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[139.181.32.34]) by mx.google.com with ESMTPSA id w8sm14948932wja.4.2015.03.30.02.41.55 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 30 Mar 2015 02:41:56 -0700 (PDT) From: Dmitry Eremin-Solenikov To: Vinod Koul , Dan Williams , Russell King Subject: [PATCH] dmaengine: sa11x0: fix boot-time warning Date: Mon, 30 Mar 2015 12:41:50 +0300 Message-Id: <1427708510-17370-1-git-send-email-dbaryshkov@gmail.com> X-Mailer: git-send-email 2.1.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150330_024220_662382_A86FC40F X-CRM114-Status: GOOD ( 10.50 ) X-Spam-Score: -0.8 (/) Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fix the following warning by initializing directions field in the dma_device structure. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:863 dma_async_device_register+0x2b4/0x4f0() this driver doesn't support generic slave capabilities reporting Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 4.0.0-rc5+ #10 Hardware name: Sharp-Collie [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (warn_slowpath_common+0x74/0xac) [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [] (warn_slowpath_fmt) from [] (dma_async_device_register+0x2b4/0x4f0) [] (dma_async_device_register) from [] (sa11x0_dma_probe+0x21c/0x358) [] (sa11x0_dma_probe) from [] (platform_drv_probe+0x30/0x94) [] (platform_drv_probe) from [] (driver_probe_device+0x84/0x234) [] (driver_probe_device) from [] (__driver_attach+0x98/0x9c) [] (__driver_attach) from [] (bus_for_each_dev+0x74/0xa4) [] (bus_for_each_dev) from [] (bus_add_driver+0x13c/0x1e8) [] (bus_add_driver) from [] (driver_register+0x78/0xf8) [] (driver_register) from [] (do_one_initcall+0x84/0x1f4) [] (do_one_initcall) from [] (kernel_init_freeable+0xf8/0x1b4) [] (kernel_init_freeable) from [] (kernel_init+0x8/0xf0) [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) ---[ end trace e188b8fe0e782e75 ]--- Signed-off-by: Dmitry Eremin-Solenikov --- drivers/dma/sa11x0-dma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 5adf540..bb7ddd6 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -948,6 +948,7 @@ static int sa11x0_dma_probe(struct platform_device *pdev) dma_cap_set(DMA_CYCLIC, d->slave.cap_mask); d->slave.device_prep_slave_sg = sa11x0_dma_prep_slave_sg; d->slave.device_prep_dma_cyclic = sa11x0_dma_prep_dma_cyclic; + d->slave.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); ret = sa11x0_dma_init_dmadev(&d->slave, &pdev->dev); if (ret) { dev_warn(d->slave.dev, "failed to register slave async device: %d\n",