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gpio/omap: handle set_dataout reg capable IP on restore 

GPIO IP revisions such as those used in OMAP4 have a set_dataout
while the previous revisions used a single dataout register.
Depending on what is available restore the dataout settings
to the right register.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Nishanth Menon 2011-09-09 19:14:08 +05:30 committed by Tarun Kanti DebBarma
parent 6d13eaaf33
commit f86bcc302a
1 changed files with 6 additions and 1 deletions
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7
drivers/gpio/gpio-omap.c
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@ -1363,7 +1363,12 @@ static void omap_gpio_restore_context(struct gpio_bank *bank)
bank->base + bank->regs->risingdetect);
__raw_writel(bank->context.fallingdetect,
bank->base + bank->regs->fallingdetect);
__raw_writel(bank->context.dataout, bank->base + bank->regs->dataout);
if (bank->regs->set_dataout && bank->regs->clr_dataout)
__raw_writel(bank->context.dataout,
bank->base + bank->regs->set_dataout);
else
__raw_writel(bank->context.dataout,
bank->base + bank->regs->dataout);
__raw_writel(bank->context.oe, bank->base + bank->regs->direction);
if (bank->dbck_enable_mask) {