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[80.116.90.174]) by smtp.gmail.com with ESMTPSA id cw12-20020a170906c78c00b006fec3b388edsm2249351ejb.95.2022.05.23.06.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 06:22:51 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Dario Binacchi , Michael Trimarchi , stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team , Sascha Hauer , Shawn Guo , Vinod Koul , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2] dmaengine: mxs: fix driver registering Date: Mon, 23 May 2022 15:22:47 +0200 Message-Id: <20220523132247.1429321-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Driver registration fails on SOC imx8mn as its supplier, the clock control module, is not ready. Since platform_driver_probe(), as reported by its description, is incompatible with deferred probing, we have to use platform_driver_register(). Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28") Co-developed-by: Michael Trimarchi Signed-off-by: Michael Trimarchi Signed-off-by: Dario Binacchi Cc: stable@vger.kernel.org --- Changes in v2: - Add the tag "Cc: stable@vger.kernel.org" in the sign-off area. drivers/dma/mxs-dma.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 994fc4d2aca4..b8a3e692330d 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_cha= n *chan, return mxs_chan->status; } =20 -static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) +static int mxs_dma_init(struct mxs_dma_engine *mxs_dma) { int ret; =20 @@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle= _args *dma_spec, ofdma->of_node); } =20 -static int __init mxs_dma_probe(struct platform_device *pdev) +static int mxs_dma_probe(struct platform_device *pdev) { struct device_node *np =3D pdev->dev.of_node; const struct mxs_dma_type *dma_type; @@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver =3D { .name =3D "mxs-dma", .of_match_table =3D mxs_dma_dt_ids, }, + .probe =3D mxs_dma_probe, }; =20 -static int __init mxs_dma_module_init(void) -{ - return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe); -} -subsys_initcall(mxs_dma_module_init); +module_platform_driver(mxs_dma_driver); --=20 2.32.0