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mfd: provide and use setup hook for tc6393xb

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Instead of using bitfields for initial gpio setup,
provide generic setup/teardown hooks that can be used
to set the gpio states, register child devices, etc.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
Dmitry Baryshkov 2008-09-24 23:36:23 +02:00 • committed by Samuel Ortiz
commit 1c1b6ffce5
4 changed files with 45 additions and 17 deletions
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4
include/linux/mfd/tc6393xb.h
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@ -21,8 +21,6 @@
struct tc6393xb_platform_data {
u16 scr_pll2cr; /* PLL2 Control */
u16 scr_gper; /* GP Enable */
u32 scr_gpo_doecr; /* GPO Data OE Control */
u32 scr_gpo_dsr; /* GPO Data Set */
int (*enable)(struct platform_device *dev);
int (*disable)(struct platform_device *dev);
@ -31,6 +29,8 @@ struct tc6393xb_platform_data {
int irq_base; /* base for subdevice irqs */
int gpio_base;
int (*setup)(struct platform_device *dev);
void (*teardown)(struct platform_device *dev);
struct tmio_nand_data *nand_data;
};