* [PATCH] spi: omap-uwire: Remove full duplex check
@ 2014-03-26 11:22 Axel Lin
2014-03-26 16:41 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-03-26 11:22 UTC (permalink / raw)
To: Mark Brown; +Cc: Imre Deak, Tony Lindgren, linux-spi-u79uwXL29TY76Z2rM5mHXA
This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check
transfers to ensure they are not full duplex.
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi-omap-uwire.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index 95cc694..f5176bb 100644
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -218,10 +218,6 @@ static int uwire_txrx(struct spi_device *spi, struct spi_transfer *t)
if (!t->tx_buf && !t->rx_buf)
return 0;
- /* Microwire doesn't read and write concurrently */
- if (t->tx_buf && t->rx_buf)
- return -EPERM;
-
w = spi->chip_select << 10;
w |= CS_CMD;
--
1.8.3.2
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] spi: omap-uwire: Remove full duplex check
2014-03-26 11:22 [PATCH] spi: omap-uwire: Remove full duplex check Axel Lin
@ 2014-03-26 16:41 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2014-03-26 16:41 UTC (permalink / raw)
To: Axel Lin; +Cc: Imre Deak, Tony Lindgren, linux-spi-u79uwXL29TY76Z2rM5mHXA
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On Wed, Mar 26, 2014 at 07:22:08PM +0800, Axel Lin wrote:
> This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check
> transfers to ensure they are not full duplex.
Applied, thanks.
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