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spmi: regmap: enable userspace writes

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Being able to write to spmi registers via userspace is required
for quick debug and development. Enable it.

The regmap framework uses dev_name to create debugfs dir names.
So update the spmi devices to have proper names.

Change-Id: I8a5da203b212df9a7f1410e3fcf6ee7b429856b6
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
This commit is contained in:
Abhijeet Dharmapurikar 2016-01-19 15:53:31 -08:00 • committed by David Collins
commit 891c257dd5
2 changed files with 3 additions and 3 deletions
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2
drivers/base/regmap/regmap-debugfs.c
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@ -288,7 +288,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
count, ppos);
}
#undef REGMAP_ALLOW_WRITE_DEBUGFS
#define REGMAP_ALLOW_WRITE_DEBUGFS
#ifdef REGMAP_ALLOW_WRITE_DEBUGFS
/*
* This can be dangerous especially when we have clients such as

4
drivers/spmi/spmi.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
@ -62,7 +62,7 @@ int spmi_device_add(struct spmi_device *sdev)
struct spmi_controller *ctrl = sdev->ctrl;
int err;
dev_set_name(&sdev->dev, "%d-%02x", ctrl->nr, sdev->usid);
dev_set_name(&sdev->dev, "spmi%d-%02x", ctrl->nr, sdev->usid);
err = device_add(&sdev->dev);
if (err < 0) {