Messages in this thread Patch in this message | | | Date | Wed, 16 Nov 2022 21:36:05 +0000 (GMT) | From | "Maciej W. Rozycki" <> | Subject | [PATCH 4/6] parport_pc: Add a mode mask field for PCI devices |
| |
Add a mode mask field for PCI devices and use `__parport_pc_probe_port' in place of `parport_pc_probe_port' to apply it.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> --- drivers/parport/parport_pc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
linux-parport-pc-pci-mode-mask.diff Index: linux-macro/drivers/parport/parport_pc.c =================================================================== --- linux-macro.orig/drivers/parport/parport_pc.c +++ linux-macro/drivers/parport/parport_pc.c @@ -2659,6 +2659,9 @@ static struct parport_pc_pci { /* -1 if not there, >6 for offset-method (max BAR is 6) */ } addr[4]; + /* Bit field of parport modes to exclude. */ + unsigned int mode_mask; + /* If set, this is called immediately after pci_enable_device. * If it returns non-zero, no probing will take place and the * ports will not be used. */ @@ -2862,9 +2865,10 @@ static int parport_pc_pci_probe(struct p id->vendor, id->device, io_lo, io_hi, irq); } data->ports[count] = - parport_pc_probe_port(io_lo, io_hi, irq, - PARPORT_DMA_NONE, &dev->dev, - IRQF_SHARED); + __parport_pc_probe_port(io_lo, io_hi, irq, + PARPORT_DMA_NONE, &dev->dev, + IRQF_SHARED, + cards[i].mode_mask, 0); if (data->ports[count]) count++; }
| |