PNP: remove PNP_MAX_* uses

Remove some PNP_MAX_* uses.  The pnp_resource_table isn't
dynamic yet, but with pnp_get_resource(), we can start moving
away from the table size constants.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

4 files changed, 60 insertions, 63 deletions

diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index a608054a3e5..e9e66ed4fa3 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -248,6 +248,7 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
                                           char *buf)
 {
         struct pnp_dev *dev = to_pnp_dev(dmdev);
+        struct resource *res;
         int i, ret;
         pnp_info_buffer_t *buffer;
 
@@ -267,50 +268,46 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
         else
                 pnp_printf(buffer, "disabled\n");
 
-        for (i = 0; i < PNP_MAX_PORT; i++) {
-                if (pnp_port_valid(dev, i)) {
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
+                if (pnp_resource_valid(res)) {
                         pnp_printf(buffer, "io");
-                        if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED)
+                        if (res->flags & IORESOURCE_DISABLED)
                                 pnp_printf(buffer, " disabled\n");
                         else
                                 pnp_printf(buffer, " 0x%llx-0x%llx\n",
-                                           (unsigned long long)
-                                           pnp_port_start(dev, i),
-                                           (unsigned long long)pnp_port_end(dev,
-                                                                            i));
+                                           (unsigned long long) res->start,
+                                           (unsigned long long) res->end);
                 }
         }
-        for (i = 0; i < PNP_MAX_MEM; i++) {
-                if (pnp_mem_valid(dev, i)) {
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
+                if (pnp_resource_valid(res)) {
                         pnp_printf(buffer, "mem");
-                        if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED)
+                        if (res->flags & IORESOURCE_DISABLED)
                                 pnp_printf(buffer, " disabled\n");
                         else
                                 pnp_printf(buffer, " 0x%llx-0x%llx\n",
-                                           (unsigned long long)
-                                           pnp_mem_start(dev, i),
-                                           (unsigned long long)pnp_mem_end(dev,
-                                                                           i));
+                                           (unsigned long long) res->start,
+                                           (unsigned long long) res->end);
                 }
         }
-        for (i = 0; i < PNP_MAX_IRQ; i++) {
-                if (pnp_irq_valid(dev, i)) {
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IRQ, i)); i++) {
+                if (pnp_resource_valid(res)) {
                         pnp_printf(buffer, "irq");
-                        if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED)
+                        if (res->flags & IORESOURCE_DISABLED)
                                 pnp_printf(buffer, " disabled\n");
                         else
                                 pnp_printf(buffer, " %lld\n",
-                                           (unsigned long long)pnp_irq(dev, i));
+                                           (unsigned long long) res->start);
                 }
         }
-        for (i = 0; i < PNP_MAX_DMA; i++) {
-                if (pnp_dma_valid(dev, i)) {
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_DMA, i)); i++) {
+                if (pnp_resource_valid(res)) {
                         pnp_printf(buffer, "dma");
-                        if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED)
+                        if (res->flags & IORESOURCE_DISABLED)
                                 pnp_printf(buffer, " disabled\n");
                         else
                                 pnp_printf(buffer, " %lld\n",
-                                           (unsigned long long)pnp_dma(dev, i));
+                                           (unsigned long long) res->start);
                 }
         }
         ret = (buffer->curr - buf);
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index c47dd252f44..d049a2279fe 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -138,13 +138,15 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
 
                         pci_start = pci_resource_start(pdev, i);
                         pci_end = pci_resource_end(pdev, i);
-                        for (j = 0; j < PNP_MAX_MEM; j++) {
-                                if (!pnp_mem_valid(dev, j) ||
-                                    pnp_mem_len(dev, j) == 0)
+                        for (j = 0;
+                             (res = pnp_get_resource(dev, IORESOURCE_MEM, j));
+                             j++) {
+                                if (res->flags & IORESOURCE_UNSET ||
+                                    (res->start == 0 && res->end == 0))
                                         continue;
 
-                                pnp_start = pnp_mem_start(dev, j);
-                                pnp_end = pnp_mem_end(dev, j);
+                                pnp_start = res->start;
+                                pnp_end = res->end;
 
                                 /*
                                  * If the PNP region doesn't overlap the PCI
@@ -177,7 +179,6 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
                                         pci_name(pdev), i,
                                         (unsigned long long) pci_start,
                                         (unsigned long long) pci_end);
-                                res = pnp_get_resource(dev, IORESOURCE_MEM, j);
                                 res->flags = 0;
                         }
                 }
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index b2516d62fcf..84362818fa8 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -269,9 +269,8 @@ int pnp_check_port(struct pnp_dev *dev, struct resource *res)
         }
 
         /* check for internal conflicts */
-        for (i = 0; i < PNP_MAX_PORT; i++) {
-                tres = pnp_get_resource(dev, IORESOURCE_IO, i);
-                if (tres && tres != res && tres->flags & IORESOURCE_IO) {
+        for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
+                if (tres != res && tres->flags & IORESOURCE_IO) {
                         tport = &tres->start;
                         tend = &tres->end;
                         if (ranged_conflict(port, end, tport, tend))
@@ -283,9 +282,10 @@ int pnp_check_port(struct pnp_dev *dev, struct resource *res)
         pnp_for_each_dev(tdev) {
                 if (tdev == dev)
                         continue;
-                for (i = 0; i < PNP_MAX_PORT; i++) {
-                        tres = pnp_get_resource(tdev, IORESOURCE_IO, i);
-                        if (tres && tres->flags & IORESOURCE_IO) {
+                for (i = 0;
+                     (tres = pnp_get_resource(tdev, IORESOURCE_IO, i));
+                     i++) {
+                        if (tres->flags & IORESOURCE_IO) {
                                 if (cannot_compare(tres->flags))
                                         continue;
                                 tport = &tres->start;
@@ -329,9 +329,8 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res)
         }
 
         /* check for internal conflicts */
-        for (i = 0; i < PNP_MAX_MEM; i++) {
-                tres = pnp_get_resource(dev, IORESOURCE_MEM, i);
-                if (tres && tres != res && tres->flags & IORESOURCE_MEM) {
+        for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
+                if (tres != res && tres->flags & IORESOURCE_MEM) {
                         taddr = &tres->start;
                         tend = &tres->end;
                         if (ranged_conflict(addr, end, taddr, tend))
@@ -343,9 +342,10 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res)
         pnp_for_each_dev(tdev) {
                 if (tdev == dev)
                         continue;
-                for (i = 0; i < PNP_MAX_MEM; i++) {
-                        tres = pnp_get_resource(tdev, IORESOURCE_MEM, i);
-                        if (tres && tres->flags & IORESOURCE_MEM) {
+                for (i = 0;
+                     (tres = pnp_get_resource(tdev, IORESOURCE_MEM, i));
+                     i++) {
+                        if (tres->flags & IORESOURCE_MEM) {
                                 if (cannot_compare(tres->flags))
                                         continue;
                                 taddr = &tres->start;
@@ -388,9 +388,8 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
         }
 
         /* check for internal conflicts */
-        for (i = 0; i < PNP_MAX_IRQ; i++) {
-                tres = pnp_get_resource(dev, IORESOURCE_IRQ, i);
-                if (tres && tres != res && tres->flags & IORESOURCE_IRQ) {
+        for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_IRQ, i)); i++) {
+                if (tres != res && tres->flags & IORESOURCE_IRQ) {
                         if (tres->start == *irq)
                                 return 0;
                 }
@@ -422,9 +421,10 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
         pnp_for_each_dev(tdev) {
                 if (tdev == dev)
                         continue;
-                for (i = 0; i < PNP_MAX_IRQ; i++) {
-                        tres = pnp_get_resource(tdev, IORESOURCE_IRQ, i);
-                        if (tres && tres->flags & IORESOURCE_IRQ) {
+                for (i = 0;
+                     (tres = pnp_get_resource(tdev, IORESOURCE_IRQ, i));
+                     i++) {
+                        if (tres->flags & IORESOURCE_IRQ) {
                                 if (cannot_compare(tres->flags))
                                         continue;
                                 if (tres->start == *irq)
@@ -461,9 +461,8 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
         }
 
         /* check for internal conflicts */
-        for (i = 0; i < PNP_MAX_DMA; i++) {
-                tres = pnp_get_resource(dev, IORESOURCE_DMA, i);
-                if (tres && tres != res && tres->flags & IORESOURCE_DMA) {
+        for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_DMA, i)); i++) {
+                if (tres != res && tres->flags & IORESOURCE_DMA) {
                         if (tres->start == *dma)
                                 return 0;
                 }
@@ -481,9 +480,10 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
         pnp_for_each_dev(tdev) {
                 if (tdev == dev)
                         continue;
-                for (i = 0; i < PNP_MAX_DMA; i++) {
-                        tres = pnp_get_resource(tdev, IORESOURCE_DMA, i);
-                        if (tres && tres->flags & IORESOURCE_DMA) {
+                for (i = 0;
+                     (tres = pnp_get_resource(tdev, IORESOURCE_DMA, i));
+                     i++) {
+                        if (tres->flags & IORESOURCE_DMA) {
                                 if (cannot_compare(tres->flags))
                                         continue;
                                 if (tres->start == *dma)
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index 55c4563986b..9c2496dbeee 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -56,14 +56,15 @@ static void reserve_range(struct pnp_dev *dev, resource_size_t start,
 
 static void reserve_resources_of_dev(struct pnp_dev *dev)
 {
+        struct resource *res;
         int i;
 
-        for (i = 0; i < PNP_MAX_PORT; i++) {
-                if (!pnp_port_valid(dev, i))
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
+                if (res->flags & IORESOURCE_UNSET)
                         continue;
-                if (pnp_port_start(dev, i) == 0)
+                if (res->start == 0)
                         continue;       /* disabled */
-                if (pnp_port_start(dev, i) < 0x100)
+                if (res->start < 0x100)
                         /*
                          * Below 0x100 is only standard PC hardware
                          * (pics, kbd, timer, dma, ...)
@@ -73,19 +74,17 @@ static void reserve_resources_of_dev(struct pnp_dev *dev)
                          * So, do nothing
                          */
                         continue;
-                if (pnp_port_end(dev, i) < pnp_port_start(dev, i))
+                if (res->end < res->start)
                         continue;       /* invalid */
 
-                reserve_range(dev, pnp_port_start(dev, i),
-                              pnp_port_end(dev, i), 1);
+                reserve_range(dev, res->start, res->end, 1);
         }
 
-        for (i = 0; i < PNP_MAX_MEM; i++) {
-                if (!pnp_mem_valid(dev, i))
+        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
+                if (res->flags & IORESOURCE_UNSET)
                         continue;
 
-                reserve_range(dev, pnp_mem_start(dev, i),
-                              pnp_mem_end(dev, i), 0);
+                reserve_range(dev, res->start, res->end, 0);
         }
 }