diff options
Diffstat (limited to 'drivers/pnp/resource.c')
| -rw-r--r-- | drivers/pnp/resource.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 635b11a0cf82..ea6ec14a0559 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -3,7 +3,6 @@ * * based on isapnp.c resource management (c) Jaroslav Kysela <perex@suse.cz> * Copyright 2003 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/module.h> @@ -20,10 +19,10 @@ #include <linux/pnp.h> #include "base.h" -static int pnp_reserve_irq[16] = {[0...15] = -1 }; /* reserve (don't use) some IRQ */ -static int pnp_reserve_dma[8] = {[0...7] = -1 }; /* reserve (don't use) some DMA */ -static int pnp_reserve_io[16] = {[0...15] = -1 }; /* reserve (don't use) some I/O region */ -static int pnp_reserve_mem[16] = {[0...15] = -1 }; /* reserve (don't use) some memory region */ +static int pnp_reserve_irq[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some IRQ */ +static int pnp_reserve_dma[8] = {[0 ... 7] = -1 }; /* reserve (don't use) some DMA */ +static int pnp_reserve_io[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some I/O region */ +static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some memory region */ /* * option registration @@ -33,7 +32,6 @@ static struct pnp_option *pnp_build_option(int priority) { struct pnp_option *option = pnp_alloc(sizeof(struct pnp_option)); - /* check if pnp_alloc ran out of memory */ if (!option) return NULL; @@ -48,6 +46,7 @@ static struct pnp_option *pnp_build_option(int priority) struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev) { struct pnp_option *option; + if (!dev) return NULL; @@ -64,6 +63,7 @@ struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int priority) { struct pnp_option *option; + if (!dev) return NULL; @@ -82,6 +82,7 @@ struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) { struct pnp_irq *ptr; + if (!option) return -EINVAL; if (!data) @@ -110,6 +111,7 @@ int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) { struct pnp_dma *ptr; + if (!option) return -EINVAL; if (!data) @@ -129,6 +131,7 @@ int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) { struct pnp_port *ptr; + if (!option) return -EINVAL; if (!data) @@ -148,6 +151,7 @@ int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data) { struct pnp_mem *ptr; + if (!option) return -EINVAL; if (!data) @@ -240,6 +244,7 @@ int pnp_check_port(struct pnp_dev *dev, int idx) int tmp; struct pnp_dev *tdev; resource_size_t *port, *end, *tport, *tend; + port = &dev->res.port_resource[idx].start; end = &dev->res.port_resource[idx].end; @@ -297,6 +302,7 @@ int pnp_check_mem(struct pnp_dev *dev, int idx) int tmp; struct pnp_dev *tdev; resource_size_t *addr, *end, *taddr, *tend; + addr = &dev->res.mem_resource[idx].start; end = &dev->res.mem_resource[idx].end; @@ -474,22 +480,12 @@ int pnp_check_dma(struct pnp_dev *dev, int idx) return 1; #else - /* IA64 hasn't legacy DMA */ + /* IA64 does not have legacy DMA */ return 0; #endif } -#if 0 -EXPORT_SYMBOL(pnp_register_dependent_option); -EXPORT_SYMBOL(pnp_register_independent_option); -EXPORT_SYMBOL(pnp_register_irq_resource); -EXPORT_SYMBOL(pnp_register_dma_resource); -EXPORT_SYMBOL(pnp_register_port_resource); -EXPORT_SYMBOL(pnp_register_mem_resource); -#endif /* 0 */ - /* format is: pnp_reserve_irq=irq1[,irq2] .... */ - static int __init pnp_setup_reserve_irq(char *str) { int i; @@ -503,7 +499,6 @@ static int __init pnp_setup_reserve_irq(char *str) __setup("pnp_reserve_irq=", pnp_setup_reserve_irq); /* format is: pnp_reserve_dma=dma1[,dma2] .... */ - static int __init pnp_setup_reserve_dma(char *str) { int i; @@ -517,7 +512,6 @@ static int __init pnp_setup_reserve_dma(char *str) __setup("pnp_reserve_dma=", pnp_setup_reserve_dma); /* format is: pnp_reserve_io=io1,size1[,io2,size2] .... */ - static int __init pnp_setup_reserve_io(char *str) { int i; @@ -531,7 +525,6 @@ static int __init pnp_setup_reserve_io(char *str) __setup("pnp_reserve_io=", pnp_setup_reserve_io); /* format is: pnp_reserve_mem=mem1,size1[,mem2,size2] .... */ - static int __init pnp_setup_reserve_mem(char *str) { int i; |