From: Qipan Li Date: Mon, 14 Apr 2014 06:29:57 +0000 (+0800) Subject: spi: sirf: correct TXFIFO empty interrupt status bit X-Git-Tag: v3.15-rc3~18^2^5~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=818e91625aa17161cd6b39a4d08b77c984f0f485;p=thirdparty%2Flinux.git spi: sirf: correct TXFIFO empty interrupt status bit the old code uses wrong marco - SIRFSOC_SPI_FIFO_FULL is not for FIFO interrupt status, it is for FIFO status. here in the ISR, SIRFSOC_SPI_TXFIFO_EMPTY is the right bit for SPI TXFIFO interrupt status. Signed-off-by: Qipan Li Signed-off-by: Barry Song Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c index 1a77ad52812fd..51d7c988d3aec 100644 --- a/drivers/spi/spi-sirf.c +++ b/drivers/spi/spi-sirf.c @@ -287,8 +287,8 @@ static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id) sspi->left_rx_word) sspi->rx_word(sspi); - if (spi_stat & (SIRFSOC_SPI_FIFO_EMPTY - | SIRFSOC_SPI_TXFIFO_THD_REACH)) + if (spi_stat & (SIRFSOC_SPI_TXFIFO_EMPTY | + SIRFSOC_SPI_TXFIFO_THD_REACH)) while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS) & SIRFSOC_SPI_FIFO_FULL)) && sspi->left_tx_word)