diff options
Diffstat (limited to 'arch/powerpc/kernel/btext.c')
| -rw-r--r-- | arch/powerpc/kernel/btext.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 6537cba1a7580..b2072d5bbf2bb 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -157,20 +157,20 @@ void btext_map(void) /* By default, we are no longer mapped */ boot_text_mapped = 0; - if (dispDeviceBase == 0) + if (!dispDeviceBase) return; base = ((unsigned long) dispDeviceBase) & 0xFFFFF000UL; offset = ((unsigned long) dispDeviceBase) - base; size = dispDeviceRowBytes * dispDeviceRect[3] + offset + dispDeviceRect[0]; vbase = __ioremap(base, size, pgprot_val(pgprot_noncached_wc(__pgprot(0)))); - if (vbase == 0) + if (!vbase) return; logicalDisplayBase = vbase + offset; boot_text_mapped = 1; } -int btext_initialize(struct device_node *np) +static int btext_initialize(struct device_node *np) { unsigned int width, height, depth, pitch; unsigned long address = 0; @@ -270,7 +270,7 @@ static unsigned char * calc_base(int x, int y) unsigned char *base; base = logicalDisplayBase; - if (base == 0) + if (!base) base = dispDeviceBase; base += (x + dispDeviceRect[0]) * (dispDeviceDepth >> 3); base += (y + dispDeviceRect[1]) * dispDeviceRowBytes; @@ -281,7 +281,7 @@ static unsigned char * calc_base(int x, int y) void btext_update_display(unsigned long phys, int width, int height, int depth, int pitch) { - if (dispDeviceBase == 0) + if (!dispDeviceBase) return; /* check it's the same frame buffer (within 256MB) */ |