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Fri, 18 Sep 2026 13:37:29 +0200 (CEST) From: Andy Shevchenko To: Frank Li , Vinod Koul , Mark Brown , Shengjiu Wang , bui duc phuc , Andy Shevchenko , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-sound@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Cc: Dave Penkler , Greg Kroah-Hartman , Frank Li , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lars-Peter Clausen , Orson Zhai , Baolin Wang , Chunyan Zhang , Olivier Moysan , Arnaud Pouliquen , Maxime Coquelin , Alexandre Torgue Subject: [PATCH v2 6/7] gpib: fmh_gpib: Replace dma_request_slave_channel() by dma_request_chan() Date: Fri, 18 Sep 2026 13:34:10 +0200 Message-ID: <20260918113727.1898998-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260918113727.1898998-1-andriy.shevchenko@linux.intel.com> References: <20260918113727.1898998-1-andriy.shevchenko@linux.intel.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace dma_request_slave_channel() by dma_request_chan() as suggested since the former is deprecated. With this, propagate all possible errors to the caller. Reviewed-by: Dave Penkler Signed-off-by: Andy Shevchenko --- drivers/gpib/fmh_gpib/fmh_gpib.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpib/fmh_gpib/fmh_gpib.c b/drivers/gpib/fmh_gpib/fmh_gpib.c index 5e10e9353fed..4ab9b0a317fd 100644 --- a/drivers/gpib/fmh_gpib/fmh_gpib.c +++ b/drivers/gpib/fmh_gpib/fmh_gpib.c @@ -1458,11 +1458,15 @@ static int fmh_gpib_attach_impl(struct gpib_board *board, const struct gpib_boar e_priv->irq = irq; if (acquire_dma) { - e_priv->dma_channel = dma_request_slave_channel(board->dev, "rxtx"); - if (!e_priv->dma_channel) { + struct dma_chan *tmp_chan; + + tmp_chan = dma_request_chan(board->dev, "rxtx"); + retval = PTR_ERR_OR_ZERO(tmp_chan); + if (retval) { dev_err(board->dev, "failed to acquire dma channel \"rxtx\".\n"); - return -EIO; + return retval; } + e_priv->dma_channel = tmp_chan; } /* * in the future we might want to know the half-fifo size -- 2.50.1