARCH_RPC 56#ifndef CONFIG_ARCH_RPC
54#define HAVE_EXPMASK 57#define HAVE_EXPMASK
55#endif 58#endif
@@ -123,7 +126,7 @@ static void ecard_task_reset(struct ecard_request *req)
123 126
124 res = ec->slot_no == 8 127 res = ec->slot_no == 8
125 ? &ec->resource[ECARD_RES_MEMC] 128 ? &ec->resource[ECARD_RES_MEMC]
126 : ec->type == ECARD_EASI 129 : ec->easi
127 ? &ec->resource[ECARD_RES_EASI] 130 ? &ec->resource[ECARD_RES_EASI]
128 : &ec->resource[ECARD_RES_IOCSYNC]; 131 : &ec->resource[ECARD_RES_IOCSYNC];
129 132
@@ -178,7 +181,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
178 index += 1; 181 index += 1;
179 } 182 }
180 } else { 183 } else {
181 unsigned long base = (ec->type == ECARD_EASI 184 unsigned long base = (ec->easi
182 ? &ec->resource[ECARD_RES_EASI] 185 ? &ec->resource[ECARD_RES_EASI]
183 : &ec->resource[ECARD_RES_IOCSYNC])->start; 186 : &ec->resource[ECARD_RES_IOCSYNC])->start;
184 void __iomem *pbase = (void __iomem *)base; 187 void __iomem *pbase = (void __iomem *)base;
@@ -263,8 +266,6 @@ static int ecard_init_mm(void)
263static int 266static int
264ecard_task(void * unused) 267ecard_task(void * unused)
265{ 268{
266 daemonize("kecardd");
267
268 /* 269 /*
269 * Allocate a mm. We're not a lazy-TLB kernel task since we need 270 * Allocate a mm. We're not a lazy-TLB kernel task since we need
270 * to set page table entries where the user space would be. Note 271 * to set page table entries where the user space would be. Note
@@ -727,7 +728,7 @@ static int ecard_prints(char *buffer, ecard_t *ec)
727 char *start = buffer; 728 char *start = buffer;
728 729
729 buffer += sprintf(buffer, " %d: %s ", ec->slot_no, 730 buffer += sprintf(buffer, " %d: %s ", ec->slot_no,
730 ec->type == ECARD_EASI ? "EASI" : " "); 731 ec->easi ? "EASI" : " ");
731 732
732 if (ec->cid.id == 0) { 733 if (ec->cid.id == 0) {
733 struct in_chunk_dir incd; 734 struct in_chunk_dir incd;
@@ -814,7 +815,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
814 } 815 }
815 816
816 ec->slot_no = slot; 817 ec->slot_no = slot;
817 ec->type = type; 818 ec->easi = type == ECARD_EASI;
818 ec->irq = NO_IRQ; 819 ec->irq = NO_IRQ;
819 ec->fiq = NO_IRQ; 820 ec->fiq = NO_IRQ;
820 ec->dma = NO_DMA; 821 ec->dma = NO_DMA;
@@ -825,6 +826,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
825 ec->dev.bus = &ecard_bus_type; 826 ec->dev.bus = &ecard_bus_type;
826 ec->dev.dma_mask = &ec->dma_mask; 827 ec->dev.dma_mask = &ec->dma_mask;
827 ec->dma_mask = (u64)0xffffffff; 828 ec->dma_mask = (u64)0xffffffff;
829 ec->dev.coherent_dma_mask = ec->dma_mask;
828 830
829 if (slot < 4) { 831 if (slot < 4) {
830 ec_set_resource(ec, ECARD_RES_MEMC, 832 ec_set_resource(ec, ECARD_RES_MEMC,
@@ -907,7 +909,7 @@ static ssize_t ecard_show_device(struct device *dev, struct device_attribute *at
907static ssize_t ecard_show_type(struct device *dev, struct device_attribute *attr, char *buf) 909static ssize_t ecard_show_type(struct device *dev, struct device_attribute *attr, char *buf)
908{ 910{
909 struct expansion_card *ec = ECARD_DEV(dev); 911 struct expansion_card *ec = ECARD_DEV(dev);
910 return sprintf(buf, "%s\n", ec->type == ECARD_EASI ? "EASI" : "IOC"); 912 return sprintf(buf, "%s\n", ec->easi ? "EASI" : "IOC");
911} 913}
912 914
913static struct device_attribute ecard_dev_attrs[] = { 915static struct device_attribute ecard_dev_attrs[] = {
@@ -1058,13 +1060,14 @@ ecard_probe(int slot, card_type_t type)
1058 */ 1060 */
1059static int __init ecard_init(void) 1061static int __init ecard_init(void)
1060{ 1062{
1061 int slot, irqhw, ret; 1063 struct task_struct *task;
1062 1064 int slot, irqhw;
1063 ret = kernel_thread(ecard_task, NULL, CLONE_KERNEL); 1065
1064 if (ret < 0) { 1066 task = kthread_run(ecard_task, NULL, "kecardd");
1065 printk(KERN_ERR "Ecard: unable to create kernel thread: %d\n", 1067 if (IS_ERR(task)) {
1066 ret); 1068 printk(KERN_ERR "Ecard: unable to create kernel thread: %ld\n",
1067 return ret; 1069 PTR_ERR(task));
1070 return PTR_ERR(task);
1068 } 1071 }
1069 1072
1070 printk("Probing expansion cards\n"); 1073 printk("Probing expansion cards\n");