On Thu, 09 Oct 2014, Catalin Marinas wrote:
On Tue, Oct 07, 2014 at 09:00:48AM +0100, Lee Jones wrote:
On Mon, 06 Oct 2014, Guenter Roeck wrote:
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -6,6 +6,7 @@
[...]
+static int ab8500_power_off(struct notifier_block *this, unsigned long unused1,
+ void *unused2)
{
sigset_t old;
sigset_t all;
@@ -34,11 +36,6 @@ static void ab8500_power_off(void)
struct power_supply *psy;
int ret;
- if (sysctrl_dev == NULL) {
- pr_err("%s: sysctrl not initialized\n", __func__);
- return;
- }
Can you explain the purpose of this change please?
I guess it's because the sysctrl_dev is already initialised when
registering the power_off handler, so there isn't a way to call the
above function with a NULL sysctrl_dev. Probably even with the original
code you didn't need this check (after some race fix in
ab8500_sysctrl_remove but races is one of the things Guenter's patches
try to address).
Sounds reasonable, although I think this change should be part of
another patch.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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