[POWERPC] mpc5200: eliminate mpc52xx_*_map_*() functions.

mpc5200 platform code defines a bunch of map functions which duplicate the
functionality of of_iomap().  Remove them and use of_iomap() instead.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c
index ce903be..5a8d190 100644 (file)
--- a/arch/powerpc/platforms/52xx/lite5200.c
+++ b/arch/powerpc/platforms/52xx/lite5200.c
@@ -42,10 +42,13 @@
 static void __init
 lite5200_fix_clock_config(void)
 {
+       struct device_node *np;
        struct mpc52xx_cdm  __iomem *cdm;
 
        /* Map zones */
-       cdm = mpc52xx_find_and_map("mpc5200-cdm");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-cdm");
+       cdm = of_iomap(np, 0);
+       of_node_put(np);
        if (!cdm) {
                printk(KERN_ERR "%s() failed; expect abnormal behaviour\n",
                       __FUNCTION__);
@@ -74,10 +77,13 @@ lite5200_fix_clock_config(void)
 static void __init
 lite5200_fix_port_config(void)
 {
+       struct device_node *np;
        struct mpc52xx_gpio __iomem *gpio;
        u32 port_config;
 
-       gpio = mpc52xx_find_and_map("mpc5200-gpio");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-gpio");
+       gpio = of_iomap(np, 0);
+       of_node_put(np);
        if (!gpio) {
                printk(KERN_ERR "%s() failed. expect abnormal behavior\n",
                       __FUNCTION__);

diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index ffa14af..c3ada1e 100644 (file)
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -42,6 +42,8 @@ static int lite5200_pm_set_target(suspend_state_t state)
 
 static int lite5200_pm_prepare(void)
 {
+       struct device_node *np;
+
        /* deep sleep? let mpc52xx code handle that */
        if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
                return mpc52xx_pm_prepare();
@@ -50,7 +52,9 @@ static int lite5200_pm_prepare(void)
                return -EINVAL;
 
        /* map registers */
-       mbar = mpc52xx_find_and_map("mpc5200");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200");
+       mbar = of_iomap(np, 0);
+       of_node_put(np);
        if (!mbar) {
                printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
                return -ENOSYS;

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index e626d10..6695593 100644 (file)
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -26,45 +26,6 @@
  */
 static volatile struct mpc52xx_gpt *mpc52xx_wdt = NULL;
 
-static void __iomem *
-mpc52xx_map_node(struct device_node *ofn)
-{
-       const u32 *regaddr_p;
-       u64 regaddr64, size64;
-
-       if (!ofn)
-               return NULL;
-
-       regaddr_p = of_get_address(ofn, 0, &size64, NULL);
-       if (!regaddr_p) {
-               of_node_put(ofn);
-               return NULL;
-       }
-
-       regaddr64 = of_translate_address(ofn, regaddr_p);
-
-       of_node_put(ofn);
-
-       return ioremap((u32)regaddr64, (u32)size64);
-}
-
-void __iomem *
-mpc52xx_find_and_map(const char *compatible)
-{
-       return mpc52xx_map_node(
-               of_find_compatible_node(NULL, NULL, compatible));
-}
-
-EXPORT_SYMBOL(mpc52xx_find_and_map);
-
-void __iomem *
-mpc52xx_find_and_map_path(const char *path)
-{
-       return mpc52xx_map_node(of_find_node_by_path(path));
-}
-
-EXPORT_SYMBOL(mpc52xx_find_and_map_path);
-
 /**
  *     mpc52xx_find_ipb_freq - Find the IPB bus frequency for a device
  *     @node:  device node
@@ -101,9 +62,12 @@ EXPORT_SYMBOL(mpc52xx_find_ipb_freq);
 void __init
 mpc5200_setup_xlb_arbiter(void)
 {
+       struct device_node *np;
        struct mpc52xx_xlb  __iomem *xlb;
 
-       xlb = mpc52xx_find_and_map("mpc5200-xlb");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-xlb");
+       xlb = of_iomap(np, 0);
+       of_node_put(np);
        if (!xlb) {
                printk(KERN_ERR __FILE__ ": "
                        "Error mapping XLB in mpc52xx_setup_cpu().  "
@@ -156,16 +120,19 @@ mpc52xx_map_wdt(void)
        for_each_compatible_node(np, NULL, "fsl,mpc5200-gpt") {
                has_wdt = of_get_property(np, "fsl,has-wdt", NULL);
                if (has_wdt) {
-                       mpc52xx_wdt = mpc52xx_map_node(np);
+                       mpc52xx_wdt = of_iomap(np, 0);
+                       of_node_put(np);
                        return;
                }
        }
        for_each_compatible_node(np, NULL, "mpc5200-gpt") {
                has_wdt = of_get_property(np, "has-wdt", NULL);
                if (has_wdt) {
-                       mpc52xx_wdt = mpc52xx_map_node(np);
+                       mpc52xx_wdt = of_iomap(np, 0);
+                       of_node_put(np);
                        return;
                }
+
        }
 }
 

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 61100f2..07e8987 100644 (file)
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -364,16 +364,18 @@ void __init mpc52xx_init_irq(void)
 {
        u32 intr_ctrl;
        struct device_node *picnode;
+       struct device_node *np;
 
        /* Remap the necessary zones */
        picnode = of_find_compatible_node(NULL, NULL, "mpc5200-pic");
-
-       intr = mpc52xx_find_and_map("mpc5200-pic");
+       intr = of_iomap(picnode, 0);
        if (!intr)
                panic(__FILE__  ": find_and_map failed on 'mpc5200-pic'. "
                                "Check node !");
 
-       sdma = mpc52xx_find_and_map("mpc5200-bestcomm");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-bestcomm");
+       sdma = of_iomap(np, 0);
+       of_node_put(np);
        if (!sdma)
                panic(__FILE__  ": find_and_map failed on 'mpc5200-bestcomm'. "
                                "Check node !");

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
index 7ffa7ba..52f0277 100644 (file)
--- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
@@ -59,10 +59,14 @@ int mpc52xx_set_wakeup_gpio(u8 pin, u8 level)
 
 int mpc52xx_pm_prepare(void)
 {
+       struct device_node *np;
+
        /* map the whole register space */
-       mbar = mpc52xx_find_and_map("mpc5200");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200");
+       mbar = of_iomap(np, 0);
+       of_node_put(np);
        if (!mbar) {
-               printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
+               pr_err("mpc52xx_pm_prepare(): could not map registers\n");
                return -ENOSYS;
        }
        /* these offsets are from mpc5200 users manual */

diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 7051e6c..d398c93 100644 (file)
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -330,6 +330,7 @@ static void mpc52xx_psc_spi_cleanup(struct spi_device *spi)
 
 static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
 {
+       struct device_node *np;
        struct mpc52xx_cdm __iomem *cdm;
        struct mpc52xx_gpio __iomem *gpio;
        struct mpc52xx_psc __iomem *psc = mps->psc;
@@ -338,8 +339,12 @@ static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
        int ret = 0;
 
 #if defined(CONFIG_PPC_MERGE)
-       cdm = mpc52xx_find_and_map("mpc5200-cdm");
-       gpio = mpc52xx_find_and_map("mpc5200-gpio");
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-cdm");
+       cdm = of_iomap(np, 0);
+       of_node_put(np);
+       np = of_find_compatible_node(NULL, NULL, "mpc5200-gpio");
+       gpio = of_iomap(np, 0);
+       of_node_put(np);
 #else
        cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
        gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);

diff --git a/include/asm-powerpc/mpc52xx.h b/include/asm-powerpc/mpc52xx.h
index d7efbe0..1c48c6d 100644 (file)
--- a/include/asm-powerpc/mpc52xx.h
+++ b/include/asm-powerpc/mpc52xx.h
@@ -248,8 +248,6 @@ struct mpc52xx_cdm {
 
 #ifndef __ASSEMBLY__
 
-extern void __iomem * mpc52xx_find_and_map(const char *);
-extern void __iomem * mpc52xx_find_and_map_path(const char *path);
 extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);
 extern void mpc5200_setup_xlb_arbiter(void);
 extern void mpc52xx_declare_of_platform_devices(void);