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pinctrl/TB10x: Fix signedness bug

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In the TB10x pin database, a port index of -1 is used to indicate
unmuxed GPIO pin groups. This bug fixes a 'cast to unsigned' bug of
this value.

Thanks to Dan Carpenter for highlighting this.

CC: Dan Carpenter <[email protected]>
Signed-off-by: Christian Ruppert <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Christian Ruppert 2014-04-11 16:46:04 +02:00 • committed by Linus Walleij
commit 4c5fba3d4a
1 changed files with 1 additions and 2 deletions
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3
drivers/pinctrl/pinctrl-tb10x.c
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@ -629,9 +629,8 @@ static int tb10x_gpio_request_enable(struct pinctrl_dev *pctl,
*/
for (i = 0; i < state->pinfuncgrpcnt; i++) {
const struct tb10x_pinfuncgrp *pfg = &state->pingroups[i];
unsigned int port = pfg->port;
unsigned int mode = pfg->mode;
int j;
int j, port = pfg->port;
/*
* Skip pin groups which are always mapped and don't need