linux-kernel - [PATCH 11/11] spi: tegra20: Simplify with dev_err

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Message-Id: <20200901152713.18629-11-krzk@kernel.org>
Date:   Tue,  1 Sep 2020 17:27:13 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Masahisa Kojima <masahisa.kojima@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-tegra@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 11/11] spi: tegra20: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/spi/spi-tegra20-slink.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index a07b72e9c344..a0810765d4e5 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -600,13 +600,9 @@ static int tegra_slink_init_dma_param(struct tegra_slink_data *tspi,
 	struct dma_slave_config dma_sconfig;
 
 	dma_chan = dma_request_chan(tspi->dev, dma_to_memory ? "rx" : "tx");
-	if (IS_ERR(dma_chan)) {
-		ret = PTR_ERR(dma_chan);
-		if (ret != -EPROBE_DEFER)
-			dev_err(tspi->dev,
-				"Dma channel is not available: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(dma_chan))
+		return dev_err_probe(tspi->dev, PTR_ERR(dma_chan),
+				     "Dma channel is not available\n");
 
 	dma_buf = dma_alloc_coherent(tspi->dev, tspi->dma_buf_size,
 				&dma_phys, GFP_KERNEL);
-- 
2.17.1