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authorAnton Vorontsov <avorontsov@ru.mvista.com>2010-06-08 15:48:17 +0200
committerGrant Likely <grant.likely@secretlab.ca>2010-07-06 00:14:30 +0200
commit391c970c0dd1100e3b9e1681f7d0f20aac35455a (patch)
tree05a42941269f77b22de6b640953df61f2da5d13c /arch/powerpc/sysdev/mpc8xxx_gpio.c
parentof/gpio: stop using device_node data pointer to find gpio_chip (diff)
downloadlinux-391c970c0dd1100e3b9e1681f7d0f20aac35455a.tar.xz
linux-391c970c0dd1100e3b9e1681f7d0f20aac35455a.zip
of/gpio: add default of_xlate function if device has a node pointer
Implement generic OF gpio hooks and thus make device-enabled GPIO chips (i.e. the ones that have gpio_chip->dev specified) automatically attach to the OpenFirmware subsystem. Which means that now we can handle I2C and SPI GPIO chips almost* transparently. * "Almost" because some chips still require platform data, and for these chips OF-glue is still needed, though with this change the glue will be much smaller. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Bill Gatliff <bgat@billgatliff.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jean Delvare <khali@linux-fr.org> Cc: Andrew Morton <akpm@linux-foundation.org> CC: linux-kernel@vger.kernel.org CC: devicetree-discuss@lists.ozlabs.org
Diffstat (limited to 'arch/powerpc/sysdev/mpc8xxx_gpio.c')
-rw-r--r--arch/powerpc/sysdev/mpc8xxx_gpio.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c
index ec8fcd42101e..2b69084d0f0c 100644
--- a/arch/powerpc/sysdev/mpc8xxx_gpio.c
+++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c
@@ -273,7 +273,6 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
gc = &mm_gc->gc;
mm_gc->save_regs = mpc8xxx_gpio_save_regs;
- gc->of_gpio_n_cells = 2;
gc->ngpio = MPC8XXX_GPIO_PINS;
gc->direction_input = mpc8xxx_gpio_dir_in;
gc->direction_output = mpc8xxx_gpio_dir_out;