Subject: [PATCH 1/1] gpio: omap: Fix PM runtime issue and remove most BANK_USED macros

From: [email-masked] (Felipe Balbi)
Date: Wed, 22 Apr 2015 09:20:02 -0500

On Tue, Apr 21, 2015 at 09:08:53AM -0700, Tony Lindgren wrote:
> Looks like omap_gpio_irq_type can return early at several places
> leaving a GPIO bank enabled without doing pm_runtime_put if wrong
> GPIO arguments are passed.
> 
> Instead of adding more complicated BANK_USED macros, let's fix the
> issue properly. We can pass is_irq flag to omap_enable_gpio_module
> and omap_disble_gpio_module. And with that we can remove all the
> similar code elsewhere to get rid of most BANK_USED macros.
> 
> Note that the reason for the BANK_USED macro is that we need to manage
> PM runtime on per GPIO bank basis. In the long run we want to move to
> using PM runtime counts for each GPIO line to determine if a GPIO
> bank is used. Once we have a solution for omap_enable_gpio_module
> and omap_disable_gpio_module, we can remove the remaining BANK_USED
> macros.
> 
> Cc: Felipe Balbi <[email-masked]>
> Cc: Grygorii Strashko <[email-masked]>
> Cc: Javier Martinez Canillas <[email-masked]>
> Cc: Nishanth Menon <[email-masked]>
> Signed-off-by: Tony Lindgren <[email-masked]>

looks ok to my eyes.

Reviewed-by: Felipe Balbi <[email-masked]>

-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20150422/b25463d0/attachment.sig>