linux-kernel - [PATCH 2/2] spi: mediatek: move devm_spi_register

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Date:   Tue, 13 Jul 2021 19:42:48 +0800
From:   Mason Zhang <mason.zhang@...iatek.com>
To:     Mark Brown <broonie@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <linux-spi@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <leilk.liu@...iatek.com>,
        <wsd_upstream@...iatek.com>, Mason Zhang <Mason.Zhang@...iatek.com>
Subject: [PATCH 2/2] spi: mediatek: move devm_spi_register_master position

From: Mason Zhang <Mason.Zhang@...iatek.com>

This patch move devm_spi_register_master to the end of mtk_spi_probe.
If slaves call spi_sync in there probe function, master should have probe done.

Signed-off-by: Mason Zhang <Mason.Zhang@...iatek.com>
---
 drivers/spi/spi-mt65xx.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index b34fbc913fd6..6f2925118b98 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -820,12 +820,6 @@ static int mtk_spi_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(&pdev->dev);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register master (%d)\n", ret);
-		goto err_disable_runtime_pm;
-	}
-
 	if (mdata->dev_comp->need_pad_sel) {
 		if (mdata->pad_num != master->num_chipselect) {
 			dev_err(&pdev->dev,
@@ -865,6 +859,12 @@ static int mtk_spi_probe(struct platform_device *pdev)
 		dev_notice(&pdev->dev, "SPI dma_set_mask(%d) failed, ret:%d\n",
 			   addr_bits, ret);
 
+	ret = devm_spi_register_master(&pdev->dev, master);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to register master (%d)\n", ret);
+		goto err_disable_runtime_pm;
+	}
+
 	return 0;
 
 err_disable_runtime_pm:
-- 
2.18.0