spi: mediatek: remove redundant clock in prepare_hardware/unprepare_hardware
clock in prepare_hardware/unprepare_hardware is redundant with pm_runtime, so remove them. Signed-off-by: Leilk Liu <leilk.liu@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -186,13 +186,6 @@ static int mtk_spi_prepare_hardware(struct spi_master *master)
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struct spi_transfer *trans;
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struct mtk_spi *mdata = spi_master_get_devdata(master);
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struct spi_message *msg = master->cur_msg;
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int ret;
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ret = clk_prepare_enable(mdata->spi_clk);
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if (ret < 0) {
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dev_err(&master->dev, "failed to enable clock (%d)\n", ret);
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return ret;
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}
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trans = list_first_entry(&msg->transfers, struct spi_transfer,
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transfer_list);
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@ -201,15 +194,6 @@ static int mtk_spi_prepare_hardware(struct spi_master *master)
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mtk_spi_reset(mdata);
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}
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return ret;
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}
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static int mtk_spi_unprepare_hardware(struct spi_master *master)
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{
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struct mtk_spi *mdata = spi_master_get_devdata(master);
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clk_disable_unprepare(mdata->spi_clk);
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return 0;
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}
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@ -541,7 +525,6 @@ static int mtk_spi_probe(struct platform_device *pdev)
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master->set_cs = mtk_spi_set_cs;
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master->prepare_transfer_hardware = mtk_spi_prepare_hardware;
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master->unprepare_transfer_hardware = mtk_spi_unprepare_hardware;
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master->prepare_message = mtk_spi_prepare_message;
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master->transfer_one = mtk_spi_transfer_one;
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master->can_dma = mtk_spi_can_dma;
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