From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ddXKl-0001uM-98 for linux-mtd@lists.infradead.org; Fri, 04 Aug 2017 07:47:48 +0000 Date: Fri, 4 Aug 2017 09:47:25 +0200 From: Boris Brezillon To: Abhishek Sahu Cc: dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, richard@nod.at, cyrille.pitchen@wedev4u.fr, robh+dt@kernel.org, mark.rutland@arm.com, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, andy.gross@linaro.org, architt@codeaurora.org, sricharan@codeaurora.org Subject: Re: [PATCH v2 05/25] mtd: nand: qcom: remove redundant chip select compatible string Message-ID: <20170804094725.1034e5d9@bbrezillon> In-Reply-To: <1500464893-11352-6-git-send-email-absahu@codeaurora.org> References: <1500464893-11352-1-git-send-email-absahu@codeaurora.org> <1500464893-11352-6-git-send-email-absahu@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 19 Jul 2017 17:17:53 +0530 Abhishek Sahu wrote: > Currently the compatible =E2=80=9Cqcom,nandcs=E2=80=9D is being used for = each > connected NAND device to support for multiple NAND devices in the > same bus. The same thing can be achieved by looking reg property > for each sub nodes which contains the chip select number so this > patch removes the use of =E2=80=9Cqcom,nandcs=E2=80=9D for specifying NAN= D device > sub nodes. >=20 > Since there is no user for this driver currently in so > changing compatible string is safe. >=20 > Signed-off-by: Abhishek Sahu Applied to nand/next. Thanks, Boris > --- > drivers/mtd/nand/qcom_nandc.c | 26 ++++++++++++-------------- > 1 file changed, 12 insertions(+), 14 deletions(-) >=20 > diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c > index 8fa2f0c..110a26a 100644 > --- a/drivers/mtd/nand/qcom_nandc.c > +++ b/drivers/mtd/nand/qcom_nandc.c > @@ -2129,22 +2129,20 @@ static int qcom_nandc_probe(struct platform_devic= e *pdev) > goto err_setup; > =20 > for_each_available_child_of_node(dn, child) { > - if (of_device_is_compatible(child, "qcom,nandcs")) { > - host =3D devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); > - if (!host) { > - of_node_put(child); > - ret =3D -ENOMEM; > - goto err_cs_init; > - } > - > - ret =3D qcom_nand_host_init(nandc, host, child); > - if (ret) { > - devm_kfree(dev, host); > - continue; > - } > + host =3D devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); > + if (!host) { > + of_node_put(child); > + ret =3D -ENOMEM; > + goto err_cs_init; > + } > =20 > - list_add_tail(&host->node, &nandc->host_list); > + ret =3D qcom_nand_host_init(nandc, host, child); > + if (ret) { > + devm_kfree(dev, host); > + continue; > } > + > + list_add_tail(&host->node, &nandc->host_list); > } > =20 > if (list_empty(&nandc->host_list)) {