From: Sascha Hauer Date: Wed, 24 Feb 2016 08:20:30 +0000 (+0100) Subject: spi: imx: remove unnecessary bit clearing in mx51_ecspi_config X-Git-Tag: next-20160301~41^2~4^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c34de7168cd201ab757b11bfc7899953948d7753;p=karo-tx-linux.git spi: imx: remove unnecessary bit clearing in mx51_ecspi_config This reverts patch 1476253cef (spi: imx: fix ecspi mode setup) The patch tried to fix something by clearing bits in the cfg variable, but cfg is initialized to zero on function entry. There are no bits to clear. Signed-off-by: Sascha Hauer Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 15b23f0b83e8..287ec0cb6992 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -366,20 +366,13 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, if (config->mode & SPI_CPHA) cfg |= MX51_ECSPI_CONFIG_SCLKPHA(config->cs); - else - cfg &= ~MX51_ECSPI_CONFIG_SCLKPHA(config->cs); if (config->mode & SPI_CPOL) { cfg |= MX51_ECSPI_CONFIG_SCLKPOL(config->cs); cfg |= MX51_ECSPI_CONFIG_SCLKCTL(config->cs); - } else { - cfg &= ~MX51_ECSPI_CONFIG_SCLKPOL(config->cs); - cfg &= ~MX51_ECSPI_CONFIG_SCLKCTL(config->cs); } if (config->mode & SPI_CS_HIGH) cfg |= MX51_ECSPI_CONFIG_SSBPOL(config->cs); - else - cfg &= ~MX51_ECSPI_CONFIG_SSBPOL(config->cs); /* CTRL register always go first to bring out controller from reset */ writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);