[ARM] pxa: add namespace on ssp

In order to prevent code ambiguous, add namespace on functions in ssp driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/plat-pxa/include/plat/ssp.h

@@ -159,28 +159,28 @@ struct ssp_device {
 };
 
 /**
- * ssp_write_reg - Write to a SSP register
+ * pxa_ssp_write_reg - Write to a SSP register
  *
  * @dev: SSP device to access
  * @reg: Register to write to
  * @val: Value to be written.
  */
-static inline void ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val)
+static inline void pxa_ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val)
 {
 	__raw_writel(val, dev->mmio_base + reg);
 }
 
 /**
- * ssp_read_reg - Read from a SSP register
+ * pxa_ssp_read_reg - Read from a SSP register
  *
  * @dev: SSP device to access
  * @reg: Register to read from
  */
-static inline u32 ssp_read_reg(struct ssp_device *dev, u32 reg)
+static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg)
 {
 	return __raw_readl(dev->mmio_base + reg);
 }
 
-struct ssp_device *ssp_request(int port, const char *label);
-void ssp_free(struct ssp_device *);
+struct ssp_device *pxa_ssp_request(int port, const char *label);
+void pxa_ssp_free(struct ssp_device *);
 #endif /* __ASM_ARCH_SSP_H */

arch/arm/plat-pxa/ssp.c

@@ -37,7 +37,7 @@
 static DEFINE_MUTEX(ssp_lock);
 static LIST_HEAD(ssp_list);
 
-struct ssp_device *ssp_request(int port, const char *label)
+struct ssp_device *pxa_ssp_request(int port, const char *label)
 {
 	struct ssp_device *ssp = NULL;
 
@@ -58,9 +58,9 @@ struct ssp_device *ssp_request(int port, const char *label)
 
 	return ssp;
 }
-EXPORT_SYMBOL(ssp_request);
+EXPORT_SYMBOL(pxa_ssp_request);
 
-void ssp_free(struct ssp_device *ssp)
+void pxa_ssp_free(struct ssp_device *ssp)
 {
 	mutex_lock(&ssp_lock);
 	if (ssp->use_count) {
@@ -70,9 +70,9 @@ void ssp_free(struct ssp_device *ssp)
 		dev_err(&ssp->pdev->dev, "device already free\n");
 	mutex_unlock(&ssp_lock);
 }
-EXPORT_SYMBOL(ssp_free);
+EXPORT_SYMBOL(pxa_ssp_free);
 
-static int __devinit ssp_probe(struct platform_device *pdev)
+static int __devinit pxa_ssp_probe(struct platform_device *pdev)
 {
 	const struct platform_device_id *id = platform_get_device_id(pdev);
 	struct resource *res;
@@ -164,7 +164,7 @@ static int __devinit ssp_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int __devexit ssp_remove(struct platform_device *pdev)
+static int __devexit pxa_ssp_remove(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct ssp_device *ssp;
@@ -196,9 +196,9 @@ static const struct platform_device_id ssp_id_table[] = {
 	{ },
 };
 
-static struct platform_driver ssp_driver = {
-	.probe		= ssp_probe,
-	.remove		= __devexit_p(ssp_remove),
+static struct platform_driver pxa_ssp_driver = {
+	.probe		= pxa_ssp_probe,
+	.remove		= __devexit_p(pxa_ssp_remove),
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "pxa2xx-ssp",
@@ -208,12 +208,12 @@ static struct platform_driver ssp_driver = {
 
 static int __init pxa_ssp_init(void)
 {
-	return platform_driver_register(&ssp_driver);
+	return platform_driver_register(&pxa_ssp_driver);
 }
 
 static void __exit pxa_ssp_exit(void)
 {
-	platform_driver_unregister(&ssp_driver);
+	platform_driver_unregister(&pxa_ssp_driver);
 }
 
 arch_initcall(pxa_ssp_init);

drivers/spi/pxa2xx_spi.c

@@ -1465,7 +1465,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
 
 	platform_info = dev->platform_data;
 
-	ssp = ssp_request(pdev->id, pdev->name);
+	ssp = pxa_ssp_request(pdev->id, pdev->name);
 	if (ssp == NULL) {
 		dev_err(&pdev->dev, "failed to request SSP%d\n", pdev->id);
 		return -ENODEV;
@@ -1475,7 +1475,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
 	master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
 	if (!master) {
 		dev_err(&pdev->dev, "cannot alloc spi_master\n");
-		ssp_free(ssp);
+		pxa_ssp_free(ssp);
 		return -ENOMEM;
 	}
 	drv_data = spi_master_get_devdata(master);
@@ -1604,7 +1604,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
 
 out_error_master_alloc:
 	spi_master_put(master);
-	ssp_free(ssp);
+	pxa_ssp_free(ssp);
 	return status;
 }
 
@@ -1648,7 +1648,7 @@ static int pxa2xx_spi_remove(struct platform_device *pdev)
 	free_irq(ssp->irq, drv_data);
 
 	/* Release SSP */
-	ssp_free(ssp);
+	pxa_ssp_free(ssp);
 
 	/* Disconnect from the SPI framework */
 	spi_unregister_master(drv_data->master);