The driver uses pm_runtime_put_noidle() after initialization so the
device might remain in active state if the core does not read from it
(the read callback contains regular runtime put). The put_noidle() was
chosen probably to avoid unneeded suspend and resume cycle after the
initialization.
Howe
Driver enabled runtime PM but did not revert this on removal. Re-binding
of a device triggered warning:
exynos-rng 10830400.rng: Unbalanced pm_runtime_enable!
Fixes: b329669ea0b5 ("hwrng: exynos - Add support for Exynos random number
generator")
Signed-off-by: Krzysztof Kozlowski
---
dr
Add proper error path (for disabling runtime PM) when registering of
hwrng fails.
Fixes: b329669ea0b5 ("hwrng: exynos - Add support for Exynos random number
generator")
Signed-off-by: Krzysztof Kozlowski
---
drivers/char/hw_random/exynos-rng.c | 7 ++-
1 file changed, 6 insertions(+), 1 del
In case of timeout during read operation, the exit path lacked PM
runtime put. This could lead to unbalanced runtime PM usage counter thus
leaving the device in an active state.
Fixes: d7fd6075a205 ("hwrng: exynos - Add timeout for waiting on init done")
Cc: # v4.4+
Signed-off-by: Krzysztof Kozlo
Replace ifdef with __maybe_unused to silence compiler warning on when
SUSPEND=n and PM=y:
drivers/char/hw_random/exynos-rng.c:166:12: warning: ‘exynos_rng_suspend’
defined but not used [-Wunused-function]
static int exynos_rng_suspend(struct device *dev)
^
drivers/char/hw_random/exyn
On 10 March 2016 at 17:42, Robert Jarzmik wrote:
>>
>>
>> Ah, sorry that's a mistake. It should check as below:
>> static inline bool sg_is_contiguous(struct scatterlist *sga, struct
>> scatterlist *sgb)
>> {
>> return (unsigned int)sg_virt(sga) + sga->length == (unsigned
>> int)sg_virt(sgb);
On Mon, Feb 01, 2016 at 11:17:35AM -0800, Tadeusz Struk wrote:
>
> @@ -240,6 +255,7 @@ static int aead_sendmsg(struct socket *sock, struct
> msghdr *msg, size_t size)
> if (!aead_writable(sk)) {
> /* user space sent too much data */
> aead_
Baolin Wang writes:
> Hi Robert,
>
> On 4 March 2016 at 03:15, Robert Jarzmik wrote:
>> Baolin Wang writes:
>>> +static inline bool sg_is_contiguous(struct scatterlist *sga,
>>> + struct scatterlist *sgb)
>>> +{
>>> + return ((sga->page_link & ~0x3UL) + sga->
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