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 4.87 #1 (Red Hat Linux)) id 1ePPLw-0003mm-Mz for barebox@lists.infradead.org; Thu, 14 Dec 2017 08:58:55 +0000 From: Alexander Kurz Date: Thu, 14 Dec 2017 09:55:54 +0100 Message-Id: <1513241754-1754-1-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] spi: imx: make xchg_single timeout value compatible for older boards To: barebox@lists.infradead.org Cc: Alexander Kurz , Uwe Kleine-Koenig A call of xchg_single will issue the transfer of 24 data bits with a given maximum frequency. Since there exist some i.MX based boards with spi-max-frequency = <100000>, change the xchg_single timeout to still support those boards. Fixes: 1439cdf7c6fc ("spi: imx: add timeout to xchg_single") Signed-off-by: Alexander Kurz --- drivers/spi/imx_spi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c index 7819879..0827de7 100644 --- a/drivers/spi/imx_spi.c +++ b/drivers/spi/imx_spi.c @@ -32,8 +32,11 @@ #include #include -/* time to wait for STAT_RR getting set */ -#define IMX_SPI_RR_TIMEOUT 10000 /* ns */ +/* + * time to wait for STAT_RR getting set, should allow the transfer + * of 24 bits at spi-max-frequency of 100kHz + */ +#define IMX_SPI_RR_TIMEOUT 250000 /* ns */ struct imx_spi { struct spi_master master; -- 2.1.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox