Signed-off-by: Hans de Goede <[email protected]>
---
drivers/ata/ahci_platform.c | 41 +++++++++++++++++++++++++++++------------
1 file changed, 29 insertions(+), 12 deletions(-)
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 3bc2dab..0676d72 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -20,6 +20,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/libata.h>
#include <linux/ahci_platform.h>
@@ -87,6 +88,30 @@ static struct scsi_host_template ahci_platform_sht = {
AHCI_SHT("ahci_platform"),
};
+static const struct of_device_id ahci_of_match[] = {
+ { .compatible = "snps,spear-ahci", },
+ { .compatible = "snps,exynos5440-ahci", },
+ { .compatible = "ibm,476gtr-ahci", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ahci_of_match);
+
+static const struct ahci_platform_data *ahci_get_pdata(struct device *dev)
+{
+ struct ahci_platform_data *pdata;
+ const struct of_device_id *of_id;
+
+ pdata = dev_get_platdata(dev);
+ if (pdata)
+ return pdata;
+
+ of_id = of_match_device(ahci_of_match, dev);
+ if (of_id)
+ return of_id->data;
+
+ return NULL;
+}
+
static int ahci_enable_clks(struct device *dev, struct ahci_host_priv *hpriv)
{
int c, rc;
@@ -126,7 +151,7 @@ static void ahci_put_clks(struct ahci_host_priv *hpriv)
static int ahci_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct ahci_platform_data *pdata = dev_get_platdata(dev);
+ const struct ahci_platform_data *pdata = ahci_get_pdata(dev);
const struct platform_device_id *id = platform_get_device_id(pdev);
struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0];
const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -290,7 +315,7 @@ free_clk:
static void ahci_host_stop(struct ata_host *host)
{
struct device *dev = host->dev;
- struct ahci_platform_data *pdata = dev_get_platdata(dev);
+ const struct ahci_platform_data *pdata = ahci_get_pdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
if (hpriv->target_pwr)
@@ -306,7 +331,7 @@ static void ahci_host_stop(struct ata_host *host)
#ifdef CONFIG_PM_SLEEP
static int ahci_suspend(struct device *dev)
{
- struct ahci_platform_data *pdata = dev_get_platdata(dev);
+ const struct ahci_platform_data *pdata = ahci_get_pdata(dev);
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
void __iomem *mmio = hpriv->mmio;
@@ -345,7 +370,7 @@ static int ahci_suspend(struct device *dev)
static int ahci_resume(struct device *dev)
{
- struct ahci_platform_data *pdata = dev_get_platdata(dev);
+ const struct ahci_platform_data *pdata = ahci_get_pdata(dev);
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
int rc;
@@ -393,14 +418,6 @@ disable_unprepare_clk:
static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_suspend, ahci_resume);
-static const struct of_device_id ahci_of_match[] = {
- { .compatible = "snps,spear-ahci", },
- { .compatible = "snps,exynos5440-ahci", },
- { .compatible = "ibm,476gtr-ahci", },
- {},
-};
-MODULE_DEVICE_TABLE(of, ahci_of_match);
-
static struct platform_driver ahci_driver = {
.probe = ahci_probe,
.remove = ata_platform_remove_one,
--
1.8.4.2
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