[ARM] omap: fix lots of 'Using plain integer as NULL pointer'

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 51a9be6..90ae0ef 100644 (file)
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -201,7 +201,7 @@ static int calc_dsor_exp(struct clk *clk, unsigned long rate)
                return -EINVAL;
 
        parent = clk->parent;
-       if (unlikely(parent == 0))
+       if (unlikely(parent == NULL))
                return -EIO;
 
        realrate = parent->rate;
@@ -499,7 +499,7 @@ static int omap1_clk_enable_generic(struct clk *clk)
        if (clk->flags & ALWAYS_ENABLED)
                return 0;
 
-       if (unlikely(clk->enable_reg == 0)) {
+       if (unlikely(clk->enable_reg == NULL)) {
                printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
                       clk->name);
                return -EINVAL;
@@ -535,7 +535,7 @@ static void omap1_clk_disable_generic(struct clk *clk)
        __u16 regval16;
        __u32 regval32;
 
-       if (clk->enable_reg == 0)
+       if (clk->enable_reg == NULL)
                return;
 
        if (clk->flags & ENABLE_REG_32BIT) {
@@ -577,7 +577,7 @@ static long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
                return clk->parent->rate / (1 << dsor_exp);
        }
 
-       if(clk->round_rate != 0)
+       if (clk->round_rate != NULL)
                return clk->round_rate(clk, rate);
 
        return clk->rate;

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 1d891e4..84cd1d9 100644 (file)
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -251,7 +251,7 @@ int _omap2_clk_enable(struct clk *clk)
        if (clk->enable)
                return clk->enable(clk);
 
-       if (unlikely(clk->enable_reg == 0)) {
+       if (unlikely(clk->enable_reg == NULL)) {
                printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
                       clk->name);
                return 0; /* REVISIT: -EINVAL */
@@ -283,7 +283,7 @@ void _omap2_clk_disable(struct clk *clk)
                return;
        }
 
-       if (clk->enable_reg == 0) {
+       if (clk->enable_reg == NULL) {
                /*
                 * 'Independent' here refers to a clock which is not
                 * controlled by its parent.
@@ -477,7 +477,7 @@ long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate)
 /* Given a clock and a rate apply a clock specific rounding function */
 long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
 {
-       if (clk->round_rate != 0)
+       if (clk->round_rate != NULL)
                return clk->round_rate(clk, rate);
 
        if (clk->flags & RATE_FIXED)
@@ -566,7 +566,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
  */
 void __iomem *omap2_get_clksel(struct clk *clk, u32 *field_mask)
 {
-       if (unlikely((clk->clksel_reg == 0) || (clk->clksel_mask == 0)))
+       if (unlikely((clk->clksel_reg == NULL) || (clk->clksel_mask == NULL)))
                return NULL;
 
        *field_mask = clk->clksel_mask;
@@ -586,7 +586,7 @@ u32 omap2_clksel_get_divisor(struct clk *clk)
        void __iomem *div_addr;
 
        div_addr = omap2_get_clksel(clk, &field_mask);
-       if (div_addr == 0)
+       if (div_addr == NULL)
                return 0;
 
        field_val = __raw_readl(div_addr) & field_mask;
@@ -605,7 +605,7 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
                return -EINVAL;
 
        div_addr = omap2_get_clksel(clk, &field_mask);
-       if (div_addr == 0)
+       if (div_addr == NULL)
                return -EINVAL;
 
        field_val = omap2_divisor_to_clksel(clk, new_div);
@@ -643,7 +643,7 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
                return -EINVAL;
 
        /* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
-       if (clk->set_rate != 0)
+       if (clk->set_rate != NULL)
                ret = clk->set_rate(clk, rate);
 
        if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
@@ -664,7 +664,7 @@ static u32 omap2_clksel_get_src_field(void __iomem **src_addr,
        const struct clksel_rate *clkr;
 
        *parent_div = 0;
-       *src_addr = 0;
+       *src_addr = NULL;
 
        clks = omap2_get_clksel_by_parent(clk, src_clk);
        if (clks == NULL)
@@ -705,7 +705,7 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
 
        field_val = omap2_clksel_get_src_field(&src_addr, new_parent,
                                               &field_mask, clk, &parent_div);
-       if (src_addr == 0)
+       if (src_addr == NULL)
                return -EINVAL;
 
        if (clk->usecount > 0)

diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 7faa53c..69651cf 100644 (file)
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -108,7 +108,7 @@ void __init omap_serial_init()
                struct plat_serial8250_port *p = serial_platform_data + i;
 
                if (!(info->enabled_uarts & (1 << i))) {
-                       p->membase = 0;
+                       p->membase = NULL;
                        p->mapbase = 0;
                        continue;
                }

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index b4057e2..50f8b4a 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1233,7 +1233,7 @@ int omap_request_dma_chain(int dev_id, const char *dev_name,
        /* request and reserve DMA channels for the chain */
        for (i = 0; i < no_of_chans; i++) {
                err = omap_request_dma(dev_id, dev_name,
-                                       callback, 0, &channels[i]);
+                                       callback, NULL, &channels[i]);
                if (err < 0) {
                        int j;
                        for (j = 0; j < i; j++)

diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c
index 51a138b..06a69e0 100644 (file)
--- a/drivers/video/omap/omapfb_main.c
+++ b/drivers/video/omap/omapfb_main.c
@@ -740,7 +740,7 @@ static int omapfb_update_win(struct fb_info *fbi,
        int ret;
 
        omapfb_rqueue_lock(plane->fbdev);
-       ret = omapfb_update_window_async(fbi, win, NULL, 0);
+       ret = omapfb_update_window_async(fbi, win, NULL, NULL);
        omapfb_rqueue_unlock(plane->fbdev);
 
        return ret;
@@ -768,7 +768,7 @@ static int omapfb_update_full_screen(struct fb_info *fbi)
        win.format = 0;
 
        omapfb_rqueue_lock(fbdev);
-       r = fbdev->ctrl->update_window(fbi, &win, NULL, 0);
+       r = fbdev->ctrl->update_window(fbi, &win, NULL, NULL);
        omapfb_rqueue_unlock(fbdev);
 
        return r;
@@ -1047,7 +1047,7 @@ void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval)
                win.height = 2;
                win.out_width = 2;
                win.out_height = 2;
-               fbdev->ctrl->update_window(fbdev->fb_info[0], &win, NULL, 0);
+               fbdev->ctrl->update_window(fbdev->fb_info[0], &win, NULL, NULL);
        }
        omapfb_rqueue_unlock(fbdev);
 }