diff options
Diffstat (limited to 'drivers/parport')
| -rw-r--r-- | drivers/parport/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/parport/parport_ip32.c | 4 | ||||
| -rw-r--r-- | drivers/parport/parport_pc.c | 8 |
3 files changed, 16 insertions, 9 deletions
diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig index 70694ce38be2..2872ece81f35 100644 --- a/drivers/parport/Kconfig +++ b/drivers/parport/Kconfig @@ -31,15 +31,18 @@ menuconfig PARPORT If unsure, say Y. +config ARCH_MIGHT_HAVE_PC_PARPORT + bool + help + Select this config option from the architecture Kconfig if + the architecture might have PC parallel port hardware. + if PARPORT config PARPORT_PC tristate "PC-style hardware" - depends on (!SPARC64 || PCI) && !SPARC32 && !M32R && !FRV && !S390 && \ - (!M68K || ISA) && !MN10300 && !AVR32 && !BLACKFIN && \ - !XTENSA && !CRIS && !H8300 - - ---help--- + depends on ARCH_MIGHT_HAVE_PC_PARPORT + help You should say Y here if you have a PC-style parallel port. All IBM PC compatible computers and some Alphas have PC-style parallel ports. PA-RISC owners should only say Y here if they diff --git a/drivers/parport/parport_ip32.c b/drivers/parport/parport_ip32.c index d4716273651e..c864f82bd37d 100644 --- a/drivers/parport/parport_ip32.c +++ b/drivers/parport/parport_ip32.c @@ -1331,7 +1331,7 @@ static unsigned int parport_ip32_fwp_wait_interrupt(struct parport *p) break; /* Initialize mutex used to take interrupts into account */ - INIT_COMPLETION(priv->irq_complete); + reinit_completion(&priv->irq_complete); /* Enable serviceIntr */ parport_ip32_frob_econtrol(p, ECR_SERVINTR, 0); @@ -1446,7 +1446,7 @@ static size_t parport_ip32_fifo_write_block_dma(struct parport *p, priv->irq_mode = PARPORT_IP32_IRQ_HERE; parport_ip32_dma_start(DMA_TO_DEVICE, (void *)buf, len); - INIT_COMPLETION(priv->irq_complete); + reinit_completion(&priv->irq_complete); parport_ip32_frob_econtrol(p, ECR_DMAEN | ECR_SERVINTR, ECR_DMAEN); nfault_timeout = min((unsigned long)physport->cad->timeout, diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 903e1285fda0..963761526229 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -2004,6 +2004,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, struct resource *ECR_res = NULL; struct resource *EPP_res = NULL; struct platform_device *pdev = NULL; + int ret; if (!dev) { /* We need a physical device to attach to, but none was @@ -2014,8 +2015,11 @@ struct parport *parport_pc_probe_port(unsigned long int base, return NULL; dev = &pdev->dev; - dev->coherent_dma_mask = DMA_BIT_MASK(24); - dev->dma_mask = &dev->coherent_dma_mask; + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(24)); + if (ret) { + dev_err(dev, "Unable to set coherent dma mask: disabling DMA\n"); + dma = PARPORT_DMA_NONE; + } } ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL); |