From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [04/31] usb: usbssp: Added USBSSP platform driver From: Greg Kroah-Hartman Message-Id: <20180712062139.GH20905@kroah.com> Date: Thu, 12 Jul 2018 08:21:39 +0200 To: Pawel Laszczak Cc: linux-usb@vger.kernel.org, Felipe Balbi , linux-kernel@vger.kernel.org, ltyrala@cadence.com, adouglas@cadence.com List-ID: T24gVGh1LCBKdWwgMTIsIDIwMTggYXQgMDY6NDc6MDFBTSArMDEwMCwgUGF3ZWwgTGFzemN6YWsg d3JvdGU6Cj4gVGhpcyBwYXRjaCBhZGRzIHBsYXRmb3JtIGRyaXZlciB0aGF0IGlzIGVudHJ5IHBv aW50IGZvciBsb2FkaW5nIGFuZAo+IHVubG9hZGluZyB1c2Jzc3Aua28gbW9kdWxlcy4KPiBJdCBh bHNvIGFkZHMgaW5mb3JtYXRpb24gYWJvdXQgdGhpcyBkcml2ZXIgdG8gZHJpdmVycy91c2IvS2Nv bmZpZwo+IGFuZCBkcml2ZXJzL3VzYi9NYWtlZmlsZSBmaWxlcyBhbmQgY3JlYXRlIEtjb25maWcg YW5kIE1ha2VmaWxlCj4gZmlsZXMgaW4gZHJpdmVycy91c2IvdXNic3NwIGRpcmVjdG9yeS4KPiAK PiBQYXRjaCBhbHNvIGFkZHMgdGVtcGxhdGUgZm9yIHNvbWUgZnVuY3Rpb24gaXZva2tlZCBmcm9t Cj4gdXNic3NwX3BsYXQuYyBmaWxlLiBUaGVzZSBmdW5jdGlvbiB3aWxsIGJlIGltcGxlbWVudGVk IGluIG5leHQgcGF0Y2hlcy4KPiAKPiBUaGlzIHBhdGNoIGFsc28gaW50cm9kdWNlIHVzYnNzcF90 cmJfdmlydF90b19kbWEgdGhhdCBjb252ZXJ0cwo+IHZpcnR1YWwgYWRkcmVzcyBvZiBUUkIncyB0 byBETUEgYWRkcmVzcy4gSW4gdGhpcyBtb21lbnQgdGhpcwo+IGZ1bmN0aW9uIGlzIHVzZWQgb25s eSBpbiBnYWRnZXQtdHJhY2UuaC4KPiAKPiA+RnJvbSB0aGlzIG1vbWVudCB0aGUgZHJpdmVyIGNh biBiZSBjb21waWxlZC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBQYXdlbCBMYXN6Y3phayA8cGF3ZWxs QGNhZGVuY2UuY29tPgoKVGhpcyBpcyBhIG11Y2ggbmljZXIgYnJlYWt1cCBvZiB0aGUgcGF0Y2hl cyB0aGFuIHRoZSBsYXN0IHNlcmllcywgdGhhbmtzCmZvciBkb2luZyBpdCB0aGlzIHdheS4KCj4g LS0tIGEvZHJpdmVycy91c2IvdXNic3NwL2dhZGdldC5oCj4gKysrIGIvZHJpdmVycy91c2IvdXNi c3NwL2dhZGdldC5oCj4gQEAgLTksNyArOSw2IEBACj4gICAqIEEgbG90IG9mIGNvZGUgYmFzZWQg b24gTGludXggWEhDSSBkcml2ZXIuCj4gICAqIE9yaWdpbjogQ29weXJpZ2h0IChDKSAyMDA4IElu dGVsIENvcnAuCj4gICAqLwo+IC0KPiAgI2lmbmRlZiBfX0xJTlVYX1VTQlNTUF9HQURHRVRfSAo+ ICAjZGVmaW5lIF9fTElOVVhfVVNCU1NQX0dBREdFVF9ICj4gIAoKWW91IHNob3VsZCBoYXZlIGRv bmUgdGhhdCBpbiBhbiBlYXJsaWVyIHBhdGNoIDopCgo+IEBAIC0xNjcxLDYgKzE2NzAsMjEgQEAg c3RhdGljIGlubGluZSB2b2lkIHVzYnNzcF93cml0ZV82NChzdHJ1Y3QgdXNic3NwX3VkYyAqdXNi c3NwX2RhdGEsCj4gIHsKPiAgCWxvX2hpX3dyaXRlcSh2YWwsIHJlZ3MpOwo+ICB9Cj4gKwo+ICsv KiBVU0JTU1AgRGV2aWNlIGNvbnRyb2xsZXIgZ2x1ZSAqLwo+ICtpbnQgdXNic3NwX3N1c3BlbmQo c3RydWN0IHVzYnNzcF91ZGMgKnVzYnNzcF9kYXRhLCBib29sIGRvX3dha2V1cCk7Cj4gK2ludCB1 c2Jzc3BfcmVzdW1lKHN0cnVjdCB1c2Jzc3BfdWRjICp1c2Jzc3BfZGF0YSwgYm9vbCBoaWJlcm5h dGVkKTsKPiArCj4gK2lycXJldHVybl90IHVzYnNzcF9pcnEoaW50IGlycSwgdm9pZCAqcHJpdik7 Cj4gKwo+ICsvKiBVU0JTU1AgcmluZywgc2VnbWVudCwgVFJCLCBhbmQgVEQgZnVuY3Rpb25zICov Cj4gK2RtYV9hZGRyX3QgdXNic3NwX3RyYl92aXJ0X3RvX2RtYShzdHJ1Y3QgdXNic3NwX3NlZ21l bnQgKnNlZywKPiArCQl1bmlvbiB1c2Jzc3BfdHJiICp0cmIpOwo+ICsKPiArLyogVVNCU1NQIGdh ZGdldCBpbnRlcmZhY2UqLwo+ICtpbnQgdXNic3NwX2dhZGdldF9pbml0KHN0cnVjdCB1c2Jzc3Bf dWRjICp1c2Jzc3BfZGF0YSk7Cj4gK2ludCAgdXNic3NwX2dhZGdldF9leGl0KHN0cnVjdCB1c2Jz c3BfdWRjICp1c2Jzc3BfZGF0YSk7CgpWZXJ5IG9kZCBpbmRlbnRhdGlvbiwgZG9uJ3QgeW91IHRo aW5rPwoKPiArTU9EVUxFX0FMSUFTKCJwbGF0Zm9ybTp1c2Jzcy1nYWRnZXQiKTsKPiArTU9EVUxF X0RFU0NSSVBUSU9OKCJVU0JTU1AnIERldmljZSBDb250cm9sbGVyIChVU0JTU1ApIERyaXZlciIp Owo+ICtNT0RVTEVfTElDRU5TRSgiR1BMIik7CgpXcm9uZyBNT0RVTEVfTElDRU5TRSgpIHN0cmlu Zy4gIFBsZWFzZSByZWFkIG1vZHVsZS5oIGZvciB3aGF0IHRoZXNlIGFsbApzaG91bGQgYmUuCgp0 aGFua3MsCgpncmVnIGstaAotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQg dGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdl IHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0 cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D4DFC43A1D for ; Thu, 12 Jul 2018 06:21:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C23CD20864 for ; Thu, 12 Jul 2018 06:21:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C23CD20864 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732390AbeGLG3r (ORCPT ); Thu, 12 Jul 2018 02:29:47 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:60462 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726808AbeGLG3q (ORCPT ); Thu, 12 Jul 2018 02:29:46 -0400 Received: from localhost (LFbn-1-12247-202.w90-92.abo.wanadoo.fr [90.92.61.202]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 66CC5C9E; Thu, 12 Jul 2018 06:21:41 +0000 (UTC) Date: Thu, 12 Jul 2018 08:21:39 +0200 From: Greg Kroah-Hartman To: Pawel Laszczak Cc: linux-usb@vger.kernel.org, Felipe Balbi , linux-kernel@vger.kernel.org, ltyrala@cadence.com, adouglas@cadence.com Subject: Re: [PATCH 04/31] usb: usbssp: Added USBSSP platform driver Message-ID: <20180712062139.GH20905@kroah.com> References: <1531374448-26532-1-git-send-email-pawell@cadence.com> <1531374448-26532-5-git-send-email-pawell@cadence.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1531374448-26532-5-git-send-email-pawell@cadence.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 12, 2018 at 06:47:01AM +0100, Pawel Laszczak wrote: > This patch adds platform driver that is entry point for loading and > unloading usbssp.ko modules. > It also adds information about this driver to drivers/usb/Kconfig > and drivers/usb/Makefile files and create Kconfig and Makefile > files in drivers/usb/usbssp directory. > > Patch also adds template for some function ivokked from > usbssp_plat.c file. These function will be implemented in next patches. > > This patch also introduce usbssp_trb_virt_to_dma that converts > virtual address of TRB's to DMA address. In this moment this > function is used only in gadget-trace.h. > > >From this moment the driver can be compiled. > > Signed-off-by: Pawel Laszczak This is a much nicer breakup of the patches than the last series, thanks for doing it this way. > --- a/drivers/usb/usbssp/gadget.h > +++ b/drivers/usb/usbssp/gadget.h > @@ -9,7 +9,6 @@ > * A lot of code based on Linux XHCI driver. > * Origin: Copyright (C) 2008 Intel Corp. > */ > - > #ifndef __LINUX_USBSSP_GADGET_H > #define __LINUX_USBSSP_GADGET_H > You should have done that in an earlier patch :) > @@ -1671,6 +1670,21 @@ static inline void usbssp_write_64(struct usbssp_udc *usbssp_data, > { > lo_hi_writeq(val, regs); > } > + > +/* USBSSP Device controller glue */ > +int usbssp_suspend(struct usbssp_udc *usbssp_data, bool do_wakeup); > +int usbssp_resume(struct usbssp_udc *usbssp_data, bool hibernated); > + > +irqreturn_t usbssp_irq(int irq, void *priv); > + > +/* USBSSP ring, segment, TRB, and TD functions */ > +dma_addr_t usbssp_trb_virt_to_dma(struct usbssp_segment *seg, > + union usbssp_trb *trb); > + > +/* USBSSP gadget interface*/ > +int usbssp_gadget_init(struct usbssp_udc *usbssp_data); > +int usbssp_gadget_exit(struct usbssp_udc *usbssp_data); Very odd indentation, don't you think? > +MODULE_ALIAS("platform:usbss-gadget"); > +MODULE_DESCRIPTION("USBSSP' Device Controller (USBSSP) Driver"); > +MODULE_LICENSE("GPL"); Wrong MODULE_LICENSE() string. Please read module.h for what these all should be. thanks, greg k-h