From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Kurz <akurz@blala.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] mc13xxx: make driver-provided SPI frequency overridable
Date: Thu, 21 Jul 2016 08:18:31 +0200 [thread overview]
Message-ID: <20160721061831.GR20657@pengutronix.de> (raw)
In-Reply-To: <1468994248-12641-1-git-send-email-akurz@blala.de>
On Wed, Jul 20, 2016 at 07:57:28AM +0200, Alexander Kurz wrote:
> The preset SPI frequency for mc13xxx PMIC introduced with patch 6e18b3a48ee4
> ("mc13xxx: Define maximum SPI clock frequency global to driver") is not
> desirable or working on all boards. Provide a possibility to override
> the default SPI max_speed_hz from board code.
>
> Signed-off-by: Alexander Kurz <akurz@blala.de>
> ---
> drivers/mfd/mc13xxx.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Applied, thanks
Sascha
>
> diff --git a/drivers/mfd/mc13xxx.c b/drivers/mfd/mc13xxx.c
> index 68d70c5..b2fcd95 100644
> --- a/drivers/mfd/mc13xxx.c
> +++ b/drivers/mfd/mc13xxx.c
> @@ -330,7 +330,8 @@ static int __init mc13xxx_probe(struct device_d *dev)
> mc_dev->spi = dev->type_data;
> mc_dev->spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
> mc_dev->spi->bits_per_word = 32;
> - mc_dev->spi->max_speed_hz = 20000000;
> + mc_dev->spi->max_speed_hz = mc_dev->spi->max_speed_hz ?
> + mc_dev->spi->max_speed_hz : 20000000;
> mc_dev->map = regmap_init(dev, ®map_mc13xxx_spi_bus,
> mc_dev, &mc13xxx_regmap_spi_config);
> }
> --
> 2.1.4
>
>
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prev parent reply other threads:[~2016-07-21 6:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-20 5:57 Alexander Kurz
2016-07-21 6:18 ` Sascha Hauer [this message]
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