The patch titled
gpiolib: i2c/spi drivers: handle rmmod better
has been added to the -mm tree. Its filename is
gpiolib-i2c-spi-drivers-handle-rmmod-better.patch
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out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: gpiolib: i2c/spi drivers: handle rmmod better
From: Guennadi Liakhovetski <[EMAIL PROTECTED]>
Use the newly introduced owner field in struct gpio_chip to protect the
current (small) set of non-SOC GPIO drivers from being unloaded while any of
their GPIOs are in use.
Signed-off-by: Guennadi Liakhovetski <[EMAIL PROTECTED]>
[ add mcp23s08 and pcf857x ]
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/gpio/mcp23s08.c | 1 +
drivers/gpio/pca953x.c | 1 +
drivers/gpio/pcf857x.c | 1 +
3 files changed, 3 insertions(+)
diff -puN drivers/gpio/mcp23s08.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
drivers/gpio/mcp23s08.c
--- a/drivers/gpio/mcp23s08.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
+++ a/drivers/gpio/mcp23s08.c
@@ -239,6 +239,7 @@ static int mcp23s08_probe(struct spi_dev
mcp->chip.base = pdata->base;
mcp->chip.ngpio = 8;
mcp->chip.can_sleep = 1;
+ mcp->chip.owner = THIS_MODULE;
spi_set_drvdata(spi, mcp);
diff -puN drivers/gpio/pca953x.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
drivers/gpio/pca953x.c
--- a/drivers/gpio/pca953x.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
+++ a/drivers/gpio/pca953x.c
@@ -188,6 +188,7 @@ static void pca953x_setup_gpio(struct pc
gc->base = chip->gpio_start;
gc->ngpio = gpios;
gc->label = chip->client->name;
+ gc->owner = THIS_MODULE;
}
static int __devinit pca953x_probe(struct i2c_client *client)
diff -puN drivers/gpio/pcf857x.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
drivers/gpio/pcf857x.c
--- a/drivers/gpio/pcf857x.c~gpiolib-i2c-spi-drivers-handle-rmmod-better
+++ a/drivers/gpio/pcf857x.c
@@ -159,6 +159,7 @@ static int pcf857x_probe(struct i2c_clie
gpio->chip.base = pdata->gpio_base;
gpio->chip.can_sleep = 1;
+ gpio->chip.owner = THIS_MODULE;
/* NOTE: the OnSemi jlc1562b is also largely compatible with
* these parts, notably for output. It has a low-resolution
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
origin.patch
lib-scatterlisto-needed-by-a-module-only-link-it-in-unconditionally.patch
git-dvb.patch
gpiolib-better-rmmod-infrastructure.patch
gpiolib-i2c-spi-drivers-handle-rmmod-better.patch
gpio-define-gpio_is_valid.patch
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