}
#endif
+#ifdef CONFIG_X86_32
+static int intel_bug_present_check_epp(struct parport *pb)
+{
+ const struct parport_pc_private *priv = pb->private_data;
+ int bug_present = 0;
+
+ if (priv->ecr) {
+ /* store value of ECR */
+ unsigned char ecr = inb(ECONTROL(pb));
+ unsigned char i;
+ for (i = 0x00; i < 0x80; i += 0x20) {
+ ECR_WRITE(pb, i);
+ if (clear_epp_timeout(pb)) {
+ /* Phony EPP in ECP. */
+ bug_present = 1;
+ break;
+ }
+ }
+ /* return ECR into the inital state */
+ ECR_WRITE(pb, ecr);
+ }
+
+ return bug_present;
+}
+static int intel_bug_present(struct parport *pb)
+{
+/* Check whether the device is legacy, not PCI or PCMCIA. Only legacy is known to be affected. */
+ if (pb->dev != NULL) {
+ return 0;
+ }
+
+ return intel_bug_present_check_epp(pb);
+}
+#else
+static int intel_bug_present(struct parport *pb)
+{
+ return 0;
+}
+#endif /* CONFIG_X86_32 */
+
static int parport_ECPPS2_supported(struct parport *pb)
{
const struct parport_pc_private *priv = pb->private_data;
static int parport_EPP_supported(struct parport *pb)
{
- const struct parport_pc_private *priv = pb->private_data;
-
/*
* Theory:
* Bit 0 of STR is the EPP timeout bit, this bit is 0
return 0; /* No way to clear timeout */
/* Check for Intel bug. */
- if (priv->ecr) {
- unsigned char i;
- for (i = 0x00; i < 0x80; i += 0x20) {
- ECR_WRITE(pb, i);
- if (clear_epp_timeout(pb)) {
- /* Phony EPP in ECP. */
- return 0;
- }
- }
- }
+ if (intel_bug_present(pb))
+ return 0;
pb->modes |= PARPORT_MODE_EPP;
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
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);
release_region(base+0x3, 5);
release_region(base, 3);
out4:
- parport_put_port(p);
+ parport_del_port(p);
out3:
kfree(priv);
out2:
priv->dma_handle);
#endif
kfree(p->private_data);
- parport_put_port(p);
+ parport_del_port(p);
kfree(ops); /* hope no-one cached it */
}
EXPORT_SYMBOL(parport_pc_unregister_port);
syba_2p_epp,
syba_1p_ecp,
titan_010l,
- titan_1284p1,
- titan_1284p2,
avlab_1p,
avlab_2p,
oxsemi_952,
/* syba_2p_epp AP138B */ { 2, { { 0, 0x078 }, { 0, 0x178 }, } },
/* syba_1p_ecp W83787 */ { 1, { { 0, 0x078 }, } },
/* titan_010l */ { 1, { { 3, -1 }, } },
- /* titan_1284p1 */ { 1, { { 0, 1 }, } },
- /* titan_1284p2 */ { 2, { { 0, 1 }, { 2, 3 }, } },
/* avlab_1p */ { 1, { { 0, 1}, } },
/* avlab_2p */ { 2, { { 0, 1}, { 2, 3 },} },
/* The Oxford Semi cards are unusual: 954 doesn't support ECP,
/* netmos_9705 */ { 1, { { 0, -1 }, } },
/* netmos_9715 */ { 2, { { 0, 1 }, { 2, 3 },} },
/* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} },
- /* netmos_9805 */ { 1, { { 0, -1 }, } },
- /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } },
+ /* netmos_9805 */ { 1, { { 0, 1 }, } },
+ /* netmos_9815 */ { 2, { { 0, 1 }, { 2, 3 }, } },
/* netmos_9901 */ { 1, { { 0, -1 }, } },
/* netmos_9865 */ { 1, { { 0, -1 }, } },
/* quatech_sppxp100 */ { 1, { { 0, 1 }, } },
PCI_ANY_ID, PCI_ANY_ID, 0, 0, syba_1p_ecp },
{ PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_010L,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_010l },
- { 0x9710, 0x9805, 0x1000, 0x0010, 0, 0, titan_1284p1 },
- { 0x9710, 0x9815, 0x1000, 0x0020, 0, 0, titan_1284p2 },
/* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
/* AFAVLAB_TK9902 */
{ 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p},
if (irq == IRQ_NONE) {
printk(KERN_DEBUG
"PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx)\n",
- parport_pc_pci_tbl[i + last_sio].vendor,
- parport_pc_pci_tbl[i + last_sio].device,
- io_lo, io_hi);
+ id->vendor, id->device, io_lo, io_hi);
irq = PARPORT_IRQ_NONE;
} else {
printk(KERN_DEBUG
"PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx), IRQ %d\n",
- parport_pc_pci_tbl[i + last_sio].vendor,
- parport_pc_pci_tbl[i + last_sio].device,
- io_lo, io_hi, irq);
+ id->vendor, id->device, io_lo, io_hi, irq);
}
data->ports[count] =
parport_pc_probe_port(io_lo, io_hi, irq,
struct pci_parport_data *data = pci_get_drvdata(dev);
int i;
- pci_set_drvdata(dev, NULL);
-
if (data) {
for (i = data->num - 1; i >= 0; i--)
parport_pc_unregister_port(data->ports[i]);
static struct platform_driver parport_pc_platform_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "parport_pc",
},
.probe = parport_pc_platform_probe,
while (!list_empty(&ports_list)) {
struct parport_pc_private *priv;
struct parport *port;
+ struct device *dev;
priv = list_entry(ports_list.next,
struct parport_pc_private, list);
port = priv->port;
- if (port->dev && port->dev->bus == &platform_bus_type)
- platform_device_unregister(
- to_platform_device(port->dev));
+ dev = port->dev;
parport_pc_unregister_port(port);
+ if (dev && dev->bus == &platform_bus_type)
+ platform_device_unregister(to_platform_device(dev));
}
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff