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Commit 84e288d4 authored by Vivien Didelot's avatar Vivien Didelot Committed by Ingo Molnar
Browse files

x86/platform/ts5500: Add a 'name' sysfs attribute 



Add a new "name" attribute to the TS5500 sysfs group, to clarify
which supported board model it is.

Signed-off-by: default avatarVivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Savoir-faire Linux Inc. <kernel@savoirfairelinux.com>
Link: http://lkml.kernel.org/r/1404860269-11837-3-git-send-email-vivien.didelot@savoirfairelinux.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 1d240875

Documentation/ABI/testing/sysfs-platform-ts5500

+7 −0
Original line number Diff line number Diff line
@@ -30,6 +30,13 @@ Description: 
		the corresponding bit is set. For instance, 0x0e means jumpers

		2, 3 and 4 are set.



What:		/sys/devices/platform/ts5500/name

Date:		July 2014

KernelVersion:	3.16

Contact:	"Savoir-faire Linux Inc." <kernel@savoirfairelinux.com>

Description:

		Model name of the TS board, e.g. "TS-5500".



What:		/sys/devices/platform/ts5500/rs485

Date:		January 2013

KernelVersion:	3.7

arch/x86/platform/ts5500/ts5500.c

+18 −5
Original line number Diff line number Diff line 
/*

 * Technologic Systems TS-5500 Single Board Computer support

 *

 * Copyright (C) 2013 Savoir-faire Linux Inc.

 * Copyright (C) 2013-2014 Savoir-faire Linux Inc.

 *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>

 *

 * This program is free software; you can redistribute it and/or modify it under
@@ -66,6 +66,7 @@ 


/**

 * struct ts5500_sbc - TS-5500 board description

 * @name:	Board model name.

 * @id:		Board product ID.

 * @sram:	Flag for SRAM option.

 * @rs485:	Flag for RS-485 option.
@@ -75,6 +76,7 @@ 
 * @jumpers:	Bitfield for jumpers' state.

 */

struct ts5500_sbc {

	const char *name;

	int	id;

	bool	sram;

	bool	rs485;
@@ -122,13 +124,14 @@ static int __init ts5500_detect_config(struct ts5500_sbc *sbc) 
	if (!request_region(TS5500_PRODUCT_CODE_ADDR, 4, "ts5500"))

		return -EBUSY;



	tmp = inb(TS5500_PRODUCT_CODE_ADDR);

	if (tmp != TS5500_PRODUCT_CODE) {

		pr_err("This platform is not a TS-5500 (found ID 0x%x)\n", tmp);

	sbc->id = inb(TS5500_PRODUCT_CODE_ADDR);

	if (sbc->id == TS5500_PRODUCT_CODE) {

		sbc->name = "TS-5500";

	} else {

		pr_err("ts5500: unknown product code 0x%x\n", sbc->id);

		ret = -ENODEV;

		goto cleanup;

	}

	sbc->id = tmp;



	tmp = inb(TS5500_SRAM_RS485_ADC_ADDR);

	sbc->sram = tmp & TS5500_SRAM;
@@ -147,6 +150,15 @@ static int __init ts5500_detect_config(struct ts5500_sbc *sbc) 
	return ret;

}



static ssize_t name_show(struct device *dev, struct device_attribute *attr,

		char *buf)

{

	struct ts5500_sbc *sbc = dev_get_drvdata(dev);



	return sprintf(buf, "%s\n", sbc->name);

}

static DEVICE_ATTR_RO(name);



static ssize_t id_show(struct device *dev, struct device_attribute *attr,

		char *buf)

{
@@ -183,6 +195,7 @@ TS5500_ATTR_BOOL(itr); 


static struct attribute *ts5500_attributes[] = {

	&dev_attr_id.attr,

	&dev_attr_name.attr,

	&dev_attr_jumpers.attr,

	&dev_attr_sram.attr,

	&dev_attr_rs485.attr,