linux-dev - Linux kernel development work

Age	Commit message (Collapse)	Author	Files	Lines
2019-11-30	mailbox: stm32-ipcc: Update wakeup management	Fabien Dessenne	1	-29/+7
	The wakeup specific IRQ management is no more needed to wake up the stm32 platform. A relationship has been established between the EXTI and the RX IRQ, just need to declare the EXTI interrupt instead of the IPCC RX IRQ. Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-07-10	mailbox: stm32_ipcc: add spinlock to fix channels concurrent access	Arnaud Pouliquen	1	-10/+27
	Add spinlock protection on IPCC register update to avoid race condition. Without this fix, stm32_ipcc_set_bits and stm32_ipcc_clr_bits can be called in parallel for different channels. This results in register corruptions. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-05-09	mailbox: stm32-ipcc: check invalid irq	Fabien Dessenne	1	-5/+8
	On failure of_irq_get() returns a negative value or zero, which is not handled as an error in the existing implementation. Instead of using this API, use platform_get_irq() that returns exclusively a negative value on failure. Also, do not output an error log in case of defer probe error. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-03-06	mailbox: stm32-ipcc: remove useless device_init_wakeup call	Fabien Dessenne	1	-2/+0
	If the "wakeup-source" property does not exist there is no need to call device_init_wakeup("false") at probe. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-03-06	mailbox: stm32-ipcc: do not enable wakeup source by default	Fabien Dessenne	1	-1/+1
	By default do not enable the wakeup source. This lets the userspace application decide whether the wakeup source shall be enabled or not. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-12-21	mailbox: stm32-ipcc: Use device-managed registration API	Thierry Reding	1	-3/+1
	Get rid of some boilerplate driver removal code by using the newly added device-managed registration API. Reviewed-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06	mailbox: add STMicroelectronics STM32 IPCC driver	Fabien Dessenne	1	-0/+402
	The STMicroelectronics STM32 Inter-Processor Communication Controller (IPCC) is used for communicating data between two processors. It provides a non blocking signaling mechanism to post and retrieve communication data in an atomic way. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>