From 87248dc79236575908568810a61e0953f738516f Mon Sep 17 00:00:00 2001 From: Michele Dionisio Date: Tue, 12 Dec 2017 11:36:59 +0100 Subject: [PATCH] spi: davinci: Initialize dspi->done before any possible use of it On SOC with multiple cpu (like omal l138) it is possible that spi periferic is already initialized when this module is loaded and so it is possible to recieve interrupt when the modules is not fully initialized. this patch initialize dspi->done before refister the interrupt handler that use it Signed-off-by: Michele Dionisio Signed-off-by: Mark Brown --- drivers/spi/spi-davinci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 6ddb6ef..60d59b0 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -945,6 +945,8 @@ static int davinci_spi_probe(struct platform_device *pdev) goto free_master; } + init_completion(&dspi->done); + ret = platform_get_irq(pdev, 0); if (ret == 0) ret = -EINVAL; @@ -1021,8 +1023,6 @@ static int davinci_spi_probe(struct platform_device *pdev) dspi->get_rx = davinci_spi_rx_buf_u8; dspi->get_tx = davinci_spi_tx_buf_u8; - init_completion(&dspi->done); - /* Reset In/OUT SPI module */ iowrite32(0, dspi->base + SPIGCR0); udelay(100); -- 2.7.4