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authorMasanari Iida <standby24x7@gmail.com>2015-11-16 06:00:35 -0500
committerJonathan Corbet <corbet@lwn.net>2015-11-20 18:51:16 -0500
commit547d4c107822fe79a1f8ee8eb61d933d16769319 (patch)
tree6c9092924843fa28704f13d4bb727f65a28413b2 /Documentation/gpio
parent32d79b023abe442e76648a70f3255fca3c6f67c9 (diff)
Doc: gpio: Fix typos in Documentation/gpio
This patch fix some spelling typos found in Documentation/gpio. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/gpio')
-rw-r--r--Documentation/gpio/consumer.txt2
-rw-r--r--Documentation/gpio/driver.txt6
-rw-r--r--Documentation/gpio/drivers-on-gpio.txt6
3 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt
index e000502fde20..05676fdacfe3 100644
--- a/Documentation/gpio/consumer.txt
+++ b/Documentation/gpio/consumer.txt
@@ -260,7 +260,7 @@ will be driven low.
260 260
261To summarize: 261To summarize:
262 262
263Function (example) active-low proporty physical line 263Function (example) active-low property physical line
264gpiod_set_raw_value(desc, 0); don't care low 264gpiod_set_raw_value(desc, 0); don't care low
265gpiod_set_raw_value(desc, 1); don't care high 265gpiod_set_raw_value(desc, 1); don't care high
266gpiod_set_value(desc, 0); default (active-high) low 266gpiod_set_value(desc, 0); default (active-high) low
diff --git a/Documentation/gpio/driver.txt b/Documentation/gpio/driver.txt
index 12a61948ec91..bbeec415f406 100644
--- a/Documentation/gpio/driver.txt
+++ b/Documentation/gpio/driver.txt
@@ -113,8 +113,8 @@ GPIO irqchips usually fall in one of two categories:
113 it will be threaded IRQ handler on -RT and hard IRQ handler on non-RT 113 it will be threaded IRQ handler on -RT and hard IRQ handler on non-RT
114 (for example, see [3]). 114 (for example, see [3]).
115 Know W/A: The generic_handle_irq() is expected to be called with IRQ disabled, 115 Know W/A: The generic_handle_irq() is expected to be called with IRQ disabled,
116 so IRQ core will complain if it will be called from IRQ handler wich is forced 116 so IRQ core will complain if it will be called from IRQ handler which is
117 thread. The "fake?" raw lock can be used to W/A this problem: 117 forced thread. The "fake?" raw lock can be used to W/A this problem:
118 118
119 raw_spinlock_t wa_lock; 119 raw_spinlock_t wa_lock;
120 static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank) 120 static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
@@ -224,7 +224,7 @@ Real-Time compliance for GPIO IRQ chips
224--------------------------------------- 224---------------------------------------
225 225
226Any provider of irqchips needs to be carefully tailored to support Real Time 226Any provider of irqchips needs to be carefully tailored to support Real Time
227preemption. It is desireable that all irqchips in the GPIO subsystem keep this 227preemption. It is desirable that all irqchips in the GPIO subsystem keep this
228in mind and does the proper testing to assure they are real time-enabled. 228in mind and does the proper testing to assure they are real time-enabled.
229So, pay attention on above " RT_FULL:" notes, please. 229So, pay attention on above " RT_FULL:" notes, please.
230The following is a checklist to follow when preparing a driver for real 230The following is a checklist to follow when preparing a driver for real
diff --git a/Documentation/gpio/drivers-on-gpio.txt b/Documentation/gpio/drivers-on-gpio.txt
index f6121328630f..14bf95a13bae 100644
--- a/Documentation/gpio/drivers-on-gpio.txt
+++ b/Documentation/gpio/drivers-on-gpio.txt
@@ -54,7 +54,7 @@ hardware descriptions such as device tree or ACPI:
54 drivers for the I2C devices on the bus like any other I2C bus driver. 54 drivers for the I2C devices on the bus like any other I2C bus driver.
55 55
56- spi_gpio: drivers/spi/spi-gpio.c is used to drive an SPI bus (variable number 56- spi_gpio: drivers/spi/spi-gpio.c is used to drive an SPI bus (variable number
57 of wires, atleast SCK and optionally MISO, MOSI and chip select lines) using 57 of wires, at least SCK and optionally MISO, MOSI and chip select lines) using
58 GPIO hammering (bitbang). It will appear as any other SPI bus on the system 58 GPIO hammering (bitbang). It will appear as any other SPI bus on the system
59 and makes it possible to connect drivers for SPI devices on the bus like 59 and makes it possible to connect drivers for SPI devices on the bus like
60 any other SPI bus driver. For example any MMC/SD card can then be connected 60 any other SPI bus driver. For example any MMC/SD card can then be connected
@@ -75,7 +75,7 @@ hardware descriptions such as device tree or ACPI:
75 75
76- gpio-wdt: drivers/watchdog/gpio_wdt.c is used to provide a watchdog timer 76- gpio-wdt: drivers/watchdog/gpio_wdt.c is used to provide a watchdog timer
77 that will periodically "ping" a hardware connected to a GPIO line by toggling 77 that will periodically "ping" a hardware connected to a GPIO line by toggling
78 it from 1-to-0-to-1. If that hardware does not recieve its "ping" 78 it from 1-to-0-to-1. If that hardware does not receive its "ping"
79 periodically, it will reset the system. 79 periodically, it will reset the system.
80 80
81- gpio-nand: drivers/mtd/nand/gpio.c is used to connect a NAND flash chip to 81- gpio-nand: drivers/mtd/nand/gpio.c is used to connect a NAND flash chip to
@@ -91,5 +91,5 @@ usually connected directly to the flash.
91 91
92Use those instead of talking directly to the GPIOs using sysfs; they integrate 92Use those instead of talking directly to the GPIOs using sysfs; they integrate
93with kernel frameworks better than your userspace code could. Needless to say, 93with kernel frameworks better than your userspace code could. Needless to say,
94just using the apropriate kernel drivers will simplify and speed up your 94just using the appropriate kernel drivers will simplify and speed up your
95embedded hacking in particular by providing ready-made components. 95embedded hacking in particular by providing ready-made components.