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| author |   Fabien Dessenne <fabien.dessenne@st.com> | 2019-03-07 19:40:35 +0100 |
|---|---|---|
| committer |   Marc Zyngier <marc.zyngier@arm.com> | 2019-03-21 11:08:25 +0000 |
| commit | 0dda09666f50eae9c5b794dd89b1fd8a8d89d714 (patch) | |
| tree | 51946dd0f12366c5a99cb04fcbec387134990b09 /drivers/irqchip | |
| parent | dt-bindings: irqchip: renesas-irqc: Document r8a774c0 support (diff) | |
| download | linux-dev-0dda09666f50eae9c5b794dd89b1fd8a8d89d714.tar.xz linux-dev-0dda09666f50eae9c5b794dd89b1fd8a8d89d714.zip | |
irqchip/stm32: Don't clear rising/falling config registers at init
Falling and rising configuration and status registers are not banked.
As they are shared with M4 co-processor, they should not be cleared
at probe time, else M4 co-processor configuration will be lost.
Fixes: f9fc1745501e ("irqchip/stm32: Add host and driver data structures")
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-stm32-exti.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 6edfd4bfa169..dab37fbfab82 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -735,11 +735,6 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data, */ writel_relaxed(0, base + stm32_bank->imr_ofst); writel_relaxed(0, base + stm32_bank->emr_ofst); - writel_relaxed(0, base + stm32_bank->rtsr_ofst); - writel_relaxed(0, base + stm32_bank->ftsr_ofst); - writel_relaxed(~0UL, base + stm32_bank->rpr_ofst); - if (stm32_bank->fpr_ofst != UNDEF_REG) - writel_relaxed(~0UL, base + stm32_bank->fpr_ofst); pr_info("%pOF: bank%d\n", h_data->node, bank_idx); |