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ramips: Power down phy on disabled switch ports
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / patches-3.3 / 002-USB-use-generic-platform-driver-on-ath79.patch
1 From dbcbcdd001c5943adbb18db3b8f0dafc405559eb Mon Sep 17 00:00:00 2001
2 From: Hauke Mehrtens <hauke@hauke-m.de>
3 Date: Tue, 13 Mar 2012 01:04:53 +0100
4 Subject: [PATCH 03/47] USB: use generic platform driver on ath79
5
6 The ath79 usb driver doesn't do anything special and is now converted
7 to the generic ehci and ohci driver.
8 This was tested on a TP-Link TL-WR1043ND (AR9132)
9
10 Acked-by: Gabor Juhos <juhosg@openwrt.org>
11 CC: Imre Kaloz <kaloz@openwrt.org>
12 CC: linux-mips@linux-mips.org
13 CC: Ralf Baechle <ralf@linux-mips.org>
14 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
16 ---
17 arch/mips/ath79/dev-usb.c | 31 +++++-
18 drivers/usb/host/Kconfig | 12 ++-
19 drivers/usb/host/ehci-ath79.c | 208 -----------------------------------------
20 drivers/usb/host/ehci-hcd.c | 5 -
21 drivers/usb/host/ohci-ath79.c | 151 -----------------------------
22 drivers/usb/host/ohci-hcd.c | 5 -
23 6 files changed, 35 insertions(+), 377 deletions(-)
24 delete mode 100644 drivers/usb/host/ehci-ath79.c
25 delete mode 100644 drivers/usb/host/ohci-ath79.c
26
27 --- a/arch/mips/ath79/dev-usb.c
28 +++ b/arch/mips/ath79/dev-usb.c
29 @@ -17,6 +17,8 @@
30 #include <linux/irq.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/platform_device.h>
33 +#include <linux/usb/ehci_pdriver.h>
34 +#include <linux/usb/ohci_pdriver.h>
35
36 #include <asm/mach-ath79/ath79.h>
37 #include <asm/mach-ath79/ar71xx_regs.h>
38 @@ -36,14 +38,19 @@ static struct resource ath79_ohci_resour
39 };
40
41 static u64 ath79_ohci_dmamask = DMA_BIT_MASK(32);
42 +
43 +static struct usb_ohci_pdata ath79_ohci_pdata = {
44 +};
45 +
46 static struct platform_device ath79_ohci_device = {
47 - .name = "ath79-ohci",
48 + .name = "ohci-platform",
49 .id = -1,
50 .resource = ath79_ohci_resources,
51 .num_resources = ARRAY_SIZE(ath79_ohci_resources),
52 .dev = {
53 .dma_mask = &ath79_ohci_dmamask,
54 .coherent_dma_mask = DMA_BIT_MASK(32),
55 + .platform_data = &ath79_ohci_pdata,
56 },
57 };
58
59 @@ -60,8 +67,20 @@ static struct resource ath79_ehci_resour
60 };
61
62 static u64 ath79_ehci_dmamask = DMA_BIT_MASK(32);
63 +
64 +static struct usb_ehci_pdata ath79_ehci_pdata_v1 = {
65 + .has_synopsys_hc_bug = 1,
66 + .port_power_off = 1,
67 +};
68 +
69 +static struct usb_ehci_pdata ath79_ehci_pdata_v2 = {
70 + .caps_offset = 0x100,
71 + .has_tt = 1,
72 + .port_power_off = 1,
73 +};
74 +
75 static struct platform_device ath79_ehci_device = {
76 - .name = "ath79-ehci",
77 + .name = "ehci-platform",
78 .id = -1,
79 .resource = ath79_ehci_resources,
80 .num_resources = ARRAY_SIZE(ath79_ehci_resources),
81 @@ -101,7 +120,7 @@ static void __init ath79_usb_setup(void)
82
83 ath79_ehci_resources[0].start = AR71XX_EHCI_BASE;
84 ath79_ehci_resources[0].end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1;
85 - ath79_ehci_device.name = "ar71xx-ehci";
86 + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v1;
87 platform_device_register(&ath79_ehci_device);
88 }
89
90 @@ -142,7 +161,7 @@ static void __init ar724x_usb_setup(void
91
92 ath79_ehci_resources[0].start = AR724X_EHCI_BASE;
93 ath79_ehci_resources[0].end = AR724X_EHCI_BASE + AR724X_EHCI_SIZE - 1;
94 - ath79_ehci_device.name = "ar724x-ehci";
95 + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
96 platform_device_register(&ath79_ehci_device);
97 }
98
99 @@ -159,7 +178,7 @@ static void __init ar913x_usb_setup(void
100
101 ath79_ehci_resources[0].start = AR913X_EHCI_BASE;
102 ath79_ehci_resources[0].end = AR913X_EHCI_BASE + AR913X_EHCI_SIZE - 1;
103 - ath79_ehci_device.name = "ar913x-ehci";
104 + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
105 platform_device_register(&ath79_ehci_device);
106 }
107
108 @@ -176,7 +195,7 @@ static void __init ar933x_usb_setup(void
109
110 ath79_ehci_resources[0].start = AR933X_EHCI_BASE;
111 ath79_ehci_resources[0].end = AR933X_EHCI_BASE + AR933X_EHCI_SIZE - 1;
112 - ath79_ehci_device.name = "ar933x-ehci";
113 + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
114 platform_device_register(&ath79_ehci_device);
115 }
116
117 --- a/drivers/usb/host/Kconfig
118 +++ b/drivers/usb/host/Kconfig
119 @@ -218,11 +218,15 @@ config USB_CNS3XXX_EHCI
120 support.
121
122 config USB_EHCI_ATH79
123 - bool "EHCI support for AR7XXX/AR9XXX SoCs"
124 + bool "EHCI support for AR7XXX/AR9XXX SoCs (DEPRECATED)"
125 depends on USB_EHCI_HCD && (SOC_AR71XX || SOC_AR724X || SOC_AR913X || SOC_AR933X)
126 select USB_EHCI_ROOT_HUB_TT
127 + select USB_EHCI_HCD_PLATFORM
128 default y
129 ---help---
130 + This option is deprecated now and the driver was removed, use
131 + USB_EHCI_HCD_PLATFORM instead.
132 +
133 Enables support for the built-in EHCI controller present
134 on the Atheros AR7XXX/AR9XXX SoCs.
135
136 @@ -312,10 +316,14 @@ config USB_OHCI_HCD_OMAP3
137 OMAP3 and later chips.
138
139 config USB_OHCI_ATH79
140 - bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs"
141 + bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)"
142 depends on USB_OHCI_HCD && (SOC_AR71XX || SOC_AR724X)
143 + select USB_OHCI_HCD_PLATFORM
144 default y
145 help
146 + This option is deprecated now and the driver was removed, use
147 + USB_OHCI_HCD_PLATFORM instead.
148 +
149 Enables support for the built-in OHCI controller present on the
150 Atheros AR71XX/AR7240 SoCs.
151
152 --- a/drivers/usb/host/ehci-ath79.c
153 +++ /dev/null
154 @@ -1,208 +0,0 @@
155 -/*
156 - * Bus Glue for Atheros AR7XXX/AR9XXX built-in EHCI controller.
157 - *
158 - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
159 - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
160 - *
161 - * Parts of this file are based on Atheros' 2.6.15 BSP
162 - * Copyright (C) 2007 Atheros Communications, Inc.
163 - *
164 - * This program is free software; you can redistribute it and/or modify it
165 - * under the terms of the GNU General Public License version 2 as published
166 - * by the Free Software Foundation.
167 - */
168 -
169 -#include <linux/platform_device.h>
170 -
171 -enum {
172 - EHCI_ATH79_IP_V1 = 0,
173 - EHCI_ATH79_IP_V2,
174 -};
175 -
176 -static const struct platform_device_id ehci_ath79_id_table[] = {
177 - {
178 - .name = "ar71xx-ehci",
179 - .driver_data = EHCI_ATH79_IP_V1,
180 - },
181 - {
182 - .name = "ar724x-ehci",
183 - .driver_data = EHCI_ATH79_IP_V2,
184 - },
185 - {
186 - .name = "ar913x-ehci",
187 - .driver_data = EHCI_ATH79_IP_V2,
188 - },
189 - {
190 - .name = "ar933x-ehci",
191 - .driver_data = EHCI_ATH79_IP_V2,
192 - },
193 - {
194 - /* terminating entry */
195 - },
196 -};
197 -
198 -MODULE_DEVICE_TABLE(platform, ehci_ath79_id_table);
199 -
200 -static int ehci_ath79_init(struct usb_hcd *hcd)
201 -{
202 - struct ehci_hcd *ehci = hcd_to_ehci(hcd);
203 - struct platform_device *pdev = to_platform_device(hcd->self.controller);
204 - const struct platform_device_id *id;
205 - int ret;
206 -
207 - id = platform_get_device_id(pdev);
208 - if (!id) {
209 - dev_err(hcd->self.controller, "missing device id\n");
210 - return -EINVAL;
211 - }
212 -
213 - switch (id->driver_data) {
214 - case EHCI_ATH79_IP_V1:
215 - ehci->has_synopsys_hc_bug = 1;
216 -
217 - ehci->caps = hcd->regs;
218 - ehci->regs = hcd->regs +
219 - HC_LENGTH(ehci,
220 - ehci_readl(ehci, &ehci->caps->hc_capbase));
221 - break;
222 -
223 - case EHCI_ATH79_IP_V2:
224 - hcd->has_tt = 1;
225 -
226 - ehci->caps = hcd->regs + 0x100;
227 - ehci->regs = hcd->regs + 0x100 +
228 - HC_LENGTH(ehci,
229 - ehci_readl(ehci, &ehci->caps->hc_capbase));
230 - break;
231 -
232 - default:
233 - BUG();
234 - }
235 -
236 - dbg_hcs_params(ehci, "reset");
237 - dbg_hcc_params(ehci, "reset");
238 - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
239 - ehci->sbrn = 0x20;
240 -
241 - ehci_reset(ehci);
242 -
243 - ret = ehci_init(hcd);
244 - if (ret)
245 - return ret;
246 -
247 - ehci_port_power(ehci, 0);
248 -
249 - return 0;
250 -}
251 -
252 -static const struct hc_driver ehci_ath79_hc_driver = {
253 - .description = hcd_name,
254 - .product_desc = "Atheros built-in EHCI controller",
255 - .hcd_priv_size = sizeof(struct ehci_hcd),
256 - .irq = ehci_irq,
257 - .flags = HCD_MEMORY | HCD_USB2,
258 -
259 - .reset = ehci_ath79_init,
260 - .start = ehci_run,
261 - .stop = ehci_stop,
262 - .shutdown = ehci_shutdown,
263 -
264 - .urb_enqueue = ehci_urb_enqueue,
265 - .urb_dequeue = ehci_urb_dequeue,
266 - .endpoint_disable = ehci_endpoint_disable,
267 - .endpoint_reset = ehci_endpoint_reset,
268 -
269 - .get_frame_number = ehci_get_frame,
270 -
271 - .hub_status_data = ehci_hub_status_data,
272 - .hub_control = ehci_hub_control,
273 -
274 - .relinquish_port = ehci_relinquish_port,
275 - .port_handed_over = ehci_port_handed_over,
276 -
277 - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
278 -};
279 -
280 -static int ehci_ath79_probe(struct platform_device *pdev)
281 -{
282 - struct usb_hcd *hcd;
283 - struct resource *res;
284 - int irq;
285 - int ret;
286 -
287 - if (usb_disabled())
288 - return -ENODEV;
289 -
290 - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
291 - if (!res) {
292 - dev_dbg(&pdev->dev, "no IRQ specified\n");
293 - return -ENODEV;
294 - }
295 - irq = res->start;
296 -
297 - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
298 - if (!res) {
299 - dev_dbg(&pdev->dev, "no base address specified\n");
300 - return -ENODEV;
301 - }
302 -
303 - hcd = usb_create_hcd(&ehci_ath79_hc_driver, &pdev->dev,
304 - dev_name(&pdev->dev));
305 - if (!hcd)
306 - return -ENOMEM;
307 -
308 - hcd->rsrc_start = res->start;
309 - hcd->rsrc_len = resource_size(res);
310 -
311 - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
312 - dev_dbg(&pdev->dev, "controller already in use\n");
313 - ret = -EBUSY;
314 - goto err_put_hcd;
315 - }
316 -
317 - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
318 - if (!hcd->regs) {
319 - dev_dbg(&pdev->dev, "error mapping memory\n");
320 - ret = -EFAULT;
321 - goto err_release_region;
322 - }
323 -
324 - ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
325 - if (ret)
326 - goto err_iounmap;
327 -
328 - return 0;
329 -
330 -err_iounmap:
331 - iounmap(hcd->regs);
332 -
333 -err_release_region:
334 - release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
335 -err_put_hcd:
336 - usb_put_hcd(hcd);
337 - return ret;
338 -}
339 -
340 -static int ehci_ath79_remove(struct platform_device *pdev)
341 -{
342 - struct usb_hcd *hcd = platform_get_drvdata(pdev);
343 -
344 - usb_remove_hcd(hcd);
345 - iounmap(hcd->regs);
346 - release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
347 - usb_put_hcd(hcd);
348 -
349 - return 0;
350 -}
351 -
352 -static struct platform_driver ehci_ath79_driver = {
353 - .probe = ehci_ath79_probe,
354 - .remove = ehci_ath79_remove,
355 - .id_table = ehci_ath79_id_table,
356 - .driver = {
357 - .owner = THIS_MODULE,
358 - .name = "ath79-ehci",
359 - }
360 -};
361 -
362 -MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ath79-ehci");
363 --- a/drivers/usb/host/ehci-hcd.c
364 +++ b/drivers/usb/host/ehci-hcd.c
365 @@ -1356,11 +1356,6 @@ MODULE_LICENSE ("GPL");
366 #define PLATFORM_DRIVER s5p_ehci_driver
367 #endif
368
369 -#ifdef CONFIG_USB_EHCI_ATH79
370 -#include "ehci-ath79.c"
371 -#define PLATFORM_DRIVER ehci_ath79_driver
372 -#endif
373 -
374 #ifdef CONFIG_SPARC_LEON
375 #include "ehci-grlib.c"
376 #define PLATFORM_DRIVER ehci_grlib_driver
377 --- a/drivers/usb/host/ohci-ath79.c
378 +++ /dev/null
379 @@ -1,151 +0,0 @@
380 -/*
381 - * OHCI HCD (Host Controller Driver) for USB.
382 - *
383 - * Bus Glue for Atheros AR71XX/AR724X built-in OHCI controller.
384 - *
385 - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
386 - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
387 - *
388 - * Parts of this file are based on Atheros' 2.6.15 BSP
389 - * Copyright (C) 2007 Atheros Communications, Inc.
390 - *
391 - * This program is free software; you can redistribute it and/or modify it
392 - * under the terms of the GNU General Public License version 2 as published
393 - * by the Free Software Foundation.
394 - */
395 -
396 -#include <linux/platform_device.h>
397 -
398 -static int __devinit ohci_ath79_start(struct usb_hcd *hcd)
399 -{
400 - struct ohci_hcd *ohci = hcd_to_ohci(hcd);
401 - int ret;
402 -
403 - ret = ohci_init(ohci);
404 - if (ret < 0)
405 - return ret;
406 -
407 - ret = ohci_run(ohci);
408 - if (ret < 0)
409 - goto err;
410 -
411 - return 0;
412 -
413 -err:
414 - ohci_stop(hcd);
415 - return ret;
416 -}
417 -
418 -static const struct hc_driver ohci_ath79_hc_driver = {
419 - .description = hcd_name,
420 - .product_desc = "Atheros built-in OHCI controller",
421 - .hcd_priv_size = sizeof(struct ohci_hcd),
422 -
423 - .irq = ohci_irq,
424 - .flags = HCD_USB11 | HCD_MEMORY,
425 -
426 - .start = ohci_ath79_start,
427 - .stop = ohci_stop,
428 - .shutdown = ohci_shutdown,
429 -
430 - .urb_enqueue = ohci_urb_enqueue,
431 - .urb_dequeue = ohci_urb_dequeue,
432 - .endpoint_disable = ohci_endpoint_disable,
433 -
434 - /*
435 - * scheduling support
436 - */
437 - .get_frame_number = ohci_get_frame,
438 -
439 - /*
440 - * root hub support
441 - */
442 - .hub_status_data = ohci_hub_status_data,
443 - .hub_control = ohci_hub_control,
444 - .start_port_reset = ohci_start_port_reset,
445 -};
446 -
447 -static int ohci_ath79_probe(struct platform_device *pdev)
448 -{
449 - struct usb_hcd *hcd;
450 - struct resource *res;
451 - int irq;
452 - int ret;
453 -
454 - if (usb_disabled())
455 - return -ENODEV;
456 -
457 - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
458 - if (!res) {
459 - dev_dbg(&pdev->dev, "no IRQ specified\n");
460 - return -ENODEV;
461 - }
462 - irq = res->start;
463 -
464 - hcd = usb_create_hcd(&ohci_ath79_hc_driver, &pdev->dev,
465 - dev_name(&pdev->dev));
466 - if (!hcd)
467 - return -ENOMEM;
468 -
469 - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
470 - if (!res) {
471 - dev_dbg(&pdev->dev, "no base address specified\n");
472 - ret = -ENODEV;
473 - goto err_put_hcd;
474 - }
475 - hcd->rsrc_start = res->start;
476 - hcd->rsrc_len = resource_size(res);
477 -
478 - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
479 - dev_dbg(&pdev->dev, "controller already in use\n");
480 - ret = -EBUSY;
481 - goto err_put_hcd;
482 - }
483 -
484 - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
485 - if (!hcd->regs) {
486 - dev_dbg(&pdev->dev, "error mapping memory\n");
487 - ret = -EFAULT;
488 - goto err_release_region;
489 - }
490 -
491 - ohci_hcd_init(hcd_to_ohci(hcd));
492 -
493 - ret = usb_add_hcd(hcd, irq, 0);
494 - if (ret)
495 - goto err_stop_hcd;
496 -
497 - return 0;
498 -
499 -err_stop_hcd:
500 - iounmap(hcd->regs);
501 -err_release_region:
502 - release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
503 -err_put_hcd:
504 - usb_put_hcd(hcd);
505 - return ret;
506 -}
507 -
508 -static int ohci_ath79_remove(struct platform_device *pdev)
509 -{
510 - struct usb_hcd *hcd = platform_get_drvdata(pdev);
511 -
512 - usb_remove_hcd(hcd);
513 - iounmap(hcd->regs);
514 - release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
515 - usb_put_hcd(hcd);
516 -
517 - return 0;
518 -}
519 -
520 -static struct platform_driver ohci_hcd_ath79_driver = {
521 - .probe = ohci_ath79_probe,
522 - .remove = ohci_ath79_remove,
523 - .shutdown = usb_hcd_platform_shutdown,
524 - .driver = {
525 - .name = "ath79-ohci",
526 - .owner = THIS_MODULE,
527 - },
528 -};
529 -
530 -MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ath79-ohci");
531 --- a/drivers/usb/host/ohci-hcd.c
532 +++ b/drivers/usb/host/ohci-hcd.c
533 @@ -1111,11 +1111,6 @@ MODULE_LICENSE ("GPL");
534 #define PLATFORM_DRIVER ohci_hcd_cns3xxx_driver
535 #endif
536
537 -#ifdef CONFIG_USB_OHCI_ATH79
538 -#include "ohci-ath79.c"
539 -#define PLATFORM_DRIVER ohci_hcd_ath79_driver
540 -#endif
541 -
542 #ifdef CONFIG_CPU_XLR
543 #include "ohci-xls.c"
544 #define PLATFORM_DRIVER ohci_xls_driver
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