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-rw-r--r--drivers/net/irda/smsc-ircc2.c316
1 files changed, 264 insertions, 52 deletions
diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index bbcfc8ec35a1..58f76cefbc83 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -225,6 +225,8 @@ static int __init smsc_superio_lpc(unsigned short cfg_base);
225#ifdef CONFIG_PCI 225#ifdef CONFIG_PCI
226static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf); 226static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf);
227static int __init preconfigure_through_82801(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf); 227static int __init preconfigure_through_82801(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
228static void __init preconfigure_ali_port(struct pci_dev *dev,
229 unsigned short port);
228static int __init preconfigure_through_ali(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf); 230static int __init preconfigure_through_ali(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
229static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg, 231static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
230 unsigned short ircc_fir, 232 unsigned short ircc_fir,
@@ -2327,9 +2329,14 @@ static int __init smsc_superio_lpc(unsigned short cfg_base)
2327 * pre-configuration not properly done by the BIOS (especially laptops) 2329 * pre-configuration not properly done by the BIOS (especially laptops)
2328 * This code is based in part on smcinit.c, tosh1800-smcinit.c 2330 * This code is based in part on smcinit.c, tosh1800-smcinit.c
2329 * and tosh2450-smcinit.c. The table lists the device entries 2331 * and tosh2450-smcinit.c. The table lists the device entries
2330 * for ISA bridges with an LPC (Local Peripheral Configurator) 2332 * for ISA bridges with an LPC (Low Pin Count) controller which
2331 * that are in turn used to configure the SMSC device with default 2333 * handles the communication with the SMSC device. After the LPC
2332 * SIR and FIR I/O ports, DMA and IRQ. 2334 * controller is initialized through PCI, the SMSC device is initialized
2335 * through a dedicated port in the ISA port-mapped I/O area, this latter
2336 * area is used to configure the SMSC device with default
2337 * SIR and FIR I/O ports, DMA and IRQ. Different vendors have
2338 * used different sets of parameters and different control port
2339 * addresses making a subsystem device table necessary.
2333 */ 2340 */
2334#ifdef CONFIG_PCI 2341#ifdef CONFIG_PCI
2335#define PCIID_VENDOR_INTEL 0x8086 2342#define PCIID_VENDOR_INTEL 0x8086
@@ -2340,9 +2347,10 @@ static struct smsc_ircc_subsystem_configuration subsystem_configurations[] __dev
2340 .device = 0x24cc, 2347 .device = 0x24cc,
2341 .subvendor = 0x103c, 2348 .subvendor = 0x103c,
2342 .subdevice = 0x088c, 2349 .subdevice = 0x088c,
2343 .sir_io = 0x02f8, /* Quite certain these are the same for nc8000 as for nc6000 */ 2350 /* Quite certain these are the same for nc8000 as for nc6000 */
2351 .sir_io = 0x02f8,
2344 .fir_io = 0x0130, 2352 .fir_io = 0x0130,
2345 .fir_irq = 0x09, 2353 .fir_irq = 0x05,
2346 .fir_dma = 0x03, 2354 .fir_dma = 0x03,
2347 .cfg_base = 0x004e, 2355 .cfg_base = 0x004e,
2348 .preconfigure = preconfigure_through_82801, 2356 .preconfigure = preconfigure_through_82801,
@@ -2355,60 +2363,79 @@ static struct smsc_ircc_subsystem_configuration subsystem_configurations[] __dev
2355 .subdevice = 0x0890, 2363 .subdevice = 0x0890,
2356 .sir_io = 0x02f8, 2364 .sir_io = 0x02f8,
2357 .fir_io = 0x0130, 2365 .fir_io = 0x0130,
2358 .fir_irq = 0x09, 2366 .fir_irq = 0x05,
2359 .fir_dma = 0x03, 2367 .fir_dma = 0x03,
2360 .cfg_base = 0x004e, 2368 .cfg_base = 0x004e,
2361 .preconfigure = preconfigure_through_82801, 2369 .preconfigure = preconfigure_through_82801,
2362 .name = "HP nc6000", 2370 .name = "HP nc6000",
2363 }, 2371 },
2364 { 2372 {
2365 .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge */ 2373 /* Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge */
2374 .vendor = PCIID_VENDOR_INTEL,
2366 .device = 0x24c0, 2375 .device = 0x24c0,
2367 .subvendor = 0x1179, 2376 .subvendor = 0x1179,
2368 .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */ 2377 .subdevice = 0xffff, /* 0xffff is "any" */
2369 .sir_io = 0x03f8, 2378 .sir_io = 0x03f8,
2370 .fir_io = 0x0130, 2379 .fir_io = 0x0130,
2371 .fir_irq = 0x07, 2380 .fir_irq = 0x07,
2372 .fir_dma = 0x01, 2381 .fir_dma = 0x01,
2373 .cfg_base = 0x002e, 2382 .cfg_base = 0x002e,
2374 .preconfigure = preconfigure_through_82801, 2383 .preconfigure = preconfigure_through_82801,
2375 .name = "Toshiba Satellite 2450", 2384 .name = "Toshiba laptop with Intel 82801DB/DBL LPC bridge",
2376 }, 2385 },
2377 { 2386 {
2378 .vendor = PCIID_VENDOR_INTEL, /* Intel 82801CAM ISA bridge */ 2387 .vendor = PCIID_VENDOR_INTEL, /* Intel 82801CAM ISA bridge */
2379 .device = 0x248c, /* Some use 24cc? */ 2388 .device = 0x248c,
2380 .subvendor = 0x1179, 2389 .subvendor = 0x1179,
2381 .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */ 2390 .subdevice = 0xffff, /* 0xffff is "any" */
2382 .sir_io = 0x03f8, 2391 .sir_io = 0x03f8,
2383 .fir_io = 0x0130, 2392 .fir_io = 0x0130,
2384 .fir_irq = 0x03, 2393 .fir_irq = 0x03,
2385 .fir_dma = 0x03, 2394 .fir_dma = 0x03,
2386 .cfg_base = 0x002e, 2395 .cfg_base = 0x002e,
2387 .preconfigure = preconfigure_through_82801, 2396 .preconfigure = preconfigure_through_82801,
2388 .name = "Toshiba Satellite 5100/5200, Tecra 9100", 2397 .name = "Toshiba laptop with Intel 82801CAM ISA bridge",
2389 }, 2398 },
2390 { 2399 {
2391 .vendor = PCIID_VENDOR_ALI, /* ALi M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] */ 2400 /* 82801DBM (ICH4-M) LPC Interface Bridge */
2401 .vendor = PCIID_VENDOR_INTEL,
2402 .device = 0x24cc,
2403 .subvendor = 0x1179,
2404 .subdevice = 0xffff, /* 0xffff is "any" */
2405 .sir_io = 0x03f8,
2406 .fir_io = 0x0130,
2407 .fir_irq = 0x03,
2408 .fir_dma = 0x03,
2409 .cfg_base = 0x002e,
2410 .preconfigure = preconfigure_through_82801,
2411 .name = "Toshiba laptop with Intel 8281DBM LPC bridge",
2412 },
2413 {
2414 /* ALi M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] */
2415 .vendor = PCIID_VENDOR_ALI,
2392 .device = 0x1533, 2416 .device = 0x1533,
2393 .subvendor = 0x1179, 2417 .subvendor = 0x1179,
2394 .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */ 2418 .subdevice = 0xffff, /* 0xffff is "any" */
2395 .sir_io = 0x02e8, 2419 .sir_io = 0x02e8,
2396 .fir_io = 0x02f8, 2420 .fir_io = 0x02f8,
2397 .fir_irq = 0x07, 2421 .fir_irq = 0x07,
2398 .fir_dma = 0x03, 2422 .fir_dma = 0x03,
2399 .cfg_base = 0x002e, 2423 .cfg_base = 0x002e,
2400 .preconfigure = preconfigure_through_ali, 2424 .preconfigure = preconfigure_through_ali,
2401 .name = "Toshiba Satellite 1800", 2425 .name = "Toshiba laptop with ALi ISA bridge",
2402 }, 2426 },
2403 { } // Terminator 2427 { } // Terminator
2404}; 2428};
2405 2429
2406 2430
2407/* 2431/*
2408 * This sets up the basic SMSC parameters (FIR port, SIR port, FIR DMA, FIR IRQ) 2432 * This sets up the basic SMSC parameters
2433 * (FIR port, SIR port, FIR DMA, FIR IRQ)
2409 * through the chip configuration port. 2434 * through the chip configuration port.
2410 */ 2435 */
2411static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf) 2436static int __init preconfigure_smsc_chip(struct
2437 smsc_ircc_subsystem_configuration
2438 *conf)
2412{ 2439{
2413 unsigned short iobase = conf->cfg_base; 2440 unsigned short iobase = conf->cfg_base;
2414 unsigned char tmpbyte; 2441 unsigned char tmpbyte;
@@ -2416,7 +2443,9 @@ static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuratio
2416 outb(LPC47N227_CFGACCESSKEY, iobase); // enter configuration state 2443 outb(LPC47N227_CFGACCESSKEY, iobase); // enter configuration state
2417 outb(SMSCSIOFLAT_DEVICEID_REG, iobase); // set for device ID 2444 outb(SMSCSIOFLAT_DEVICEID_REG, iobase); // set for device ID
2418 tmpbyte = inb(iobase +1); // Read device ID 2445 tmpbyte = inb(iobase +1); // Read device ID
2419 IRDA_DEBUG(0, "Detected Chip id: 0x%02x, setting up registers...\n",tmpbyte); 2446 IRDA_DEBUG(0,
2447 "Detected Chip id: 0x%02x, setting up registers...\n",
2448 tmpbyte);
2420 2449
2421 /* Disable UART1 and set up SIR I/O port */ 2450 /* Disable UART1 and set up SIR I/O port */
2422 outb(0x24, iobase); // select CR24 - UART1 base addr 2451 outb(0x24, iobase); // select CR24 - UART1 base addr
@@ -2426,6 +2455,7 @@ static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuratio
2426 tmpbyte = inb(iobase + 1); 2455 tmpbyte = inb(iobase + 1);
2427 if (tmpbyte != (conf->sir_io >> 2) ) { 2456 if (tmpbyte != (conf->sir_io >> 2) ) {
2428 IRDA_WARNING("ERROR: could not configure SIR ioport.\n"); 2457 IRDA_WARNING("ERROR: could not configure SIR ioport.\n");
2458 IRDA_WARNING("Try to supply ircc_cfg argument.\n");
2429 return -ENXIO; 2459 return -ENXIO;
2430 } 2460 }
2431 2461
@@ -2461,7 +2491,8 @@ static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuratio
2461 2491
2462 outb(SMSCSIOFLAT_UARTMODE0C_REG, iobase); // CR0C - UART mode 2492 outb(SMSCSIOFLAT_UARTMODE0C_REG, iobase); // CR0C - UART mode
2463 tmpbyte = inb(iobase + 1); 2493 tmpbyte = inb(iobase + 1);
2464 tmpbyte &= ~SMSCSIOFLAT_UART2MODE_MASK | SMSCSIOFLAT_UART2MODE_VAL_IRDA; 2494 tmpbyte &= ~SMSCSIOFLAT_UART2MODE_MASK |
2495 SMSCSIOFLAT_UART2MODE_VAL_IRDA;
2465 outb(tmpbyte, iobase + 1); // enable IrDA (HPSIR) mode, high speed 2496 outb(tmpbyte, iobase + 1); // enable IrDA (HPSIR) mode, high speed
2466 2497
2467 outb(LPC47N227_APMBOOTDRIVE_REG, iobase); // CR07 - Auto Pwr Mgt/boot drive sel 2498 outb(LPC47N227_APMBOOTDRIVE_REG, iobase); // CR07 - Auto Pwr Mgt/boot drive sel
@@ -2486,53 +2517,226 @@ static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuratio
2486 return 0; 2517 return 0;
2487} 2518}
2488 2519
2489/* 82801CAM registers */ 2520/* 82801CAM generic registers */
2490#define VID 0x00 2521#define VID 0x00
2491#define DID 0x02 2522#define DID 0x02
2492#define PIRQA_ROUT 0x60 2523#define PIRQ_A_D_ROUT 0x60
2524#define SIRQ_CNTL 0x64
2525#define PIRQ_E_H_ROUT 0x68
2493#define PCI_DMA_C 0x90 2526#define PCI_DMA_C 0x90
2527/* LPC-specific registers */
2494#define COM_DEC 0xe0 2528#define COM_DEC 0xe0
2529#define GEN1_DEC 0xe4
2495#define LPC_EN 0xe6 2530#define LPC_EN 0xe6
2496#define GEN2_DEC 0xec 2531#define GEN2_DEC 0xec
2497/* 2532/*
2498 * Sets up the I/O range using the 82801CAM ISA bridge, 82801DBM LPC bridge or 2533 * Sets up the I/O range using the 82801CAM ISA bridge, 82801DBM LPC bridge
2499 * Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge. They all work the same way! 2534 * or Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge.
2535 * They all work the same way!
2500 */ 2536 */
2501static int __init preconfigure_through_82801(struct pci_dev *dev, 2537static int __init preconfigure_through_82801(struct pci_dev *dev,
2502 struct smsc_ircc_subsystem_configuration *conf) 2538 struct
2539 smsc_ircc_subsystem_configuration
2540 *conf)
2503{ 2541{
2504 unsigned short tmpword; 2542 unsigned short tmpword;
2505 int ret; 2543 unsigned char tmpbyte;
2506 2544
2507 IRDA_MESSAGE("Setting up the SMSC device via the 82801 controller.\n"); 2545 IRDA_MESSAGE("Setting up Intel 82801 controller and SMSC device\n");
2508 pci_write_config_byte(dev, COM_DEC, 0x10); 2546 /*
2547 * Select the range for the COMA COM port (SIR)
2548 * Register COM_DEC:
2549 * Bit 7: reserved
2550 * Bit 6-4, COMB decode range
2551 * Bit 3: reserved
2552 * Bit 2-0, COMA decode range
2553 *
2554 * Decode ranges:
2555 * 000 = 0x3f8-0x3ff (COM1)
2556 * 001 = 0x2f8-0x2ff (COM2)
2557 * 010 = 0x220-0x227
2558 * 011 = 0x228-0x22f
2559 * 100 = 0x238-0x23f
2560 * 101 = 0x2e8-0x2ef (COM4)
2561 * 110 = 0x338-0x33f
2562 * 111 = 0x3e8-0x3ef (COM3)
2563 */
2564 pci_read_config_byte(dev, COM_DEC, &tmpbyte);
2565 tmpbyte &= 0xf8; /* mask COMA bits */
2566 switch(conf->sir_io) {
2567 case 0x3f8:
2568 tmpbyte |= 0x00;
2569 break;
2570 case 0x2f8:
2571 tmpbyte |= 0x01;
2572 break;
2573 case 0x220:
2574 tmpbyte |= 0x02;
2575 break;
2576 case 0x228:
2577 tmpbyte |= 0x03;
2578 break;
2579 case 0x238:
2580 tmpbyte |= 0x04;
2581 break;
2582 case 0x2e8:
2583 tmpbyte |= 0x05;
2584 break;
2585 case 0x338:
2586 tmpbyte |= 0x06;
2587 break;
2588 case 0x3e8:
2589 tmpbyte |= 0x07;
2590 break;
2591 default:
2592 tmpbyte |= 0x01; /* COM2 default */
2593 }
2594 IRDA_DEBUG(1, "COM_DEC (write): 0x%02x\n", tmpbyte);
2595 pci_write_config_byte(dev, COM_DEC, tmpbyte);
2509 2596
2510 /* Enable LPC */ 2597 /* Enable Low Pin Count interface */
2511 pci_read_config_word(dev, LPC_EN, &tmpword); /* LPC_EN register */ 2598 pci_read_config_word(dev, LPC_EN, &tmpword);
2512 tmpword &= 0xfffd; /* mask bit 1 */ 2599 /* These seem to be set up at all times,
2513 tmpword |= 0x0001; /* set bit 0 : COMA addr range enable */ 2600 * just make sure it is properly set.
2601 */
2602 switch(conf->cfg_base) {
2603 case 0x04e:
2604 tmpword |= 0x2000;
2605 break;
2606 case 0x02e:
2607 tmpword |= 0x1000;
2608 break;
2609 case 0x062:
2610 tmpword |= 0x0800;
2611 break;
2612 case 0x060:
2613 tmpword |= 0x0400;
2614 break;
2615 default:
2616 IRDA_WARNING("Uncommon I/O base address: 0x%04x\n",
2617 conf->cfg_base);
2618 break;
2619 }
2620 tmpword &= 0xfffd; /* disable LPC COMB */
2621 tmpword |= 0x0001; /* set bit 0 : enable LPC COMA addr range (GEN2) */
2622 IRDA_DEBUG(1, "LPC_EN (write): 0x%04x\n", tmpword);
2514 pci_write_config_word(dev, LPC_EN, tmpword); 2623 pci_write_config_word(dev, LPC_EN, tmpword);
2515 2624
2516 /* Setup DMA */ 2625 /*
2517 pci_write_config_word(dev, PCI_DMA_C, 0xc0c0); /* LPC I/F DMA on, channel 3 -- rtm (?? PCI DMA ?) */ 2626 * Configure LPC DMA channel
2518 pci_write_config_word(dev, GEN2_DEC, 0x131); /* LPC I/F 2nd decode range */ 2627 * PCI_DMA_C bits:
2628 * Bit 15-14: DMA channel 7 select
2629 * Bit 13-12: DMA channel 6 select
2630 * Bit 11-10: DMA channel 5 select
2631 * Bit 9-8: Reserved
2632 * Bit 7-6: DMA channel 3 select
2633 * Bit 5-4: DMA channel 2 select
2634 * Bit 3-2: DMA channel 1 select
2635 * Bit 1-0: DMA channel 0 select
2636 * 00 = Reserved value
2637 * 01 = PC/PCI DMA
2638 * 10 = Reserved value
2639 * 11 = LPC I/F DMA
2640 */
2641 pci_read_config_word(dev, PCI_DMA_C, &tmpword);
2642 switch(conf->fir_dma) {
2643 case 0x07:
2644 tmpword |= 0xc000;
2645 break;
2646 case 0x06:
2647 tmpword |= 0x3000;
2648 break;
2649 case 0x05:
2650 tmpword |= 0x0c00;
2651 break;
2652 case 0x03:
2653 tmpword |= 0x00c0;
2654 break;
2655 case 0x02:
2656 tmpword |= 0x0030;
2657 break;
2658 case 0x01:
2659 tmpword |= 0x000c;
2660 break;
2661 case 0x00:
2662 tmpword |= 0x0003;
2663 break;
2664 default:
2665 break; /* do not change settings */
2666 }
2667 IRDA_DEBUG(1, "PCI_DMA_C (write): 0x%04x\n", tmpword);
2668 pci_write_config_word(dev, PCI_DMA_C, tmpword);
2669
2670 /*
2671 * GEN2_DEC bits:
2672 * Bit 15-4: Generic I/O range
2673 * Bit 3-1: reserved (read as 0)
2674 * Bit 0: enable GEN2 range on LPC I/F
2675 */
2676 tmpword = conf->fir_io & 0xfff8;
2677 tmpword |= 0x0001;
2678 IRDA_DEBUG(1, "GEN2_DEC (write): 0x%04x\n", tmpword);
2679 pci_write_config_word(dev, GEN2_DEC, tmpword);
2519 2680
2520 /* Pre-configure chip */ 2681 /* Pre-configure chip */
2521 ret = preconfigure_smsc_chip(conf); 2682 return preconfigure_smsc_chip(conf);
2683}
2522 2684
2523 /* Disable LPC */ 2685/*
2524 pci_read_config_word(dev, LPC_EN, &tmpword); /* LPC_EN register */ 2686 * Pre-configure a certain port on the ALi 1533 bridge.
2525 tmpword &= 0xfffc; /* mask bit 1 and bit 0, COMA addr range disable */ 2687 * This is based on reverse-engineering since ALi does not
2526 pci_write_config_word(dev, LPC_EN, tmpword); 2688 * provide any data sheet for the 1533 chip.
2527 return ret; 2689 */
2690static void __init preconfigure_ali_port(struct pci_dev *dev,
2691 unsigned short port)
2692{
2693 unsigned char reg;
2694 /* These bits obviously control the different ports */
2695 unsigned char mask;
2696 unsigned char tmpbyte;
2697
2698 switch(port) {
2699 case 0x0130:
2700 case 0x0178:
2701 reg = 0xb0;
2702 mask = 0x80;
2703 break;
2704 case 0x03f8:
2705 reg = 0xb4;
2706 mask = 0x80;
2707 break;
2708 case 0x02f8:
2709 reg = 0xb4;
2710 mask = 0x30;
2711 break;
2712 case 0x02e8:
2713 reg = 0xb4;
2714 mask = 0x08;
2715 break;
2716 default:
2717 IRDA_ERROR("Failed to configure unsupported port on ALi 1533 bridge: 0x%04x\n", port);
2718 return;
2719 }
2720
2721 pci_read_config_byte(dev, reg, &tmpbyte);
2722 /* Turn on the right bits */
2723 tmpbyte |= mask;
2724 pci_write_config_byte(dev, reg, tmpbyte);
2725 IRDA_MESSAGE("Activated ALi 1533 ISA bridge port 0x%04x.\n", port);
2726 return;
2528} 2727}
2529 2728
2530static int __init preconfigure_through_ali(struct pci_dev *dev, 2729static int __init preconfigure_through_ali(struct pci_dev *dev,
2531 struct smsc_ircc_subsystem_configuration *conf) 2730 struct
2731 smsc_ircc_subsystem_configuration
2732 *conf)
2532{ 2733{
2533 /* TODO: put in ALi 1533 configuration here. */ 2734 /* Configure the two ports on the ALi 1533 */
2534 IRDA_MESSAGE("SORRY: %s has an unsupported bridge controller (ALi): not pre-configured.\n", conf->name); 2735 preconfigure_ali_port(dev, conf->sir_io);
2535 return -ENODEV; 2736 preconfigure_ali_port(dev, conf->fir_io);
2737
2738 /* Pre-configure chip */
2739 return preconfigure_smsc_chip(conf);
2536} 2740}
2537 2741
2538static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg, 2742static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
@@ -2552,9 +2756,10 @@ static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
2552 struct smsc_ircc_subsystem_configuration *conf; 2756 struct smsc_ircc_subsystem_configuration *conf;
2553 2757
2554 /* 2758 /*
2555 * Cache the subsystem vendor/device: some manufacturers fail to set 2759 * Cache the subsystem vendor/device:
2556 * this for all components, so we save it in case there is just 2760 * some manufacturers fail to set this for all components,
2557 * 0x0000 0x0000 on the device we want to check. 2761 * so we save it in case there is just 0x0000 0x0000 on the
2762 * device we want to check.
2558 */ 2763 */
2559 if (dev->subsystem_vendor != 0x0000U) { 2764 if (dev->subsystem_vendor != 0x0000U) {
2560 ss_vendor = dev->subsystem_vendor; 2765 ss_vendor = dev->subsystem_vendor;
@@ -2564,13 +2769,20 @@ static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
2564 for( ; conf->subvendor; conf++) { 2769 for( ; conf->subvendor; conf++) {
2565 if(conf->vendor == dev->vendor && 2770 if(conf->vendor == dev->vendor &&
2566 conf->device == dev->device && 2771 conf->device == dev->device &&
2567 conf->subvendor == ss_vendor && /* Sometimes these are cached values */ 2772 conf->subvendor == ss_vendor &&
2568 (conf->subdevice == ss_device || conf->subdevice == 0xffff)) { 2773 /* Sometimes these are cached values */
2569 struct smsc_ircc_subsystem_configuration tmpconf; 2774 (conf->subdevice == ss_device ||
2775 conf->subdevice == 0xffff)) {
2776 struct smsc_ircc_subsystem_configuration
2777 tmpconf;
2570 2778
2571 memcpy(&tmpconf, conf, sizeof(struct smsc_ircc_subsystem_configuration)); 2779 memcpy(&tmpconf, conf,
2780 sizeof(struct smsc_ircc_subsystem_configuration));
2572 2781
2573 /* Override the default values with anything passed in as parameter */ 2782 /*
2783 * Override the default values with anything
2784 * passed in as parameter
2785 */
2574 if (ircc_cfg != 0) 2786 if (ircc_cfg != 0)
2575 tmpconf.cfg_base = ircc_cfg; 2787 tmpconf.cfg_base = ircc_cfg;
2576 if (ircc_fir != 0) 2788 if (ircc_fir != 0)