From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from vs81.iboxed.net ([185.82.85.146]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bPkXv-0005kh-AT for barebox@lists.infradead.org; Wed, 20 Jul 2016 05:59:53 +0000 From: Alexander Kurz Date: Wed, 20 Jul 2016 07:57:28 +0200 Message-Id: <1468994248-12641-1-git-send-email-akurz@blala.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] mc13xxx: make driver-provided SPI frequency overridable To: barebox@lists.infradead.org Cc: Alexander Kurz 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 --- drivers/mfd/mc13xxx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox