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path: root/drivers/dma/ppc4xx/adma.c
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Diffstat (limited to 'drivers/dma/ppc4xx/adma.c')
-rw-r--r--drivers/dma/ppc4xx/adma.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 5e46e347e28b..61500ad7c850 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -9,7 +9,7 @@
*/
/*
- * This driver supports the asynchrounous DMA copy and RAID engines available
+ * This driver supports the asynchronous DMA copy and RAID engines available
* on the AMCC PPC440SPe Processors.
* Based on the Intel Xscale(R) family of I/O Processors (IOP 32x, 33x, 134x)
* ADMA driver written by D.Williams.
@@ -28,7 +28,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
-#include <linux/of_platform.h>
+#include <linux/platform_device.h>
#include <asm/dcr.h>
#include <asm/dcr-regs.h>
#include "adma.h"
@@ -874,7 +874,7 @@ static int ppc440spe_dma2_pq_slot_count(dma_addr_t *srcs,
pr_err("%s: src_cnt=%d, state=%d, addr_count=%d, order=%lld\n",
__func__, src_cnt, state, addr_count, order);
for (i = 0; i < src_cnt; i++)
- pr_err("\t[%d] 0x%llx \n", i, srcs[i]);
+ pr_err("\t[%d] 0x%llx\n", i, srcs[i]);
BUG();
}
@@ -1686,8 +1686,8 @@ static struct ppc440spe_adma_desc_slot *ppc440spe_adma_alloc_slots(
{
struct ppc440spe_adma_desc_slot *iter = NULL, *_iter;
struct ppc440spe_adma_desc_slot *alloc_start = NULL;
- struct list_head chain = LIST_HEAD_INIT(chain);
int slots_found, retry = 0;
+ LIST_HEAD(chain);
BUG_ON(!num_slots || !slots_per_op);
@@ -3636,7 +3636,7 @@ static void ppc440spe_adma_issue_pending(struct dma_chan *chan)
ppc440spe_chan = to_ppc440spe_adma_chan(chan);
dev_dbg(ppc440spe_chan->device->common.dev,
- "ppc440spe adma%d: %s %d \n", ppc440spe_chan->device->id,
+ "ppc440spe adma%d: %s %d\n", ppc440spe_chan->device->id,
__func__, ppc440spe_chan->pending);
if (ppc440spe_chan->pending) {
@@ -4230,7 +4230,7 @@ out:
/**
* ppc440spe_adma_remove - remove the asynch device
*/
-static int ppc440spe_adma_remove(struct platform_device *ofdev)
+static void ppc440spe_adma_remove(struct platform_device *ofdev)
{
struct ppc440spe_adma_device *adev = platform_get_drvdata(ofdev);
struct device_node *np = ofdev->dev.of_node;
@@ -4278,7 +4278,6 @@ static int ppc440spe_adma_remove(struct platform_device *ofdev)
of_address_to_resource(np, 0, &res);
release_mem_region(res.start, resource_size(&res));
kfree(adev);
- return 0;
}
/*
@@ -4299,9 +4298,8 @@ static ssize_t devices_show(struct device_driver *dev, char *buf)
for (i = 0; i < PPC440SPE_ADMA_ENGINES_NUM; i++) {
if (ppc440spe_adma_devices[i] == -1)
continue;
- size += scnprintf(buf + size, PAGE_SIZE - size,
- "PPC440SP(E)-ADMA.%d: %s\n", i,
- ppc_adma_errors[ppc440spe_adma_devices[i]]);
+ size += sysfs_emit_at(buf, size, "PPC440SP(E)-ADMA.%d: %s\n",
+ i, ppc_adma_errors[ppc440spe_adma_devices[i]]);
}
return size;
}
@@ -4309,9 +4307,8 @@ static DRIVER_ATTR_RO(devices);
static ssize_t enable_show(struct device_driver *dev, char *buf)
{
- return snprintf(buf, PAGE_SIZE,
- "PPC440SP(e) RAID-6 capabilities are %sABLED.\n",
- ppc440spe_r6_enabled ? "EN" : "DIS");
+ return sysfs_emit(buf, "PPC440SP(e) RAID-6 capabilities are %sABLED.\n",
+ ppc440spe_r6_enabled ? "EN" : "DIS");
}
static ssize_t enable_store(struct device_driver *dev, const char *buf,
@@ -4362,7 +4359,7 @@ static ssize_t poly_show(struct device_driver *dev, char *buf)
reg &= 0xFF;
#endif
- size = snprintf(buf, PAGE_SIZE, "PPC440SP(e) RAID-6 driver "
+ size = sysfs_emit(buf, "PPC440SP(e) RAID-6 driver "
"uses 0x1%02x polynomial.\n", reg);
return size;
}