From 25985edcedea6396277003854657b5f3cb31a628 Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Wed, 30 Mar 2011 22:57:33 -0300 Subject: Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi --- drivers/spi/pxa2xx_spi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/spi/pxa2xx_spi.c') diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index a429b01d0285..9c74aad6be93 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -700,7 +700,7 @@ static void int_transfer_complete(struct driver_data *drv_data) if (!pxa25x_ssp_comp(drv_data)) write_SSTO(0, reg); - /* Update total byte transfered return count actual bytes read */ + /* Update total byte transferred return count actual bytes read */ drv_data->cur_msg->actual_length += drv_data->len - (drv_data->rx_end - drv_data->rx); @@ -759,7 +759,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data) /* * PXA25x_SSP has no timeout, set up rx threshould for the - * remaing RX bytes. + * remaining RX bytes. */ if (pxa25x_ssp_comp(drv_data)) { -- cgit v1.2.3 From 850a28ecd8044ef36b2c7699d2e3736a410b4d0a Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Wed, 6 Apr 2011 17:49:15 +0300 Subject: spi: Fix race condition in stop_queue() There's a race condition in stop_queue() in some drivers - if drv_data->queue is empty, but drv_data->busy is still set (or opposite situation) stop_queue will return -EBUSY. So fix loop condition to check that both drv_data->queue is empty and drv_data->busy is not set. This patch affects following drivers: pxa2xx_spi spi_bfin5xx amba-pl022 dw_spi Signed-off-by: Vasily Khoruzhick Acked-by: Eric Miao Acked-by: Mike Frysinger Signed-off-by: Grant Likely --- drivers/spi/pxa2xx_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/spi/pxa2xx_spi.c') diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index a429b01d0285..3aa782067b68 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -1493,7 +1493,7 @@ static int stop_queue(struct driver_data *drv_data) * execution path (pump_messages) would be required to call wake_up or * friends on every SPI message. Do this instead */ drv_data->run = QUEUE_STOPPED; - while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) { + while ((!list_empty(&drv_data->queue) || drv_data->busy) && limit--) { spin_unlock_irqrestore(&drv_data->lock, flags); msleep(10); spin_lock_irqsave(&drv_data->lock, flags); -- cgit v1.2.3