[POWERPC] axonram: Module modification for latest firmware API changes
Firmware would not deliver two interrupt numbers in device-tree any more
but only one, for correctable ECC, because uncorrectable ECC from now
is handled by firmware itself.
Changes in the axonram module are necessary because in the old version, if
it is not allowed to fetch the second interrupt number from device-tree,
it interpretes this as an error case and exits.
Signed-off-by: Maximilian <maxim@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 2326d5d..eabbf82 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -59,8 +59,7 @@
struct axon_ram_bank {
struct of_device *device;
struct gendisk *disk;
- unsigned int irq_correctable;
- unsigned int irq_uncorrectable;
+ unsigned int irq_id;
unsigned long ph_addr;
unsigned long io_addr;
unsigned long size;
@@ -93,16 +92,9 @@
BUG_ON(!bank);
- if (irq == bank->irq_correctable) {
- dev_err(&device->dev, "Correctable memory error occured\n");
- bank->ecc_counter++;
- return IRQ_HANDLED;
- } else if (irq == bank->irq_uncorrectable) {
- dev_err(&device->dev, "Uncorrectable memory error occured\n");
- panic("Critical ECC error on %s", device->node->full_name);
- }
-
- return IRQ_NONE;
+ dev_err(&device->dev, "Correctable memory error occured\n");
+ bank->ecc_counter++;
+ return IRQ_HANDLED;
}
/**
@@ -259,28 +251,18 @@
blk_queue_hardsect_size(bank->disk->queue, AXON_RAM_SECTOR_SIZE);
add_disk(bank->disk);
- bank->irq_correctable = irq_of_parse_and_map(device->node, 0);
- bank->irq_uncorrectable = irq_of_parse_and_map(device->node, 1);
- if ((bank->irq_correctable <= 0) || (bank->irq_uncorrectable <= 0)) {
+ bank->irq_id = irq_of_parse_and_map(device->node, 0);
+ if (bank->irq_id == NO_IRQ) {
dev_err(&device->dev, "Cannot access ECC interrupt ID\n");
rc = -EFAULT;
goto failed;
}
- rc = request_irq(bank->irq_correctable, axon_ram_irq_handler,
+ rc = request_irq(bank->irq_id, axon_ram_irq_handler,
AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device);
if (rc != 0) {
dev_err(&device->dev, "Cannot register ECC interrupt handler\n");
- bank->irq_correctable = bank->irq_uncorrectable = 0;
- rc = -EFAULT;
- goto failed;
- }
-
- rc = request_irq(bank->irq_uncorrectable, axon_ram_irq_handler,
- AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device);
- if (rc != 0) {
- dev_err(&device->dev, "Cannot register ECC interrupt handler\n");
- bank->irq_uncorrectable = 0;
+ bank->irq_id = NO_IRQ;
rc = -EFAULT;
goto failed;
}
@@ -296,10 +278,8 @@
failed:
if (bank != NULL) {
- if (bank->irq_uncorrectable > 0)
- free_irq(bank->irq_uncorrectable, device);
- if (bank->irq_correctable > 0)
- free_irq(bank->irq_correctable, device);
+ if (bank->irq_id != NO_IRQ)
+ free_irq(bank->irq_id, device);
if (bank->disk != NULL) {
if (bank->disk->queue != NULL)
blk_cleanup_queue(bank->disk->queue);
@@ -329,8 +309,7 @@
BUG_ON(!bank || !bank->disk);
device_remove_file(&device->dev, &dev_attr_ecc);
- free_irq(bank->irq_uncorrectable, device);
- free_irq(bank->irq_correctable, device);
+ free_irq(bank->irq_id, device);
blk_cleanup_queue(bank->disk->queue);
unregister_blkdev(bank->disk->major, bank->disk->disk_name);
del_gendisk(bank->disk);