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| author | Maciej W. Rozycki <macro@orcam.me.uk> | 2023-01-08 22:56:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-20 13:12:00 +0100 |
| commit | 69e82463109f05979ff0e7fcf033caa6e7134abb (patch) | |
| tree | 201ea0d7cdf55514b5b8c2c5e3e805623a46a8ee /drivers/parport | |
| parent | parport_pc: Let chipset drivers mask ECR bits on writes (diff) | |
| download | linux-69e82463109f05979ff0e7fcf033caa6e7134abb.tar.xz linux-69e82463109f05979ff0e7fcf033caa6e7134abb.zip | |
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>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20230108215656.6433-4-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/parport')
| -rw-r--r-- | drivers/parport/parport_pc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index ad49fd356c7b..2928f36e05ff 100644 --- a/drivers/parport/parport_pc.c +++ b/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 pci_dev *dev, 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++; } |