A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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gpio: omap: prevent module from being unloaded while in use

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OMAP GPIO driver allowed to be built as loadable module, but it
doesn't set owner field in GPIO chip structure. As result,
module_get/put() API is not working and it's possible to unload
OMAP driver while in use:

  omap_gpio 48051000.gpio: REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED

Hence, add missing configuration.

Cc: Tony Lindgren <[email protected]>
Fixes: cac089f902 ('gpio: omap: Allow building as a loadable module')
Signed-off-by: Grygorii Strashko <[email protected]>
Acked-by: Alexandre Courbot <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Grygorii Strashko 2015-06-25 18:13:33 +03:00 • committed by Linus Walleij
commit c23837ce73
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/gpio-omap.c
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@ -1187,6 +1187,7 @@ static int omap_gpio_probe(struct platform_device *pdev)
bank->irq = res->start;
bank->dev = dev;
bank->chip.dev = dev;
bank->chip.owner = THIS_MODULE;
bank->dbck_flag = pdata->dbck_flag;
bank->stride = pdata->bank_stride;
bank->width = pdata->bank_width;