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path: root/drivers/ata/sata_fsl.c
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Diffstat (limited to 'drivers/ata/sata_fsl.c')
-rw-r--r--drivers/ata/sata_fsl.c53
1 files changed, 23 insertions, 30 deletions
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index da0152116d9f..84da8d6ef28e 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -12,6 +12,9 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -19,9 +22,6 @@
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
#include <asm/io.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
static unsigned int intr_coalescing_count;
module_param(intr_coalescing_count, int, S_IRUGO);
@@ -322,7 +322,7 @@ static void fsl_sata_set_irq_coalescing(struct ata_host *host,
static ssize_t fsl_sata_intr_coalescing_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sysfs_emit(buf, "%d %d\n",
+ return sysfs_emit(buf, "%u %u\n",
intr_coalescing_count, intr_coalescing_ticks);
}
@@ -332,10 +332,8 @@ static ssize_t fsl_sata_intr_coalescing_store(struct device *dev,
{
unsigned int coalescing_count, coalescing_ticks;
- if (sscanf(buf, "%d%d",
- &coalescing_count,
- &coalescing_ticks) != 2) {
- printk(KERN_ERR "fsl-sata: wrong parameter format.\n");
+ if (sscanf(buf, "%u%u", &coalescing_count, &coalescing_ticks) != 2) {
+ dev_err(dev, "fsl-sata: wrong parameter format.\n");
return -EINVAL;
}
@@ -359,7 +357,7 @@ static ssize_t fsl_sata_rx_watermark_show(struct device *dev,
rx_watermark &= 0x1f;
spin_unlock_irqrestore(&host->lock, flags);
- return sysfs_emit(buf, "%d\n", rx_watermark);
+ return sysfs_emit(buf, "%u\n", rx_watermark);
}
static ssize_t fsl_sata_rx_watermark_store(struct device *dev,
@@ -373,8 +371,8 @@ static ssize_t fsl_sata_rx_watermark_store(struct device *dev,
void __iomem *csr_base = host_priv->csr_base;
u32 temp;
- if (sscanf(buf, "%d", &rx_watermark) != 1) {
- printk(KERN_ERR "fsl-sata: wrong parameter format.\n");
+ if (kstrtouint(buf, 10, &rx_watermark) < 0) {
+ dev_err(dev, "fsl-sata: wrong parameter format.\n");
return -EINVAL;
}
@@ -382,8 +380,8 @@ static ssize_t fsl_sata_rx_watermark_store(struct device *dev,
temp = ioread32(csr_base + TRANSCFG);
temp &= 0xffffffe0;
iowrite32(temp | rx_watermark, csr_base + TRANSCFG);
-
spin_unlock_irqrestore(&host->lock, flags);
+
return strlen(buf);
}
@@ -568,7 +566,7 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
-static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
+static void sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
{
struct sata_fsl_port_priv *pp = qc->ap->private_data;
struct sata_fsl_host_priv *host_priv = qc->ap->host->private_data;
@@ -579,7 +577,6 @@ static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
cd = pp->cmdentry + tag;
ata_tf_from_fis(cd->sfis, &qc->result_tf);
- return true;
}
static int sata_fsl_scr_write(struct ata_link *link,
@@ -1044,7 +1041,7 @@ static void sata_fsl_error_handler(struct ata_port *ap)
static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc)
{
- if (qc->flags & ATA_QCFLAG_FAILED)
+ if (qc->flags & ATA_QCFLAG_EH)
qc->err_mask |= AC_ERR_OTHER;
if (qc->err_mask) {
@@ -1379,7 +1376,7 @@ static void sata_fsl_host_stop(struct ata_host *host)
/*
* scsi mid-layer and libata interface structures
*/
-static struct scsi_host_template sata_fsl_sht = {
+static const struct scsi_host_template sata_fsl_sht = {
ATA_NCQ_SHT_QD("sata_fsl", SATA_FSL_QUEUE_DEPTH),
.sg_tablesize = SATA_FSL_MAX_PRD_USABLE,
.dma_boundary = ATA_DMA_BOUNDARY,
@@ -1398,9 +1395,9 @@ static struct ata_port_operations sata_fsl_ops = {
.freeze = sata_fsl_freeze,
.thaw = sata_fsl_thaw,
- .softreset = sata_fsl_softreset,
- .hardreset = sata_fsl_hardreset,
- .pmp_softreset = sata_fsl_softreset,
+ .reset.softreset = sata_fsl_softreset,
+ .reset.hardreset = sata_fsl_hardreset,
+ .pmp_reset.softreset = sata_fsl_softreset,
.error_handler = sata_fsl_error_handler,
.post_internal_cmd = sata_fsl_post_internal_cmd,
@@ -1529,7 +1526,7 @@ error_exit_with_cleanup:
return retval;
}
-static int sata_fsl_remove(struct platform_device *ofdev)
+static void sata_fsl_remove(struct platform_device *ofdev)
{
struct ata_host *host = platform_get_drvdata(ofdev);
struct sata_fsl_host_priv *host_priv = host->private_data;
@@ -1538,15 +1535,15 @@ static int sata_fsl_remove(struct platform_device *ofdev)
device_remove_file(&ofdev->dev, &host_priv->rx_watermark);
ata_host_detach(host);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
static int sata_fsl_suspend(struct platform_device *op, pm_message_t state)
{
struct ata_host *host = platform_get_drvdata(op);
- return ata_host_suspend(host, state);
+
+ ata_host_suspend(host, state);
+ return 0;
}
static int sata_fsl_resume(struct platform_device *op)
@@ -1579,13 +1576,9 @@ static int sata_fsl_resume(struct platform_device *op)
#endif
static const struct of_device_id fsl_sata_match[] = {
- {
- .compatible = "fsl,pq-sata",
- },
- {
- .compatible = "fsl,pq-sata-v2",
- },
- {},
+ { .compatible = "fsl,pq-sata", },
+ { .compatible = "fsl,pq-sata-v2", },
+ { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, fsl_sata_match);