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Wed, 30 Jan 2019 09:32:21 +0000 (UTC) Date: Wed, 30 Jan 2019 10:32:20 +0100 From: Miquel Raynal To: Liang Yang Subject: Re: [PATCH] mtd: rawnand: meson: Fix linking error on 32-bit platforms Message-ID: <20190130103220.27b13ab9@xps13> In-Reply-To: <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> References: <20190129214657.5877-1-natechancellor@gmail.com> <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190130_013230_386658_A88A1B2B X-CRM114-Status: GOOD ( 14.17 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris Brezillon , Richard Weinberger , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Kevin Hilman , linux-amlogic@lists.infradead.org, Nathan Chancellor , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; 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Wed, 30 Jan 2019 09:32:21 +0000 (UTC) Date: Wed, 30 Jan 2019 10:32:20 +0100 From: Miquel Raynal To: Liang Yang Subject: Re: [PATCH] mtd: rawnand: meson: Fix linking error on 32-bit platforms Message-ID: <20190130103220.27b13ab9@xps13> In-Reply-To: <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> References: <20190129214657.5877-1-natechancellor@gmail.com> <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190130_013230_386658_A88A1B2B X-CRM114-Status: GOOD ( 14.17 ) 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: Boris Brezillon , Richard Weinberger , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Kevin Hilman , linux-amlogic@lists.infradead.org, Nathan Chancellor , 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 SGkgTGlhbmcsIE5hdGhhbiwKCkxpYW5nIFlhbmcgPGxpYW5nLnlhbmdAYW1sb2dpYy5jb20+IHdy b3RlIG9uIFdlZCwgMzAgSmFuIDIwMTkgMTc6MjY6MzkKKzA4MDA6Cgo+IEhpIE5hdGhhbiwKPiAK PiBPbiAyMDE5LzEvMzAgNTo0NiwgTmF0aGFuIENoYW5jZWxsb3Igd3JvdGU6Cj4gPiBPbiBhcm0g bGl0dGxlIGVuZGlhbiBhbGx5ZXNjb25maWc6Cj4gPiAKPiA+ICAgIGxkLmxsZDogZXJyb3I6IHVu ZGVmaW5lZCBzeW1ib2w6IF9fYWVhYmlfdWxkaXZtb2QgIAo+ID4gICAgPj4+IHJlZmVyZW5jZWQg YnkgbWVzb25fbmFuZC5jCj4gPiAgICA+Pj4gbXRkL25hbmQvcmF3L21lc29uX25hbmQubzoobWVz b25fbmZjX3NldHVwX2RhdGFfaW50ZXJmYWNlKSBpbiBhcmNoaXZlIGRyaXZlcnMvYnVpbHQtaW4u YSAgCj4gPiAKPiA+IFRoZSBkaXZpZGVuZCB0QkVSU19tYXggaXMgdTY0LCBtZWFuaW5nIHdlIG5l ZWQgdG8gdXNlIERJVl9ST1VORF9VUF9VTEwKPiA+ICh3aGljaCB3cmFwcyBkb19kaXYpIHRvIHBy ZXZlbnQgdGhlIGNvbXBpbGVyIGZyb20gZW1pdHRpbmcKPiA+IF9fYWViaV91bGRpdm1vZC4KPiA+ IAo+ID4gRml4ZXM6IDJkNTcwYjM0YjQxYSAoIm10ZDogcmF3bmFuZDogbWVzb246IGFkZCBzdXBw b3J0IGZvciBBbWxvZ2ljIE5BTkQgZmxhc2ggY29udHJvbGxlciIpCj4gPiBTaWduZWQtb2ZmLWJ5 OiBOYXRoYW4gQ2hhbmNlbGxvciA8bmF0ZWNoYW5jZWxsb3JAZ21haWwuY29tPgo+ID4gLS0tCj4g PiAgIGRyaXZlcnMvbXRkL25hbmQvcmF3L21lc29uX25hbmQuYyB8IDQgKystLQo+ID4gICAxIGZp bGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+ID4gCj4gPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9tdGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jIGIvZHJpdmVycy9tdGQv bmFuZC9yYXcvbWVzb25fbmFuZC5jCj4gPiBpbmRleCBlODU4ZDU4ZDk3YjAuLjZmMTJhOTYxOTVk MSAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L21lc29uX25hbmQuYwo+ID4g KysrIGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jCj4gPiBAQCAtMTExNiw4ICsx MTE2LDggQEAgaW50IG1lc29uX25mY19zZXR1cF9kYXRhX2ludGVyZmFjZShzdHJ1Y3QgbmFuZF9j aGlwICpuYW5kLCBpbnQgY3NsaW5lLAo+ID4gICAJCQkJICAgICAgIGRpdiAqIE5GQ19DTEtfQ1lD TEUpOwo+ID4gICAJbWVzb25fY2hpcC0+dGFkbCA9IERJVl9ST1VORF9VUChQU0VDX1RPX05TRUMo dGltaW5ncy0+dEFETF9taW4pLAo+ID4gICAJCQkJCWRpdiAqIE5GQ19DTEtfQ1lDTEUpOwo+ID4g LQl0YmVyc19jbG9ja3MgPSBESVZfUk9VTkRfVVAoUFNFQ19UT19OU0VDKHRpbWluZ3MtPnRCRVJT X21heCksCj4gPiAtCQkJCSAgICBkaXYgKiBORkNfQ0xLX0NZQ0xFKTsKPiA+ICsJdGJlcnNfY2xv Y2tzID0gRElWX1JPVU5EX1VQX1VMTChQU0VDX1RPX05TRUModGltaW5ncy0+dEJFUlNfbWF4KSwK PiA+ICsJCQkJCWRpdiAqIE5GQ19DTEtfQ1lDTEUpOyAgCj4gCj4gTG9va3MgZ29vZCB0byBtZToK PiAKPiBBY2tlZC1ieTogTGlhbmcgWWFuZyA8bGlhbmcueWFuZ0BhbWxvZ2ljLmNvbT4KClRoaXMg aXMgbmFuZC9uZXh0IG1hdGVyaWFsLCBzbyBpZiB5b3UgZG9uJ3QgbWluZCBJIHdvdWxkIGxpa2Ug dG8gc3F1YXNoCnRoaXMgZml4IGludG8gdGhlIG9yaWdpbmFsIGNvbW1pdCBpbnNlcnRpbmcgdGhl IGRyaXZlci4KCgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK 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 09C77C282D7 for ; Wed, 30 Jan 2019 09:32:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D629E20882 for ; Wed, 30 Jan 2019 09:32:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730240AbfA3JcZ convert rfc822-to-8bit (ORCPT ); Wed, 30 Jan 2019 04:32:25 -0500 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:34909 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726427AbfA3JcY (ORCPT ); Wed, 30 Jan 2019 04:32:24 -0500 X-Originating-IP: 90.88.147.226 Received: from xps13 (aaubervilliers-681-1-27-226.w90-88.abo.wanadoo.fr [90.88.147.226]) (Authenticated sender: miquel.raynal@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id B2F1240018; Wed, 30 Jan 2019 09:32:21 +0000 (UTC) Date: Wed, 30 Jan 2019 10:32:20 +0100 From: Miquel Raynal To: Liang Yang Cc: Nathan Chancellor , Boris Brezillon , Richard Weinberger , Kevin Hilman , , , , Subject: Re: [PATCH] mtd: rawnand: meson: Fix linking error on 32-bit platforms Message-ID: <20190130103220.27b13ab9@xps13> In-Reply-To: <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> References: <20190129214657.5877-1-natechancellor@gmail.com> <42d2e92e-9f5a-62b2-c0af-b7f3544d79d2@amlogic.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Liang, Nathan, Liang Yang wrote on Wed, 30 Jan 2019 17:26:39 +0800: > Hi Nathan, > > On 2019/1/30 5:46, Nathan Chancellor wrote: > > On arm little endian allyesconfig: > > > > ld.lld: error: undefined symbol: __aeabi_uldivmod > > >>> referenced by meson_nand.c > > >>> mtd/nand/raw/meson_nand.o:(meson_nfc_setup_data_interface) in archive drivers/built-in.a > > > > The dividend tBERS_max is u64, meaning we need to use DIV_ROUND_UP_ULL > > (which wraps do_div) to prevent the compiler from emitting > > __aebi_uldivmod. > > > > Fixes: 2d570b34b41a ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") > > Signed-off-by: Nathan Chancellor > > --- > > drivers/mtd/nand/raw/meson_nand.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c > > index e858d58d97b0..6f12a96195d1 100644 > > --- a/drivers/mtd/nand/raw/meson_nand.c > > +++ b/drivers/mtd/nand/raw/meson_nand.c > > @@ -1116,8 +1116,8 @@ int meson_nfc_setup_data_interface(struct nand_chip *nand, int csline, > > div * NFC_CLK_CYCLE); > > meson_chip->tadl = DIV_ROUND_UP(PSEC_TO_NSEC(timings->tADL_min), > > div * NFC_CLK_CYCLE); > > - tbers_clocks = DIV_ROUND_UP(PSEC_TO_NSEC(timings->tBERS_max), > > - div * NFC_CLK_CYCLE); > > + tbers_clocks = DIV_ROUND_UP_ULL(PSEC_TO_NSEC(timings->tBERS_max), > > + div * NFC_CLK_CYCLE); > > Looks good to me: > > Acked-by: Liang Yang This is nand/next material, so if you don't mind I would like to squash this fix into the original commit inserting the driver. Thanks, Miquèl