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- From f57ff801665b868d8607c9e872466b54982564bc Mon Sep 17 00:00:00 2001
- From: Matthew McClintock <mmcclint@codeaurora.org>
- Date: Thu, 10 Mar 2016 16:48:27 -0600
- Subject: [PATCH] spi: qup: don't re-read opflags to see if transaction is done
- for reads
- For reads, we will get another interrupt so we need to handle things
- then. For writes, we can finish up now.
- Change-Id: I4fa95ae7bb9d78f8ba54c613b981b37d4ea81d7e
- Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
- ---
- drivers/spi/spi-qup.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
- --- a/drivers/spi/spi-qup.c
- +++ b/drivers/spi/spi-qup.c
- @@ -569,7 +569,8 @@ static irqreturn_t spi_qup_qup_irq(int i
- }
-
- /* re-read opflags as flags may have changed due to actions above */
- - opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
- + if (opflags & QUP_OP_OUT_SERVICE_FLAG)
- + opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
-
- if ((controller->rx_bytes == xfer->len &&
- (opflags & QUP_OP_MAX_INPUT_DONE_FLAG)) || error)
|
