提交 c03c2a87 编写于 作者: M Michael Hennerich 提交者: Mike Frysinger

Blackfin: fix bugs in GPIO resume code

Change the bfin_gpio_pm_hibernate_restore() function to:
1) AND restored DATA with DIR (not OR) to get correct final state
2) Restore DATA before setting DIR to avoid glitches
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
上级 4c94c3e0
......@@ -686,14 +686,12 @@ void bfin_gpio_pm_hibernate_restore(void)
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
gpio_array[bank]->data_set = gpio_bank_saved[bank].data
& gpio_bank_saved[bank].dir;
gpio_array[bank]->dir = gpio_bank_saved[bank].dir;
gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
gpio_array[bank]->edge = gpio_bank_saved[bank].edge;
gpio_array[bank]->both = gpio_bank_saved[bank].both;
gpio_array[bank]->data_set = gpio_bank_saved[bank].data
| gpio_bank_saved[bank].dir;
gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
}
AWA_DUMMY_READ(maska);
......
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