lkml.org 
[lkml]   [2013]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/8] spi: spi-ep93xx: always handle transfer specific settings
On 29/06/13 04:43, H Hartley Sweeten wrote:

> __spi_async(), which starts every SPI message transfer, initializes
> the bits_per_word and max speed for every transfer in the message.
> Since the conditional test in ep93xx_spi_process_transfer() will
> always succeed just remove it and always call ep93xx_spi_chip_setup()
> to configure the hardware for each transfer in the message.
>
> Remove the redundant ep93xx_spi_chp_setup() in ep93xx_spi_process_transfer()
> which just initializes the hardware to the "default" based on the SPI
> device.
>
> Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
> Cc: Ryan Mallon <rmallon@gmail.com>
> Cc: Mika Westerberg <mika.westerberg@iki.fi>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Grant Likely <grant.likely@linaro.org>
> ---


> + err = ep93xx_spi_calc_divisors(espi, chip, t->speed_hz);
> + if (err) {
> + dev_err(&espi->pdev->dev, "failed to adjust speed\n");


Printing out the speed it was trying to set might be useful here?

~Ryan


\
 
 \ /
  Last update: 2013-06-29 01:41    [W:0.124 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site