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path: root/drivers/ata/pata_mpc52xx.c
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Diffstat (limited to 'drivers/ata/pata_mpc52xx.c')
-rw-r--r--drivers/ata/pata_mpc52xx.c89
1 files changed, 30 insertions, 59 deletions
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 00748ae1a01..ccd1c83a05c 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -26,9 +26,9 @@
#include <asm/prom.h>
#include <asm/mpc52xx.h>
-#include <sysdev/bestcomm/bestcomm.h>
-#include <sysdev/bestcomm/bestcomm_priv.h>
-#include <sysdev/bestcomm/ata.h>
+#include <linux/fsl/bestcomm/bestcomm.h>
+#include <linux/fsl/bestcomm/bestcomm_priv.h>
+#include <linux/fsl/bestcomm/ata.h>
#define DRV_NAME "mpc52xx_ata"
@@ -621,9 +621,10 @@ static struct ata_port_operations mpc52xx_ata_port_ops = {
.qc_prep = ata_noop_qc_prep,
};
-static int __devinit
-mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv,
- unsigned long raw_ata_regs, int mwdma_mask, int udma_mask)
+static int mpc52xx_ata_init_one(struct device *dev,
+ struct mpc52xx_ata_priv *priv,
+ unsigned long raw_ata_regs,
+ int mwdma_mask, int udma_mask)
{
struct ata_host *host;
struct ata_port *ap;
@@ -663,35 +664,22 @@ mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv,
&mpc52xx_ata_sht);
}
-static struct mpc52xx_ata_priv *
-mpc52xx_ata_remove_one(struct device *dev)
-{
- struct ata_host *host = dev_get_drvdata(dev);
- struct mpc52xx_ata_priv *priv = host->private_data;
-
- ata_host_detach(host);
-
- return priv;
-}
-
-
/* ======================================================================== */
/* OF Platform driver */
/* ======================================================================== */
-static int __devinit
-mpc52xx_ata_probe(struct platform_device *op)
+static int mpc52xx_ata_probe(struct platform_device *op)
{
unsigned int ipb_freq;
struct resource res_mem;
int ata_irq = 0;
struct mpc52xx_ata __iomem *ata_regs;
struct mpc52xx_ata_priv *priv = NULL;
- int rv, ret, task_irq = 0;
+ int rv, task_irq;
int mwdma_mask = 0, udma_mask = 0;
const __be32 *prop;
int proplen;
- struct bcom_task *dmatsk = NULL;
+ struct bcom_task *dmatsk;
/* Get ipb frequency */
ipb_freq = mpc5xxx_get_bus_frequency(op->dev.of_node);
@@ -717,8 +705,7 @@ mpc52xx_ata_probe(struct platform_device *op)
ata_regs = devm_ioremap(&op->dev, res_mem.start, sizeof(*ata_regs));
if (!ata_regs) {
dev_err(&op->dev, "error mapping device registers\n");
- rv = -ENOMEM;
- goto err;
+ return -ENOMEM;
}
/*
@@ -753,7 +740,7 @@ mpc52xx_ata_probe(struct platform_device *op)
if (!priv) {
dev_err(&op->dev, "error allocating private structure\n");
rv = -ENOMEM;
- goto err;
+ goto err1;
}
priv->ipb_period = 1000000000 / (ipb_freq / 1000);
@@ -776,15 +763,15 @@ mpc52xx_ata_probe(struct platform_device *op)
if (!dmatsk) {
dev_err(&op->dev, "bestcomm initialization failed\n");
rv = -ENOMEM;
- goto err;
+ goto err1;
}
task_irq = bcom_get_task_irq(dmatsk);
- ret = request_irq(task_irq, &mpc52xx_ata_task_irq, 0,
+ rv = devm_request_irq(&op->dev, task_irq, &mpc52xx_ata_task_irq, 0,
"ATA task", priv);
- if (ret) {
+ if (rv) {
dev_err(&op->dev, "error requesting DMA IRQ\n");
- goto err;
+ goto err2;
}
priv->dmatsk = dmatsk;
@@ -792,7 +779,7 @@ mpc52xx_ata_probe(struct platform_device *op)
rv = mpc52xx_ata_hw_init(priv);
if (rv) {
dev_err(&op->dev, "error initializing hardware\n");
- goto err;
+ goto err2;
}
/* Register ourselves to libata */
@@ -800,34 +787,28 @@ mpc52xx_ata_probe(struct platform_device *op)
mwdma_mask, udma_mask);
if (rv) {
dev_err(&op->dev, "error registering with ATA layer\n");
- goto err;
+ goto err2;
}
return 0;
- err:
- devm_release_mem_region(&op->dev, res_mem.start, sizeof(*ata_regs));
- if (ata_irq)
- irq_dispose_mapping(ata_irq);
- if (task_irq)
- irq_dispose_mapping(task_irq);
- if (dmatsk)
- bcom_ata_release(dmatsk);
- if (ata_regs)
- devm_iounmap(&op->dev, ata_regs);
- if (priv)
- devm_kfree(&op->dev, priv);
+ err2:
+ irq_dispose_mapping(task_irq);
+ bcom_ata_release(dmatsk);
+ err1:
+ irq_dispose_mapping(ata_irq);
return rv;
}
static int
mpc52xx_ata_remove(struct platform_device *op)
{
- struct mpc52xx_ata_priv *priv;
+ struct ata_host *host = platform_get_drvdata(op);
+ struct mpc52xx_ata_priv *priv = host->private_data;
int task_irq;
/* Deregister the ATA interface */
- priv = mpc52xx_ata_remove_one(&op->dev);
+ ata_platform_remove_one(op);
/* Clean up DMA */
task_irq = bcom_get_task_irq(priv->dmatsk);
@@ -835,22 +816,14 @@ mpc52xx_ata_remove(struct platform_device *op)
bcom_ata_release(priv->dmatsk);
irq_dispose_mapping(priv->ata_irq);
- /* Clear up IO allocations */
- devm_iounmap(&op->dev, priv->ata_regs);
- devm_release_mem_region(&op->dev, priv->ata_regs_pa,
- sizeof(*priv->ata_regs));
- devm_kfree(&op->dev, priv);
-
return 0;
}
-
-#ifdef CONFIG_PM
-
+#ifdef CONFIG_PM_SLEEP
static int
mpc52xx_ata_suspend(struct platform_device *op, pm_message_t state)
{
- struct ata_host *host = dev_get_drvdata(&op->dev);
+ struct ata_host *host = platform_get_drvdata(op);
return ata_host_suspend(host, state);
}
@@ -858,7 +831,7 @@ mpc52xx_ata_suspend(struct platform_device *op, pm_message_t state)
static int
mpc52xx_ata_resume(struct platform_device *op)
{
- struct ata_host *host = dev_get_drvdata(&op->dev);
+ struct ata_host *host = platform_get_drvdata(op);
struct mpc52xx_ata_priv *priv = host->private_data;
int rv;
@@ -872,10 +845,8 @@ mpc52xx_ata_resume(struct platform_device *op)
return 0;
}
-
#endif
-
static struct of_device_id mpc52xx_ata_of_match[] = {
{ .compatible = "fsl,mpc5200-ata", },
{ .compatible = "mpc5200-ata", },
@@ -886,7 +857,7 @@ static struct of_device_id mpc52xx_ata_of_match[] = {
static struct platform_driver mpc52xx_ata_of_platform_driver = {
.probe = mpc52xx_ata_probe,
.remove = mpc52xx_ata_remove,
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
.suspend = mpc52xx_ata_suspend,
.resume = mpc52xx_ata_resume,
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 13:34:31 +0000