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Commit c5e5cd28 authored by Leilk Liu's avatar Leilk Liu Committed by Mark Brown
Browse files

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: default avatarLeilk Liu <leilk.liu@mediatek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 39ba928f

drivers/spi/spi-mt65xx.c

+0 −17
Original line number Diff line number Diff line
@@ -186,13 +186,6 @@ static int mtk_spi_prepare_hardware(struct spi_master *master) 
	struct spi_transfer *trans;

	struct mtk_spi *mdata = spi_master_get_devdata(master);

	struct spi_message *msg = master->cur_msg;

	int ret;



	ret = clk_prepare_enable(mdata->spi_clk);

	if (ret < 0) {

		dev_err(&master->dev, "failed to enable clock (%d)\n", ret);

		return ret;

	}



	trans = list_first_entry(&msg->transfers, struct spi_transfer,

				 transfer_list);
@@ -201,15 +194,6 @@ static int mtk_spi_prepare_hardware(struct spi_master *master) 
		mtk_spi_reset(mdata);

	}



	return ret;

}



static int mtk_spi_unprepare_hardware(struct spi_master *master)

{

	struct mtk_spi *mdata = spi_master_get_devdata(master);



	clk_disable_unprepare(mdata->spi_clk);



	return 0;

}
@@ -541,7 +525,6 @@ static int mtk_spi_probe(struct platform_device *pdev) 


	master->set_cs = mtk_spi_set_cs;

	master->prepare_transfer_hardware = mtk_spi_prepare_hardware;

	master->unprepare_transfer_hardware = mtk_spi_unprepare_hardware;

	master->prepare_message = mtk_spi_prepare_message;

	master->transfer_one = mtk_spi_transfer_one;

	master->can_dma = mtk_spi_can_dma;