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authorOlof Johansson <olof@lixom.net>2013-01-14 10:20:02 -0800
committerOlof Johansson <olof@lixom.net>2013-01-14 10:20:02 -0800
commit8d84981e395850aab31c3f2ca7e2738e03f671d7 (patch)
tree933425fddb23d28be802277471df3fe3f6c2711d /drivers/pnp/manager.c
parent00c82d64405631967dca3890a9ce80ab35d04cc7 (diff)
parent77cc982f6a3b33a5aa058ad3b20cda8866db2948 (diff)
downloadop-kernel-dev-8d84981e395850aab31c3f2ca7e2738e03f671d7.zip
op-kernel-dev-8d84981e395850aab31c3f2ca7e2738e03f671d7.tar.gz
Merge branch 'clocksource/cleanup' into next/cleanup
Clockevent cleanup series from Shawn Guo. Resolved move/change conflict in mach-pxa/time.c due to the sys_timer cleanup. * clocksource/cleanup: clocksource: use clockevents_config_and_register() where possible ARM: use clockevents_config_and_register() where possible clockevents: export clockevents_config_and_register for module use + sync to Linux 3.8-rc3 Signed-off-by: Olof Johansson <olof@lixom.net> Conflicts: arch/arm/mach-pxa/time.c
Diffstat (limited to 'drivers/pnp/manager.c')
-rw-r--r--drivers/pnp/manager.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index ed9ce50..95cebf0 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);
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