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pinctrl: pinctrl-single: add debugfs pin h/w state info 

Adds support for displaying the individual pin h/w config state.

Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Matt Porter 2012-09-26 15:07:43 -04:00 committed by Linus Walleij
parent 4401e2989b
commit 7d66ce7f8c
1 changed files with 9 additions and 1 deletions
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10
drivers/pinctrl/pinctrl-single.c
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@ -246,7 +246,15 @@ static void pcs_pin_dbg_show(struct pinctrl_dev *pctldev,
struct seq_file *s,
unsigned offset)
{
seq_printf(s, " " DRIVER_NAME);
struct pcs_device *pcs;
unsigned val;
pcs = pinctrl_dev_get_drvdata(pctldev);
val = pcs->read(pcs->base + offset);
val &= pcs->fmask;
seq_printf(s, "%08x %s " , val, DRIVER_NAME);
}
static void pcs_dt_free_map(struct pinctrl_dev *pctldev,