lkml.org 
[lkml]   [2020]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
SubjectRE: [PATCH] spi: spi-cadence: add support for chip select high
Date
Were you able to patch my driver successfully?

-----Original Message-----
From: Shreyas Joshi <shreyas.joshi@biamp.com>
Sent: Saturday, 11 July 2020 7:17 AM
To: broonie@kernel.org; linux-spi@vger.kernel.org; shreyasjoshi15@gmail.com
Cc: linux-kernel@vger.kernel.org; Shreyas Joshi <Shreyas.Joshi@biamp.com>
Subject: [PATCH] spi: spi-cadence: add support for chip select high

The spi cadence driver should support spi-cs-high in mode bits so that the peripherals that needs the chip select to be high active can use it. Add the SPI-CS-HIGH flag in the supported mode bits.

Signed-off-by: Shreyas Joshi <shreyas.joshi@biamp.com>
---
drivers/spi/spi-cadence.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 82a0ee09cbe1..2b6b9c1ad9d0 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -556,7 +556,7 @@ static int cdns_spi_probe(struct platform_device *pdev)
master->unprepare_transfer_hardware = cdns_unprepare_transfer_hardware;
master->set_cs = cdns_spi_chipselect;
master->auto_runtime_pm = true;
- master->mode_bits = SPI_CPOL | SPI_CPHA;
+ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;

/* Set to default valid value */
master->max_speed_hz = clk_get_rate(xspi->ref_clk) / 4;
--
2.20.1
\
 
 \ /
  Last update: 2020-07-20 05:56    [W:0.128 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site