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 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 0457CC10F11 for ; Wed, 10 Apr 2019 12:20:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CFD7E2083E for ; Wed, 10 Apr 2019 12:20:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731712AbfDJMUh (ORCPT ); Wed, 10 Apr 2019 08:20:37 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:42298 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727497AbfDJMUh (ORCPT ); Wed, 10 Apr 2019 08:20:37 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id CB177365FD8213AFB144; Wed, 10 Apr 2019 20:20:34 +0800 (CST) Received: from [127.0.0.1] (10.177.31.96) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.408.0; Wed, 10 Apr 2019 20:20:33 +0800 Subject: Re: [PATCH v2] spi: spi-mem: Fix build error without CONFIG_SPI_MEM To: , References: <20190408143949.10688-1-yuehaibing@huawei.com> <20190410121341.17560-1-yuehaibing@huawei.com> CC: , , From: YueHaibing Message-ID: <31c64408-a290-4135-ec33-0401133dbfef@huawei.com> Date: Wed, 10 Apr 2019 20:20:32 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <20190410121341.17560-1-yuehaibing@huawei.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Well, Naga Sureshkumar Relli has post new patch based this, Pls ignore this. On 2019/4/10 20:13, Yue Haibing wrote: > From: YueHaibing > > When building with CONFIG_SPI_MEM is not set > gc warns this: > > drivers/spi/spi-zynq-qspi.o: In function `zynq_qspi_supports_op': > spi-zynq-qspi.c:(.text+0x1da): undefined reference to `spi_mem_default_supports_op' > > Fixes: 67dca5e580f1 ("spi: spi-mem: Add support for Zynq QSPI controller") > Signed-off-by: YueHaibing > --- > v2: make stub helper static inline > --- > include/linux/spi/spi-mem.h | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h > index c845cd6..3d57db8 100644 > --- a/include/linux/spi/spi-mem.h > +++ b/include/linux/spi/spi-mem.h > @@ -295,6 +295,10 @@ int spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr, > void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr, > const struct spi_mem_op *op, > struct sg_table *sg); > + > +bool spi_mem_default_supports_op(struct spi_mem *mem, > + const struct spi_mem_op *op); > + > #else > static inline int > spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr, > @@ -310,6 +314,14 @@ spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr, > struct sg_table *sg) > { > } > + > +static inline bool > +spi_mem_default_supports_op(struct spi_mem *mem, > + const struct spi_mem_op *op) > +{ > + return false; > +} > + > #endif /* CONFIG_SPI_MEM */ > > int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op); > @@ -341,9 +353,6 @@ int spi_mem_driver_register_with_owner(struct spi_mem_driver *drv, > > void spi_mem_driver_unregister(struct spi_mem_driver *drv); > > -bool spi_mem_default_supports_op(struct spi_mem *mem, > - const struct spi_mem_op *op); > - > #define spi_mem_driver_register(__drv) \ > spi_mem_driver_register_with_owner(__drv, THIS_MODULE) > >