From c5e5cd28d7c5a18d6da6575957dd0c5243ac3e7b Mon Sep 17 00:00:00 2001 From: Leilk Liu Date: Wed, 19 Aug 2015 11:37:57 +0800 Subject: [PATCH] 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 Signed-off-by: Mark Brown --- drivers/spi/spi-mt65xx.c | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 62baaad244af..546d70cc1e21 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -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; -- 2.20.1