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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: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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1 changed files with 2 additions and 4 deletions
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@ -686,14 +686,12 @@ void bfin_gpio_pm_hibernate_restore(void)
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*port_fer[bank] = gpio_bank_saved[bank].fer;
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#endif
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gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
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gpio_array[bank]->data_set = gpio_bank_saved[bank].data
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& gpio_bank_saved[bank].dir;
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gpio_array[bank]->dir = gpio_bank_saved[bank].dir;
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gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
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gpio_array[bank]->edge = gpio_bank_saved[bank].edge;
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gpio_array[bank]->both = gpio_bank_saved[bank].both;
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gpio_array[bank]->data_set = gpio_bank_saved[bank].data
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| gpio_bank_saved[bank].dir;
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gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
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}
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AWA_DUMMY_READ(maska);
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