diff options
Diffstat (limited to 'arch/arm/kernel/ecard.c')
| -rw-r--r-- | arch/arm/kernel/ecard.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index bdbd7da9928..f56d48c451e 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -41,11 +41,11 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/kthread.h> +#include <linux/io.h> #include <asm/dma.h> #include <asm/ecard.h> #include <asm/hardware.h> -#include <asm/io.h> #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/mach/irq.h> @@ -958,6 +958,31 @@ void ecard_release_resources(struct expansion_card *ec) } EXPORT_SYMBOL(ecard_release_resources); +void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data) +{ + ec->irq_data = irq_data; + barrier(); + ec->ops = ops; +} +EXPORT_SYMBOL(ecard_setirq); + +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize) +{ + unsigned long start = ecard_resource_start(ec, res); + unsigned long end = ecard_resource_end(ec, res); + + if (offset > (end - start)) + return NULL; + + start += offset; + if (maxsize && end - start > maxsize) + end = start + maxsize; + + return devm_ioremap(&ec->dev, start, end - start); +} +EXPORT_SYMBOL(ecardm_iomap); + /* * Probe for an expansion card. * @@ -1133,6 +1158,14 @@ static int ecard_drv_remove(struct device *dev) drv->remove(ec); ecard_release(ec); + /* + * Restore the default operations. We ensure that the + * ops are set before we change the data. + */ + ec->ops = &ecard_default_ops; + barrier(); + ec->irq_data = NULL; + return 0; } |