From: Maxim Shchetynin Firmware would not deliver two interrupt numbers in device-tree any more but only one, for correctable ECC, because uncorrectable ECC from now handles 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 Signed-off-by: Arnd Bergmann --- Index: linux-2.6/arch/powerpc/sysdev/axonram.c =================================================================== --- linux-2.6.orig/arch/powerpc/sysdev/axonram.c +++ linux-2.6/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 @@ axon_ram_irq_handler(int irq, void *dev) 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 @@ axon_ram_probe(struct of_device *device, 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, - 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, + 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_uncorrectable = 0; + bank->irq_id = NO_IRQ; rc = -EFAULT; goto failed; } @@ -296,10 +278,8 @@ axon_ram_probe(struct of_device *device, 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 @@ axon_ram_remove(struct of_device *device 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); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/