From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christopher Bostic Subject: [PATCH v3 08/18] drivers/fsi: Kick off master scan via sysfs Date: Wed, 1 Feb 2017 10:53:48 -0600 Message-ID: <20170201165358.45415-9-cbostic@linux.vnet.ibm.com> References: <20170201165358.45415-1-cbostic@linux.vnet.ibm.com> Return-path: In-Reply-To: <20170201165358.45415-1-cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, andrew-zrmu5oMJ5Fs@public.gmane.org, alistair-Y4h6yKqj69EXC2x5gXVKYQ@public.gmane.org, benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org Cc: Chris Bostic List-Id: devicetree@vger.kernel.org From: Chris Bostic Move master scan from automatic kick off early in kernel power up to a scan file that can be invoked at any particular time based on needs of a given platform. Signed-off-by: Chris Bostic --- drivers/fsi/fsi-core.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 3160c1c..5f9f7a9 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -53,8 +53,19 @@ static int fsi_master_scan(struct fsi_master *master) fsi_slave_init(master, link, slave_id); return 0; +} + +static ssize_t store_scan(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct fsi_master *master = dev_get_drvdata(dev); + fsi_master_scan(master); + return count; } +static DEVICE_ATTR(scan, 0200, NULL, store_scan); int fsi_master_register(struct fsi_master *master) { @@ -63,8 +74,8 @@ int fsi_master_register(struct fsi_master *master) master->idx = ida_simple_get(&master_ida, 0, 0, GFP_KERNEL); get_device(master->dev); - fsi_master_scan(master); - return 0; + dev_set_drvdata(master->dev, master); + return device_create_file(master->dev, &dev_attr_scan); } EXPORT_SYMBOL_GPL(fsi_master_register); -- 1.8.2.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html