devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: <jiada_wang@mentor.com>
To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com,
	shawnguo@kernel.org, kernel@pengutronix.de,
	fabio.estevam@nxp.com
Cc: Jiada Wang <jiada_wang@mentor.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org
Subject: [PATCH RFC 2/5] spi: spidev: use different name for SPI controller slave mode device
Date: Thu, 13 Apr 2017 05:14:01 -0700	[thread overview]
Message-ID: <1492085644-4195-3-git-send-email-jiada_wang@mentor.com> (raw)
In-Reply-To: <1492085644-4195-1-git-send-email-jiada_wang@mentor.com>

From: Jiada Wang <jiada_wang@mentor.com>

SPI bus controller has started to support to work in slave mode,
for device SPI controller itself works in slave mode, use name
'spidev[bus]-slv' as its name to differentiate from other
SPI devices

Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
---
 drivers/spi/spidev.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 9e2e099..e2996fb 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -781,9 +781,18 @@ static int spidev_probe(struct spi_device *spi)
 		struct device *dev;
 
 		spidev->devt = MKDEV(SPIDEV_MAJOR, minor);
-		dev = device_create(spidev_class, &spi->dev, spidev->devt,
-				    spidev, "spidev%d.%d",
-				    spi->master->bus_num, spi->chip_select);
+		if (spi->slave_mode)
+			dev = device_create(spidev_class, &spi->dev,
+					    spidev->devt, spidev,
+					    "spidev%d-slv",
+					    spi->master->bus_num);
+		else
+			dev = device_create(spidev_class, &spi->dev,
+					    spidev->devt, spidev,
+					    "spidev%d.%d",
+					    spi->master->bus_num,
+					    spi->chip_select);
+
 		status = PTR_ERR_OR_ZERO(dev);
 	} else {
 		dev_dbg(&spi->dev, "no minor number available!\n");
-- 
2.7.4

  reply	other threads:[~2017-04-13 12:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-13 12:13 [PATCH RFC 0/5] *** SPI Slave mode support *** jiada_wang
2017-04-13 12:14 ` jiada_wang [this message]
2017-04-13 12:14 ` [PATCH RFC 3/5] spi: imx: add selection for iMX53 and iMX6 controller jiada_wang
2017-04-13 12:14 ` [PATCH RFC 4/5] ARM: dts: imx: change compatiblity for SPI controllers on imx53 later soc jiada_wang
2017-04-13 12:14 ` [PATCH RFC 5/5] spi: imx: Add support for SPI Slave mode for imx53 and imx6 chips jiada_wang
     [not found] ` <1492085644-4195-1-git-send-email-jiada_wang-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2017-04-13 12:14   ` [PATCH RFC 1/5] spi: core: add support to work in Slave mode jiada_wang-nmGgyN9QBj3QT0dZR+AlfA
2017-04-13 12:59   ` [PATCH RFC 0/5] *** SPI Slave mode support *** Mark Brown
     [not found]     ` <20170413125929.dygodgj6c35ydh5p-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2017-04-13 19:47       ` Geert Uytterhoeven
     [not found]         ` <CAMuHMdUm=90ddNWM5KWqT+W0hqZ-QO6vPHj5OisbYquDYq1ZmA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-14  5:39           ` Jiada Wang
     [not found]             ` <58F06092.9080409-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2017-04-24 10:55               ` Geert Uytterhoeven
2017-04-24 12:48                 ` Jiada Wang
2017-04-24 13:10                   ` Geert Uytterhoeven
     [not found]                     ` <CAMuHMdVQS494-BAc-W-XOOLK8Xow85n+Cgih0FG+t4QxCFxhMA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-25  7:56                       ` Jiada Wang
2017-04-25  8:07                         ` Uwe Kleine-König
2017-04-25  8:09                         ` Geert Uytterhoeven
2017-04-25 10:31                 ` Mark Brown
2017-04-27  6:43                   ` Jiada Wang
     [not found]                     ` <59019306.2050309-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2017-05-24 17:29                       ` Mark Brown
2017-05-29 12:01                     ` Fabio Estevam
     [not found]                       ` <CAOMZO5A-31iC5NrGePZCcgsNNwpvURq4LpztQai4GaWRrJXbmA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-30  2:53                         ` Jiada Wang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1492085644-4195-3-git-send-email-jiada_wang@mentor.com \
    --to=jiada_wang@mentor.com \
    --cc=broonie@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=fabio.estevam@nxp.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-spi@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=shawnguo@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).