ARM: OMAP: fix 'using plain integer as NULL pointer' sparse warnings

sparse warns when 0 is passed to a function expecting a pointer argument.
Resolve these warnings by replacing the 0 with NULL.

arch/arm/plat-omap/include/plat/dmtimer.h:319:34: warning: Using plain integer as NULL pointer
arch/arm/plat-omap/include/plat/dmtimer.h:324:35: warning: Using plain integer as NULL pointer
arch/arm/mach-omap2/irq.c:294:22: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/board-palmz71.c:292:50: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/board-palmz71.c:295:73: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/ams-delta-fiq.c:105:63: warning: Using plain integer as NULL pointer

Signed-off-by: Paul Walmsley <paul@pwsan.com>

diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c
index fcce7ff..31197bd 100644 (file)
--- a/arch/arm/mach-omap1/ams-delta-fiq.c
+++ b/arch/arm/mach-omap1/ams-delta-fiq.c
@@ -102,7 +102,7 @@ void __init ams_delta_init_fiq(void)
        }
 
        retval = request_irq(INT_DEFERRED_FIQ, deferred_fiq,
-                       IRQ_TYPE_EDGE_RISING, "deferred_fiq", 0);
+                       IRQ_TYPE_EDGE_RISING, "deferred_fiq", NULL);
        if (retval < 0) {
                pr_err("Failed to get deferred_fiq IRQ, ret=%d\n", retval);
                release_fiq(&fh);

diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index a2c5abc..61ed4f0 100644 (file)
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -289,10 +289,10 @@ palmz71_gpio_setup(int early)
                gpio_direction_input(PALMZ71_USBDETECT_GPIO);
                if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
                                palmz71_powercable, IRQF_SAMPLE_RANDOM,
-                               "palmz71-cable", 0))
+                               "palmz71-cable", NULL))
                        printk(KERN_ERR
                                        "IRQ request for power cable failed!\n");
-               palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
+               palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL);
        }
 }
 

diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 14fbc78..80f3ced 100644 (file)
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -335,7 +335,7 @@ void omap_intc_restore_context(void)
 void omap3_intc_suspend(void)
 {
        /* A pending interrupt would prevent OMAP from entering suspend */
-       omap_ack_irq(0);
+       omap_ack_irq(NULL);
 }
 
 void omap3_intc_prepare_idle(void)

diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 9418f00..230ff91 100644 (file)
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -316,12 +316,12 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
                                OMAP_TIMER_V1_SYS_STAT_OFFSET;
                timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET;
                timer->irq_ena = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET;
-               timer->irq_dis = 0;
+               timer->irq_dis = NULL;
                timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;
                timer->func_base = timer->io_base;
        } else {
                timer->revision = 2;
-               timer->sys_stat = 0;
+               timer->sys_stat = NULL;
                timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS;
                timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET;
                timer->irq_dis = timer->io_base + OMAP_TIMER_V2_IRQENABLE_CLR;