diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
| commit | 69485d3e6d6839b46a56c77d2dffad18cb7d373f (patch) | |
| tree | 20e9de1d5fd9f6617b05e759f9326eaffaf743ee /drivers/pnp/manager.c | |
| parent | f2a93e2a4c048dfb5c7ee3f159a4a1d1cb61b4b5 (diff) | |
| parent | 7881fd0fb3ecc9e367ba998a4de533e7eecbdfeb (diff) | |
Merge remote-tracking branch 'asoc/fix/adsp' into asoc-adsp
Diffstat (limited to 'drivers/pnp/manager.c')
| -rw-r--r-- | drivers/pnp/manager.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index ed9ce507149..95cebf0185d 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -18,11 +18,27 @@ DEFINE_MUTEX(pnp_res_mutex); +static struct resource *pnp_find_resource(struct pnp_dev *dev, + unsigned char rule, + unsigned long type, + unsigned int bar) +{ + struct resource *res = pnp_get_resource(dev, type, bar); + + /* when the resource already exists, set its resource bits from rule */ + if (res) { + res->flags &= ~IORESOURCE_BITS; + res->flags |= rule & IORESOURCE_BITS; + } + + return res; +} + static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) { struct resource *res, local_res; - res = pnp_get_resource(dev, IORESOURCE_IO, idx); + res = pnp_find_resource(dev, rule->flags, IORESOURCE_IO, idx); if (res) { pnp_dbg(&dev->dev, " io %d already set to %#llx-%#llx " "flags %#lx\n", idx, (unsigned long long) res->start, @@ -65,7 +81,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) { struct resource *res, local_res; - res = pnp_get_resource(dev, IORESOURCE_MEM, idx); + res = pnp_find_resource(dev, rule->flags, IORESOURCE_MEM, idx); if (res) { pnp_dbg(&dev->dev, " mem %d already set to %#llx-%#llx " "flags %#lx\n", idx, (unsigned long long) res->start, @@ -78,6 +94,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) res->start = 0; res->end = 0; + /* ??? rule->flags restricted to 8 bits, all tests bogus ??? */ if (!(rule->flags & IORESOURCE_MEM_WRITEABLE)) res->flags |= IORESOURCE_READONLY; if (rule->flags & IORESOURCE_MEM_CACHEABLE) @@ -123,7 +140,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) 5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2 }; - res = pnp_get_resource(dev, IORESOURCE_IRQ, idx); + res = pnp_find_resource(dev, rule->flags, IORESOURCE_IRQ, idx); if (res) { pnp_dbg(&dev->dev, " irq %d already set to %d flags %#lx\n", idx, (int) res->start, res->flags); @@ -182,7 +199,7 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) 1, 3, 5, 6, 7, 0, 2, 4 }; - res = pnp_get_resource(dev, IORESOURCE_DMA, idx); + res = pnp_find_resource(dev, rule->flags, IORESOURCE_DMA, idx); if (res) { pnp_dbg(&dev->dev, " dma %d already set to %d flags %#lx\n", idx, (int) res->start, res->flags); |