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ZQ0KPiA+ICAgICAgICAgICAgICAgICBxbV9jY3NyX291dChSRUdfUUNTUF9MSU9fQ0ZHKGlkeCks IGFmdGVyKTsNCj4gPiArI2VuZGlmDQo+IA0KPiBBY2NvcmRpbmcgdG8gdGhlIExpbnV4IGNvZGlu ZyBzdHlsZSByZWNvbW1lbmRhdGlvbiwgaXQgd291bGQgYmUgYmV0dGVyDQo+IHRvIHB1dCB0aGUg I2lmZGVmIGludG8gdGhlIGhlYWRlciBmaWxlcw0KPiAiZHJpdmVycy9zb2MvZnNsL3FibWFuL3Ft YW5fcHJpdi5oIi4gIEFuZCBJJ20gbm90IHN1cmUgaWYgdGhpcyBpcw0KPiBuZWVkZWQgb24gUFBD IHdoZW4gSU9NTVUoUEFNVSkgZHJpdmVyIGlzIG5vdCBjb21waWxlZCwgaWYgbm90LA0KPiBwcm9i YWJseSB1c2luZyBDT05GSUdfUEFNVSBhcyBjb25kaXRpb24gd291bGQgYmUgZXZlbiBiZXR0ZXIu DQoNCkdvb2QgcG9pbnQsIHdpbGwgc28gaW4gdGhlIG5leHQgc3Bpbi4NCg0KLS0tDQpCZXN0IFJl Z2FyZHMsIExhdXJlbnRpdQ0KDQo+ID4gIH0NCj4gPg0KPiA+ICAjZGVmaW5lIElPX0NGR19TREVT VF9NQVNLIDB4MDBmZjAwMDANCj4gPiAtLQ0KPiA+IDIuMTcuMQ0KPiA+DQo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurentiu Tudor Subject: RE: [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets Date: Mon, 1 Apr 2019 10:21:22 +0000 Message-ID: References: <20190329140014.8126-1-laurentiu.tudor@nxp.com> <20190329140014.8126-2-laurentiu.tudor@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Leo Li Cc: Madalin-cristian Bucur , Netdev , Roy Pledge , lkml , Linux IOMMU , Camelia Alexandra Groza , linuxppc-dev , David Miller , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" List-Id: iommu@lists.linux-foundation.org Hi Leo, > -----Original Message----- > From: Li Yang [mailto:leoyang.li-3arQi8VN3Tc@public.gmane.org] > Sent: Friday, March 29, 2019 11:50 PM > To: Laurentiu Tudor > Cc: Netdev ; Madalin-cristian Bucur > ; Roy Pledge ; Camelia > Alexandra Groza ; David Miller > ; Linux IOMMU ; > moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>; linuxppc-dev ; > lkml > Subject: Re: [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets > Importance: High > > On Fri, Mar 29, 2019 at 9:01 AM wrote: > > > > From: Laurentiu Tudor > > > > ARM SoCs use SMMU so the liodn fixup done in the qman driver is no > > longer making sense and it also breaks the ICID settings inherited > > from u-boot. Do the fixups only for PPC targets. > > > > Signed-off-by: Laurentiu Tudor > > --- > > drivers/soc/fsl/qbman/qman_ccsr.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c > b/drivers/soc/fsl/qbman/qman_ccsr.c > > index 109b38de3176..12e414ca3b03 100644 > > --- a/drivers/soc/fsl/qbman/qman_ccsr.c > > +++ b/drivers/soc/fsl/qbman/qman_ccsr.c > > @@ -598,6 +598,7 @@ static int qman_init_ccsr(struct device *dev) > > #define LIO_CFG_LIODN_MASK 0x0fff0000 > > void qman_liodn_fixup(u16 channel) > > { > > +#ifdef CONFIG_PPC > > static int done; > > static u32 liodn_offset; > > u32 before, after; > > @@ -617,6 +618,7 @@ void qman_liodn_fixup(u16 channel) > > qm_ccsr_out(REG_REV3_QCSP_LIO_CFG(idx), after); > > else > > qm_ccsr_out(REG_QCSP_LIO_CFG(idx), after); > > +#endif > > According to the Linux coding style recommendation, it would be better > to put the #ifdef into the header files > "drivers/soc/fsl/qbman/qman_priv.h". And I'm not sure if this is > needed on PPC when IOMMU(PAMU) driver is not compiled, if not, > probably using CONFIG_PAMU as condition would be even better. Good point, will so in the next spin. --- Best Regards, Laurentiu > > } > > > > #define IO_CFG_SDEST_MASK 0x00ff0000 > > -- > > 2.17.1 > > 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=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 06B6FC43381 for ; Mon, 1 Apr 2019 10:21:37 +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 CB7C620850 for ; Mon, 1 Apr 2019 10:21:36 +0000 (UTC) Authentication-Results: mail.kernel.org; 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bh=ZHfEIkpP9pyQzdYgV2U830jdznSimbIU9TQ+sx6cs7M=; b=pEl6uOBbwyuKL3pjvzpxKv2objolqvb3uNFhI6+/b3O+9L/4xNwRD7UghEDnBRUWUNEb1mfxs8dGoAkHvaAD997UNiAGYvJKDHwWJ1mqkCfyR2WDYbQiT2srYYQ6dlq8CFj7EBa9Dxs9jgBlV1SMXdW661ykHHpCKkmqwBfHk8I= Received: from DB7PR04MB5132.eurprd04.prod.outlook.com (20.176.235.28) by DB7PR04MB4363.eurprd04.prod.outlook.com (52.135.131.158) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1750.20; Mon, 1 Apr 2019 10:21:23 +0000 Received: from DB7PR04MB5132.eurprd04.prod.outlook.com ([fe80::2cac:cc2f:6528:54f7]) by DB7PR04MB5132.eurprd04.prod.outlook.com ([fe80::2cac:cc2f:6528:54f7%5]) with mapi id 15.20.1750.021; Mon, 1 Apr 2019 10:21:23 +0000 From: Laurentiu Tudor To: Leo Li Subject: RE: [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets Thread-Topic: [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets Thread-Index: AQHU5je+a7OsmojLfkyVmXpChDagwKYjJmKAgAP2VdA= Date: Mon, 1 Apr 2019 10:21:22 +0000 Message-ID: References: <20190329140014.8126-1-laurentiu.tudor@nxp.com> <20190329140014.8126-2-laurentiu.tudor@nxp.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=laurentiu.tudor@nxp.com; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Leo, > -----Original Message----- > From: Li Yang [mailto:leoyang.li@nxp.com] > Sent: Friday, March 29, 2019 11:50 PM > To: Laurentiu Tudor > Cc: Netdev ; Madalin-cristian Bucur > ; Roy Pledge ; Camelia > Alexandra Groza ; David Miller > ; Linux IOMMU ; > moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE kernel@lists.infradead.org>; linuxppc-dev ; > lkml > Subject: Re: [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets > Importance: High > > On Fri, Mar 29, 2019 at 9:01 AM wrote: > > > > From: Laurentiu Tudor > > > > ARM SoCs use SMMU so the liodn fixup done in the qman driver is no > > longer making sense and it also breaks the ICID settings inherited > > from u-boot. Do the fixups only for PPC targets. > > > > Signed-off-by: Laurentiu Tudor > > --- > > drivers/soc/fsl/qbman/qman_ccsr.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c > b/drivers/soc/fsl/qbman/qman_ccsr.c > > index 109b38de3176..12e414ca3b03 100644 > > --- a/drivers/soc/fsl/qbman/qman_ccsr.c > > +++ b/drivers/soc/fsl/qbman/qman_ccsr.c > > @@ -598,6 +598,7 @@ static int qman_init_ccsr(struct device *dev) > > #define LIO_CFG_LIODN_MASK 0x0fff0000 > > void qman_liodn_fixup(u16 channel) > > { > > +#ifdef CONFIG_PPC > > static int done; > > static u32 liodn_offset; > > u32 before, after; > > @@ -617,6 +618,7 @@ void qman_liodn_fixup(u16 channel) > > qm_ccsr_out(REG_REV3_QCSP_LIO_CFG(idx), after); > > else > > qm_ccsr_out(REG_QCSP_LIO_CFG(idx), after); > > +#endif > > According to the Linux coding style recommendation, it would be better > to put the #ifdef into the header files > "drivers/soc/fsl/qbman/qman_priv.h". And I'm not sure if this is > needed on PPC when IOMMU(PAMU) driver is not compiled, if not, > probably using CONFIG_PAMU as condition would be even better. Good point, will so in the next spin. --- Best Regards, Laurentiu > > } > > > > #define IO_CFG_SDEST_MASK 0x00ff0000 > > -- > > 2.17.1 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel