[RFC][PATCH] PnP/ALSA - Manual Resource Setting Updates (2/3)

Adam Belay (ambx1@neo.rr.com)
Thu, 6 Mar 2003 22:52:44 +0000


Hi Jaroslav,

This patch updates the manual resource setting code to allow for partial manual
setting of resources as needed by ALSA.

I would appreciate any comments.

Thanks,
Adam

diff -urN a/drivers/pnp/manager.c b/drivers/pnp/manager.c
--- a/drivers/pnp/manager.c Mon Feb 24 19:05:46 2003
+++ b/drivers/pnp/manager.c Thu Mar 6 15:16:30 2003
@@ -532,6 +532,39 @@
return error;
}

+static void pnp_process_manual_resources(struct pnp_resource_table * ctab, struct pnp_resource_table * ntab)
+{
+ int idx;
+ for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
+ if (ntab->irq_resource[idx].flags & IORESOURCE_AUTO)
+ continue;
+ ctab->irq_resource[idx].start = ntab->irq_resource[idx].start;
+ ctab->irq_resource[idx].end = ntab->irq_resource[idx].end;
+ ctab->irq_resource[idx].flags = ntab->irq_resource[idx].flags;
+ }
+ for (idx = 0; idx < PNP_MAX_DMA; idx++) {
+ if (ntab->dma_resource[idx].flags & IORESOURCE_AUTO)
+ continue;
+ ctab->dma_resource[idx].start = ntab->dma_resource[idx].start;
+ ctab->dma_resource[idx].end = ntab->dma_resource[idx].end;
+ ctab->dma_resource[idx].flags = ntab->dma_resource[idx].flags;
+ }
+ for (idx = 0; idx < PNP_MAX_PORT; idx++) {
+ if (ntab->port_resource[idx].flags & IORESOURCE_AUTO)
+ continue;
+ ctab->port_resource[idx].start = ntab->port_resource[idx].start;
+ ctab->port_resource[idx].end = ntab->port_resource[idx].end;
+ ctab->port_resource[idx].flags = ntab->port_resource[idx].flags;
+ }
+ for (idx = 0; idx < PNP_MAX_MEM; idx++) {
+ if (ntab->irq_resource[idx].flags & IORESOURCE_AUTO)
+ continue;
+ ctab->irq_resource[idx].start = ntab->mem_resource[idx].start;
+ ctab->irq_resource[idx].end = ntab->mem_resource[idx].end;
+ ctab->irq_resource[idx].flags = ntab->mem_resource[idx].flags;
+ }
+}
+
/**
* pnp_manual_config_dev - Disables Auto Config and Manually sets the resource table
* @dev: pointer to the desired device
@@ -554,7 +587,7 @@
*bak = dev->res;

spin_lock(&pnp_lock);
- dev->res = *res;
+ pnp_process_manual_resources(&dev->res, res);
if (!(mode & PNP_CONFIG_FORCE)) {
for (i = 0; i < PNP_MAX_PORT; i++) {
if(pnp_check_port(dev,i))
@@ -681,7 +714,7 @@
return -1;
}
dev->active = 0; /* just in case the protocol doesn't do this */
- pnp_dbg("the device '%s' has been disabled.", dev->dev.bus_id);
+ pnp_dbg("res: the device '%s' has been disabled.", dev->dev.bus_id);
return 0;
}

diff -urN a/drivers/pnp/resource.c b/drivers/pnp/resource.c
--- a/drivers/pnp/resource.c Mon Feb 24 19:05:34 2003
+++ b/drivers/pnp/resource.c Wed Mar 5 21:33:00 2003
@@ -558,25 +558,25 @@
table->irq_resource[idx].name = NULL;
table->irq_resource[idx].start = -1;
table->irq_resource[idx].end = -1;
- table->irq_resource[idx].flags = 0;
+ table->irq_resource[idx].flags = IORESOURCE_AUTO;
}
for (idx = 0; idx < PNP_MAX_DMA; idx++) {
table->dma_resource[idx].name = NULL;
table->dma_resource[idx].start = -1;
table->dma_resource[idx].end = -1;
- table->dma_resource[idx].flags = 0;
+ table->dma_resource[idx].flags = IORESOURCE_AUTO;
}
for (idx = 0; idx < PNP_MAX_PORT; idx++) {
table->port_resource[idx].name = NULL;
table->port_resource[idx].start = 0;
table->port_resource[idx].end = 0;
- table->port_resource[idx].flags = 0;
+ table->port_resource[idx].flags = IORESOURCE_AUTO;
}
for (idx = 0; idx < PNP_MAX_MEM; idx++) {
table->mem_resource[idx].name = NULL;
table->mem_resource[idx].start = 0;
table->mem_resource[idx].end = 0;
- table->mem_resource[idx].flags = 0;
+ table->mem_resource[idx].flags = IORESOURCE_AUTO;
}
}

-
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