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: [v3,1/5] dma: imx-sdma: add clock ratio 1:1 check From: Lucas Stach Message-Id: <1548258228.28802.5.camel@pengutronix.de> Date: Wed, 23 Jan 2019 16:43:48 +0100 To: "Angus Ainslie (Purism)" Cc: angus.ainslie@puri.sm, Vinod Koul , dmaengine@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Daniel Baluta List-ID: QW0gTWl0dHdvY2gsIGRlbiAyMy4wMS4yMDE5LCAwODoyMyAtMDcwMCBzY2hyaWViIEFuZ3VzIEFp bnNsaWUgKFB1cmlzbSk6Cj4gT24gaS5teDggbXNjYWxlIEIwIGNoaXAsIEFIQi9TRE1BIGNsb2Nr IHJhdGlvIDI6MSBjYW4ndCBiZSBzdXBwb3J0dGVkLAo+IHNpbmNlIFNETUEgY2xvY2sgcmF0aW8g aGFzIHRvIGJlIGluY3JlYXNlZCB0byAyNTBNaHosIEFIQiBjYW4ndCByZWFjaAo+IHRvIDUwME1o eiwgc28gdXNlIDE6MSBpbnN0ZWFkLgo+IAo+ID4gQmFzZWQgb24gTlhQIGNvbW1pdCBNTEstMTY4 NDEtMSBieSBSb2JpbiBHb25nIDx5aWJpbi5nb25nQG54cC5jb20+Cj4gCj4gPiBTaWduZWQtb2Zm LWJ5OiBBbmd1cyBBaW5zbGllIChQdXJpc20pIDxhbmd1c0Bha2tlYS5jYT4KPiAtLS0KPiDCoGRy aXZlcnMvZG1hL2lteC1zZG1hLmMgfCAyMyArKysrKysrKysrKysrKysrKysrLS0tLQo+IMKgMSBm aWxlIGNoYW5nZWQsIDE5IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMgYi9kcml2ZXJzL2RtYS9pbXgtc2RtYS5jCj4g aW5kZXggMGIzYTY3ZmY4ZTgyLi41MzFhOWQ4YjAzMmEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9k bWEvaW14LXNkbWEuYwo+ICsrKyBiL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMKPiBAQCAtNDQwLDYg KzQ0MCw4IEBAIHN0cnVjdCBzZG1hX2VuZ2luZSB7Cj4gPiA+IMKgCXVuc2lnbmVkIGludAkJCWly cTsKPiA+ID4gwqAJZG1hX2FkZHJfdAkJCWJkMF9waHlzOwo+ID4gPiDCoAlzdHJ1Y3Qgc2RtYV9i dWZmZXJfZGVzY3JpcHRvcgkqYmQwOwo+ID4gKwkvKiBjbG9jayByYXRpbyBmb3IgQUhCOlNETUEg Y29yZS4gMToxIGlzIDEsIDI6MSBpcyAwKi8KPiA+ID4gKwlib29sCQkJCWNsa19yYXRpbzsKPiDC oH07Cj4gwqAKPiDCoHN0YXRpYyBpbnQgc2RtYV9jb25maWdfd3JpdGUoc3RydWN0IGRtYV9jaGFu ICpjaGFuLAo+IEBAIC02NjIsOCArNjY0LDE0IEBAIHN0YXRpYyBpbnQgc2RtYV9ydW5fY2hhbm5l bDAoc3RydWN0IHNkbWFfZW5naW5lICpzZG1hKQo+ID4gwqAJCWRldl9lcnIoc2RtYS0+ZGV2LCAi VGltZW91dCB3YWl0aW5nIGZvciBDSDAgcmVhZHlcbiIpOwo+IMKgCj4gPiDCoAkvKiBTZXQgYml0 cyBvZiBDT05GSUcgcmVnaXN0ZXIgd2l0aCBkeW5hbWljIGNvbnRleHQgc3dpdGNoaW5nICovCj4g PiAtCWlmIChyZWFkbChzZG1hLT5yZWdzICsgU0RNQV9IX0NPTkZJRykgPT0gMCkKPiA+IC0JCXdy aXRlbF9yZWxheGVkKFNETUFfSF9DT05GSUdfQ1NNLCBzZG1hLT5yZWdzICsgU0RNQV9IX0NPTkZJ Ryk7Cj4gKwlpZiAocmVhZGwoc2RtYS0+cmVncyArIFNETUFfSF9DT05GSUcpID09IDApIHsKCklm IHRoZSBBQ1IgYml0IGdldHMgc2V0IGluIHNkbWFfaW5pdCgpLCBkbyB3ZSBldmVyIGVuZCB1cCBp biB0aGlzIGNvZGUKcGF0aD8gRnJvbSBhIHF1aWNrIGdsYW5jZSBpdCBzZWVtcyB3ZSBtaWdodCB3 cm9uZ2Z1bGx5IHNraXAgdGhlIENTTQplbmFibGUgaGVyZS4KCj4gKwkJaWYgKHNkbWEtPmNsa19y YXRpbykKPiA+ICsJCQlyZWcgPSBTRE1BX0hfQ09ORklHX0NTTSB8IFNETUFfSF9DT05GSUdfQUNS Owo+ID4gKwkJZWxzZQo+ICsJCQlyZWcgPSBTRE1BX0hfQ09ORklHX0NTTTsKClRoYXQncyBhIHBl cnNvbmFsIHN0eWxlIHByZWZlcmVuY2UsIGJ1dCBJIHdvdWxkIHdyaXRlIHRoaXMgYXM6CgpyZWcg PSBTRE1BX0hfQ09ORklHX0NTTTsKCmlmIChzZG1hLT5jbGtfcmF0aW8pOwoJcmVnIHw9IFNETUFf SF9DT05GSUdfQUNSOwoKPiArCj4gPiArCQl3cml0ZWxfcmVsYXhlZChyZWcsIHNkbWEtPnJlZ3Mg KyBTRE1BX0hfQ09ORklHKTsKPiA+ICsJfQo+IMKgCj4gPiDCoAlyZXR1cm4gcmV0Owo+IMKgfQo+ IEBAIC0xODQwLDYgKzE4NDgsMTEgQEAgc3RhdGljIGludCBzZG1hX2luaXQoc3RydWN0IHNkbWFf ZW5naW5lICpzZG1hKQo+ID4gwqAJaWYgKHJldCkKPiA+IMKgCQlnb3RvIGRpc2FibGVfY2xrX2lw ZzsKPiDCoAo+ID4gKwlpZiAoY2xrX2dldF9yYXRlKHNkbWEtPmNsa19haGIpID09IGNsa19nZXRf cmF0ZShzZG1hLT5jbGtfaXBnKSkKPiA+ICsJCXNkbWEtPmNsa19yYXRpbyA9IDE7Cj4gPiArCWVs c2UKPiArCQlzZG1hLT5jbGtfcmF0aW8gPSAwOwoKc2RtYSBpcyB6ZXJvZWQgYXQgYWxsb2NhdGlv biwgc28gdGhlIGVsc2UgcGF0aCBoZXJlIGlzbid0IG5lY2Vzc2FyeS4KCj4gKwo+ID4gwqAJLyog QmUgc3VyZSBTRE1BIGhhcyBub3Qgc3RhcnRlZCB5ZXQgKi8KPiA+IMKgCXdyaXRlbF9yZWxheGVk KDAsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQzBQVFIpOwo+IMKgCj4gQEAgLTE4ODAsOCArMTg5Mywx MCBAQCBzdGF0aWMgaW50IHNkbWFfaW5pdChzdHJ1Y3Qgc2RtYV9lbmdpbmUgKnNkbWEpCj4gPiDC oAl3cml0ZWxfcmVsYXhlZCgweDQwNTAsIHNkbWEtPnJlZ3MgKyBTRE1BX0NITjBBRERSKTsKPiDC oAo+ID4gwqAJLyogU2V0IGJpdHMgb2YgQ09ORklHIHJlZ2lzdGVyIGJ1dCB3aXRoIHN0YXRpYyBj b250ZXh0IHN3aXRjaGluZyAqLwo+ID4gLQkvKiBGSVhNRTogQ2hlY2sgd2hldGhlciB0byBzZXQg QUNSIGJpdCBkZXBlbmRpbmcgb24gY2xvY2sgcmF0aW9zICovCj4gPiAtCXdyaXRlbF9yZWxheGVk KDAsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQ09ORklHKTsKPiA+ICsJaWYgKHNkbWEtPmNsa19yYXRp bykKPiA+ICsJCXdyaXRlbF9yZWxheGVkKFNETUFfSF9DT05GSUdfQUNSLCBzZG1hLT5yZWdzICsg U0RNQV9IX0NPTkZJRyk7Cj4gPiArCWVsc2UKPiA+ICsJCXdyaXRlbF9yZWxheGVkKDAsIHNkbWEt PnJlZ3MgKyBTRE1BX0hfQ09ORklHKTsKPiDCoAo+ID4gwqAJd3JpdGVsX3JlbGF4ZWQoY2NiX3Bo eXMsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQzBQVFIpOwo+Cg== 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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 573FFC282C0 for ; Wed, 23 Jan 2019 15:43:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2EBD1218AC for ; Wed, 23 Jan 2019 15:43:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726766AbfAWPnz (ORCPT ); Wed, 23 Jan 2019 10:43:55 -0500 Received: from metis.ext.pengutronix.de ([85.220.165.71]:59125 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726243AbfAWPnz (ORCPT ); Wed, 23 Jan 2019 10:43:55 -0500 Received: from kresse.hi.pengutronix.de ([2001:67c:670:100:1d::2a]) by metis.ext.pengutronix.de with esmtp (Exim 4.89) (envelope-from ) id 1gmKgu-0008R4-DT; Wed, 23 Jan 2019 16:43:48 +0100 Message-ID: <1548258228.28802.5.camel@pengutronix.de> Subject: Re: [PATCH v3 1/5] dma: imx-sdma: add clock ratio 1:1 check From: Lucas Stach To: "Angus Ainslie (Purism)" Cc: angus.ainslie@puri.sm, Vinod Koul , dmaengine@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Daniel Baluta Date: Wed, 23 Jan 2019 16:43:48 +0100 In-Reply-To: <20190123152310.11680-2-angus@akkea.ca> References: <20190120023150.17138-1-angus@akkea.ca> <20190123152310.11680-1-angus@akkea.ca> <20190123152310.11680-2-angus@akkea.ca> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1+deb9u1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::2a X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, den 23.01.2019, 08:23 -0700 schrieb Angus Ainslie (Purism): > On i.mx8 mscale B0 chip, AHB/SDMA clock ratio 2:1 can't be supportted, > since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach > to 500Mhz, so use 1:1 instead. > > > Based on NXP commit MLK-16841-1 by Robin Gong > > > Signed-off-by: Angus Ainslie (Purism) > --- >  drivers/dma/imx-sdma.c | 23 +++++++++++++++++++---- >  1 file changed, 19 insertions(+), 4 deletions(-) > > diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c > index 0b3a67ff8e82..531a9d8b032a 100644 > --- a/drivers/dma/imx-sdma.c > +++ b/drivers/dma/imx-sdma.c > @@ -440,6 +440,8 @@ struct sdma_engine { > > >   unsigned int irq; > > >   dma_addr_t bd0_phys; > > >   struct sdma_buffer_descriptor *bd0; > > + /* clock ratio for AHB:SDMA core. 1:1 is 1, 2:1 is 0*/ > > > + bool clk_ratio; >  }; >   >  static int sdma_config_write(struct dma_chan *chan, > @@ -662,8 +664,14 @@ static int sdma_run_channel0(struct sdma_engine *sdma) > >   dev_err(sdma->dev, "Timeout waiting for CH0 ready\n"); >   > >   /* Set bits of CONFIG register with dynamic context switching */ > > - if (readl(sdma->regs + SDMA_H_CONFIG) == 0) > > - writel_relaxed(SDMA_H_CONFIG_CSM, sdma->regs + SDMA_H_CONFIG); > + if (readl(sdma->regs + SDMA_H_CONFIG) == 0) { If the ACR bit gets set in sdma_init(), do we ever end up in this code path? From a quick glance it seems we might wrongfully skip the CSM enable here. > + if (sdma->clk_ratio) > > + reg = SDMA_H_CONFIG_CSM | SDMA_H_CONFIG_ACR; > > + else > + reg = SDMA_H_CONFIG_CSM; That's a personal style preference, but I would write this as: reg = SDMA_H_CONFIG_CSM; if (sdma->clk_ratio); reg |= SDMA_H_CONFIG_ACR; > + > > + writel_relaxed(reg, sdma->regs + SDMA_H_CONFIG); > > + } >   > >   return ret; >  } > @@ -1840,6 +1848,11 @@ static int sdma_init(struct sdma_engine *sdma) > >   if (ret) > >   goto disable_clk_ipg; >   > > + if (clk_get_rate(sdma->clk_ahb) == clk_get_rate(sdma->clk_ipg)) > > + sdma->clk_ratio = 1; > > + else > + sdma->clk_ratio = 0; sdma is zeroed at allocation, so the else path here isn't necessary. > + > >   /* Be sure SDMA has not started yet */ > >   writel_relaxed(0, sdma->regs + SDMA_H_C0PTR); >   > @@ -1880,8 +1893,10 @@ static int sdma_init(struct sdma_engine *sdma) > >   writel_relaxed(0x4050, sdma->regs + SDMA_CHN0ADDR); >   > >   /* Set bits of CONFIG register but with static context switching */ > > - /* FIXME: Check whether to set ACR bit depending on clock ratios */ > > - writel_relaxed(0, sdma->regs + SDMA_H_CONFIG); > > + if (sdma->clk_ratio) > > + writel_relaxed(SDMA_H_CONFIG_ACR, sdma->regs + SDMA_H_CONFIG); > > + else > > + writel_relaxed(0, sdma->regs + SDMA_H_CONFIG); >   > >   writel_relaxed(ccb_phys, sdma->regs + SDMA_H_C0PTR); >   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=-8.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 C2037C282C0 for ; Wed, 23 Jan 2019 15:44:05 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 864B521855 for ; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gmKh3-0001JW-UG; Wed, 23 Jan 2019 15:43:57 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gmKh0-0001Iw-9s for linux-arm-kernel@lists.infradead.org; Wed, 23 Jan 2019 15:43:55 +0000 Received: from kresse.hi.pengutronix.de ([2001:67c:670:100:1d::2a]) by metis.ext.pengutronix.de with esmtp (Exim 4.89) (envelope-from ) id 1gmKgu-0008R4-DT; Wed, 23 Jan 2019 16:43:48 +0100 Message-ID: <1548258228.28802.5.camel@pengutronix.de> Subject: Re: [PATCH v3 1/5] dma: imx-sdma: add clock ratio 1:1 check From: Lucas Stach To: "Angus Ainslie (Purism)" Date: Wed, 23 Jan 2019 16:43:48 +0100 In-Reply-To: <20190123152310.11680-2-angus@akkea.ca> References: <20190120023150.17138-1-angus@akkea.ca> <20190123152310.11680-1-angus@akkea.ca> <20190123152310.11680-2-angus@akkea.ca> X-Mailer: Evolution 3.22.6-1+deb9u1 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::2a X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190123_074354_514961_FBF2B294 X-CRM114-Status: GOOD ( 17.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Baluta , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Vinod Koul , NXP Linux Team , Pengutronix Kernel Team , angus.ainslie@puri.sm, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org QW0gTWl0dHdvY2gsIGRlbiAyMy4wMS4yMDE5LCAwODoyMyAtMDcwMCBzY2hyaWViIEFuZ3VzIEFp bnNsaWUgKFB1cmlzbSk6Cj4gT24gaS5teDggbXNjYWxlIEIwIGNoaXAsIEFIQi9TRE1BIGNsb2Nr IHJhdGlvIDI6MSBjYW4ndCBiZSBzdXBwb3J0dGVkLAo+IHNpbmNlIFNETUEgY2xvY2sgcmF0aW8g aGFzIHRvIGJlIGluY3JlYXNlZCB0byAyNTBNaHosIEFIQiBjYW4ndCByZWFjaAo+IHRvIDUwME1o eiwgc28gdXNlIDE6MSBpbnN0ZWFkLgo+IAo+ID4gQmFzZWQgb24gTlhQIGNvbW1pdCBNTEstMTY4 NDEtMSBieSBSb2JpbiBHb25nIDx5aWJpbi5nb25nQG54cC5jb20+Cj4gCj4gPiBTaWduZWQtb2Zm LWJ5OiBBbmd1cyBBaW5zbGllIChQdXJpc20pIDxhbmd1c0Bha2tlYS5jYT4KPiAtLS0KPiDCoGRy aXZlcnMvZG1hL2lteC1zZG1hLmMgfCAyMyArKysrKysrKysrKysrKysrKysrLS0tLQo+IMKgMSBm aWxlIGNoYW5nZWQsIDE5IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMgYi9kcml2ZXJzL2RtYS9pbXgtc2RtYS5jCj4g aW5kZXggMGIzYTY3ZmY4ZTgyLi41MzFhOWQ4YjAzMmEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9k bWEvaW14LXNkbWEuYwo+ICsrKyBiL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMKPiBAQCAtNDQwLDYg KzQ0MCw4IEBAIHN0cnVjdCBzZG1hX2VuZ2luZSB7Cj4gPiA+IMKgCXVuc2lnbmVkIGludAkJCWly cTsKPiA+ID4gwqAJZG1hX2FkZHJfdAkJCWJkMF9waHlzOwo+ID4gPiDCoAlzdHJ1Y3Qgc2RtYV9i dWZmZXJfZGVzY3JpcHRvcgkqYmQwOwo+ID4gKwkvKiBjbG9jayByYXRpbyBmb3IgQUhCOlNETUEg Y29yZS4gMToxIGlzIDEsIDI6MSBpcyAwKi8KPiA+ID4gKwlib29sCQkJCWNsa19yYXRpbzsKPiDC oH07Cj4gwqAKPiDCoHN0YXRpYyBpbnQgc2RtYV9jb25maWdfd3JpdGUoc3RydWN0IGRtYV9jaGFu ICpjaGFuLAo+IEBAIC02NjIsOCArNjY0LDE0IEBAIHN0YXRpYyBpbnQgc2RtYV9ydW5fY2hhbm5l bDAoc3RydWN0IHNkbWFfZW5naW5lICpzZG1hKQo+ID4gwqAJCWRldl9lcnIoc2RtYS0+ZGV2LCAi VGltZW91dCB3YWl0aW5nIGZvciBDSDAgcmVhZHlcbiIpOwo+IMKgCj4gPiDCoAkvKiBTZXQgYml0 cyBvZiBDT05GSUcgcmVnaXN0ZXIgd2l0aCBkeW5hbWljIGNvbnRleHQgc3dpdGNoaW5nICovCj4g PiAtCWlmIChyZWFkbChzZG1hLT5yZWdzICsgU0RNQV9IX0NPTkZJRykgPT0gMCkKPiA+IC0JCXdy aXRlbF9yZWxheGVkKFNETUFfSF9DT05GSUdfQ1NNLCBzZG1hLT5yZWdzICsgU0RNQV9IX0NPTkZJ Ryk7Cj4gKwlpZiAocmVhZGwoc2RtYS0+cmVncyArIFNETUFfSF9DT05GSUcpID09IDApIHsKCklm IHRoZSBBQ1IgYml0IGdldHMgc2V0IGluIHNkbWFfaW5pdCgpLCBkbyB3ZSBldmVyIGVuZCB1cCBp biB0aGlzIGNvZGUKcGF0aD8gRnJvbSBhIHF1aWNrIGdsYW5jZSBpdCBzZWVtcyB3ZSBtaWdodCB3 cm9uZ2Z1bGx5IHNraXAgdGhlIENTTQplbmFibGUgaGVyZS4KCj4gKwkJaWYgKHNkbWEtPmNsa19y YXRpbykKPiA+ICsJCQlyZWcgPSBTRE1BX0hfQ09ORklHX0NTTSB8IFNETUFfSF9DT05GSUdfQUNS Owo+ID4gKwkJZWxzZQo+ICsJCQlyZWcgPSBTRE1BX0hfQ09ORklHX0NTTTsKClRoYXQncyBhIHBl cnNvbmFsIHN0eWxlIHByZWZlcmVuY2UsIGJ1dCBJIHdvdWxkIHdyaXRlIHRoaXMgYXM6CgpyZWcg PSBTRE1BX0hfQ09ORklHX0NTTTsKCmlmIChzZG1hLT5jbGtfcmF0aW8pOwoJcmVnIHw9IFNETUFf SF9DT05GSUdfQUNSOwoKPiArCj4gPiArCQl3cml0ZWxfcmVsYXhlZChyZWcsIHNkbWEtPnJlZ3Mg KyBTRE1BX0hfQ09ORklHKTsKPiA+ICsJfQo+IMKgCj4gPiDCoAlyZXR1cm4gcmV0Owo+IMKgfQo+ IEBAIC0xODQwLDYgKzE4NDgsMTEgQEAgc3RhdGljIGludCBzZG1hX2luaXQoc3RydWN0IHNkbWFf ZW5naW5lICpzZG1hKQo+ID4gwqAJaWYgKHJldCkKPiA+IMKgCQlnb3RvIGRpc2FibGVfY2xrX2lw ZzsKPiDCoAo+ID4gKwlpZiAoY2xrX2dldF9yYXRlKHNkbWEtPmNsa19haGIpID09IGNsa19nZXRf cmF0ZShzZG1hLT5jbGtfaXBnKSkKPiA+ICsJCXNkbWEtPmNsa19yYXRpbyA9IDE7Cj4gPiArCWVs c2UKPiArCQlzZG1hLT5jbGtfcmF0aW8gPSAwOwoKc2RtYSBpcyB6ZXJvZWQgYXQgYWxsb2NhdGlv biwgc28gdGhlIGVsc2UgcGF0aCBoZXJlIGlzbid0IG5lY2Vzc2FyeS4KCj4gKwo+ID4gwqAJLyog QmUgc3VyZSBTRE1BIGhhcyBub3Qgc3RhcnRlZCB5ZXQgKi8KPiA+IMKgCXdyaXRlbF9yZWxheGVk KDAsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQzBQVFIpOwo+IMKgCj4gQEAgLTE4ODAsOCArMTg5Mywx MCBAQCBzdGF0aWMgaW50IHNkbWFfaW5pdChzdHJ1Y3Qgc2RtYV9lbmdpbmUgKnNkbWEpCj4gPiDC oAl3cml0ZWxfcmVsYXhlZCgweDQwNTAsIHNkbWEtPnJlZ3MgKyBTRE1BX0NITjBBRERSKTsKPiDC oAo+ID4gwqAJLyogU2V0IGJpdHMgb2YgQ09ORklHIHJlZ2lzdGVyIGJ1dCB3aXRoIHN0YXRpYyBj b250ZXh0IHN3aXRjaGluZyAqLwo+ID4gLQkvKiBGSVhNRTogQ2hlY2sgd2hldGhlciB0byBzZXQg QUNSIGJpdCBkZXBlbmRpbmcgb24gY2xvY2sgcmF0aW9zICovCj4gPiAtCXdyaXRlbF9yZWxheGVk KDAsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQ09ORklHKTsKPiA+ICsJaWYgKHNkbWEtPmNsa19yYXRp bykKPiA+ICsJCXdyaXRlbF9yZWxheGVkKFNETUFfSF9DT05GSUdfQUNSLCBzZG1hLT5yZWdzICsg U0RNQV9IX0NPTkZJRyk7Cj4gPiArCWVsc2UKPiA+ICsJCXdyaXRlbF9yZWxheGVkKDAsIHNkbWEt PnJlZ3MgKyBTRE1BX0hfQ09ORklHKTsKPiDCoAo+ID4gwqAJd3JpdGVsX3JlbGF4ZWQoY2NiX3Bo eXMsIHNkbWEtPnJlZ3MgKyBTRE1BX0hfQzBQVFIpOwo+IMKgCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlz dApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==