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samples: move blackfin gptimers-example from Documentation

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Move blackfin gptimers-example to samples and remove it from Documentation
Makefile. Update samples Kconfig and Makefile to build gptimers-example.

blackfin is the last CONFIG_BUILD_DOCSRC target in Documentation/Makefile.
Hence this patch also includes changes to remove CONFIG_BUILD_DOCSRC from
Makefile and lib/Kconfig.debug and updates VIDEO_PCI_SKELETON dependency
on BUILD_DOCSRC.

Documentation/Makefile is not deleted to avoid braking make htmldocs and
make distclean.

Acked-by: Michal Marek <[email protected]>
Acked-by: Jonathan Corbet <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reported-by: Valentin Rothberg <[email protected]>
Reported-by: Paul Gortmaker <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
This commit is contained in:
Shuah Khan 2016-10-06 16:00:50 -06:00
commit 1848929251
10 changed files with 10 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Documentation/blackfin/00-INDEX
View file

@ -1,10 +1,6 @@
00-INDEX
- This file
Makefile
- Makefile for gptimers example file.
bfin-gpio-notes.txt
- Notes in developing/using bfin-gpio driver.
bfin-spi-notes.txt
- Notes for using bfin spi bus driver.
gptimers-example.c
- gptimers example

5
Documentation/blackfin/Makefile
View file

@ -1,5 +0,0 @@
ifneq ($(CONFIG_BLACKFIN),)
ifneq ($(CONFIG_BFIN_GPTIMERS),)
obj-m := gptimers-example.o
endif
endif

91
Documentation/blackfin/gptimers-example.c
View file

@ -1,91 +0,0 @@
/*
* Simple gptimers example
* http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:drivers:gptimers
*
* Copyright 2007-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <linux/interrupt.h>
#include <linux/module.h>
#include <asm/gptimers.h>
#include <asm/portmux.h>
/* ... random driver includes ... */
#define DRIVER_NAME "gptimer_example"
#ifdef IRQ_TIMER5
#define SAMPLE_IRQ_TIMER IRQ_TIMER5
#else
#define SAMPLE_IRQ_TIMER IRQ_TIMER2
#endif
struct gptimer_data {
uint32_t period, width;
};
static struct gptimer_data data;
/* ... random driver state ... */
static irqreturn_t gptimer_example_irq(int irq, void *dev_id)
{
struct gptimer_data *data = dev_id;
/* make sure it was our timer which caused the interrupt */
if (!get_gptimer_intr(TIMER5_id))
return IRQ_NONE;
/* read the width/period values that were captured for the waveform */
data->width = get_gptimer_pwidth(TIMER5_id);
data->period = get_gptimer_period(TIMER5_id);
/* acknowledge the interrupt */
clear_gptimer_intr(TIMER5_id);
/* tell the upper layers we took care of things */
return IRQ_HANDLED;
}
/* ... random driver code ... */
static int __init gptimer_example_init(void)
{
int ret;
/* grab the peripheral pins */
ret = peripheral_request(P_TMR5, DRIVER_NAME);
if (ret) {
printk(KERN_NOTICE DRIVER_NAME ": peripheral request failed\n");
return ret;
}
/* grab the IRQ for the timer */
ret = request_irq(SAMPLE_IRQ_TIMER, gptimer_example_irq,
IRQF_SHARED, DRIVER_NAME, &data);
if (ret) {
printk(KERN_NOTICE DRIVER_NAME ": IRQ request failed\n");
peripheral_free(P_TMR5);
return ret;
}
/* setup the timer and enable it */
set_gptimer_config(TIMER5_id,
WDTH_CAP | PULSE_HI | PERIOD_CNT | IRQ_ENA);
enable_gptimers(TIMER5bit);
return 0;
}
module_init(gptimer_example_init);
static void __exit gptimer_example_exit(void)
{
disable_gptimers(TIMER5bit);
free_irq(SAMPLE_IRQ_TIMER, &data);
peripheral_free(P_TMR5);
}
module_exit(gptimer_example_exit);
MODULE_LICENSE("BSD");