From: Sowjanya Komatineni <skomatineni@nvidia.com> To: thierry.reding@gmail.com, jonathanh@nvidia.com Cc: jckuo@nvidia.com, talho@nvidia.com, josephl@nvidia.com, skomatineni@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V1 01/12] irqchip: tegra: do not disable COP IRQ during suspend Date: Tue, 21 May 2019 16:31:12 -0700 [thread overview] Message-ID: <1558481483-22254-2-git-send-email-skomatineni@nvidia.com> (raw) In-Reply-To: <1558481483-22254-1-git-send-email-skomatineni@nvidia.com> BPMP-lite still need IRQ function to finish SC7 suspend sequence for Tegra210. This patch has fix for leaving the COP IRQ enabled for Tegra210 during interrupt controller suspend operation. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> --- drivers/irqchip/irq-tegra.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c index 0abc0cd1c32e..1882373fa1fd 100644 --- a/drivers/irqchip/irq-tegra.c +++ b/drivers/irqchip/irq-tegra.c @@ -53,18 +53,24 @@ static unsigned int num_ictlrs; struct tegra_ictlr_soc { unsigned int num_ictlrs; + bool has_bpmpl; }; +static const struct tegra_ictlr_soc *soc; + static const struct tegra_ictlr_soc tegra20_ictlr_soc = { .num_ictlrs = 4, + .has_bpmpl = false, }; static const struct tegra_ictlr_soc tegra30_ictlr_soc = { .num_ictlrs = 5, + .has_bpmpl = false, }; static const struct tegra_ictlr_soc tegra210_ictlr_soc = { .num_ictlrs = 6, + .has_bpmpl = true, }; static const struct of_device_id ictlr_matches[] = { @@ -157,7 +163,8 @@ static int tegra_ictlr_suspend(void) lic->cop_iep[i] = readl_relaxed(ictlr + ICTLR_COP_IEP_CLASS); /* Disable COP interrupts */ - writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR); + if (!soc->has_bpmpl) + writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR); /* Disable CPU interrupts */ writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR); @@ -286,7 +293,6 @@ static int __init tegra_ictlr_init(struct device_node *node, { struct irq_domain *parent_domain, *domain; const struct of_device_id *match; - const struct tegra_ictlr_soc *soc; unsigned int i; int err; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Sowjanya Komatineni <skomatineni@nvidia.com> To: <thierry.reding@gmail.com>, <jonathanh@nvidia.com> Cc: <jckuo@nvidia.com>, <talho@nvidia.com>, <josephl@nvidia.com>, <skomatineni@nvidia.com>, <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH V1 01/12] irqchip: tegra: do not disable COP IRQ during suspend Date: Tue, 21 May 2019 16:31:12 -0700 [thread overview] Message-ID: <1558481483-22254-2-git-send-email-skomatineni@nvidia.com> (raw) In-Reply-To: <1558481483-22254-1-git-send-email-skomatineni@nvidia.com> BPMP-lite still need IRQ function to finish SC7 suspend sequence for Tegra210. This patch has fix for leaving the COP IRQ enabled for Tegra210 during interrupt controller suspend operation. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> --- drivers/irqchip/irq-tegra.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c index 0abc0cd1c32e..1882373fa1fd 100644 --- a/drivers/irqchip/irq-tegra.c +++ b/drivers/irqchip/irq-tegra.c @@ -53,18 +53,24 @@ static unsigned int num_ictlrs; struct tegra_ictlr_soc { unsigned int num_ictlrs; + bool has_bpmpl; }; +static const struct tegra_ictlr_soc *soc; + static const struct tegra_ictlr_soc tegra20_ictlr_soc = { .num_ictlrs = 4, + .has_bpmpl = false, }; static const struct tegra_ictlr_soc tegra30_ictlr_soc = { .num_ictlrs = 5, + .has_bpmpl = false, }; static const struct tegra_ictlr_soc tegra210_ictlr_soc = { .num_ictlrs = 6, + .has_bpmpl = true, }; static const struct of_device_id ictlr_matches[] = { @@ -157,7 +163,8 @@ static int tegra_ictlr_suspend(void) lic->cop_iep[i] = readl_relaxed(ictlr + ICTLR_COP_IEP_CLASS); /* Disable COP interrupts */ - writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR); + if (!soc->has_bpmpl) + writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR); /* Disable CPU interrupts */ writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR); @@ -286,7 +293,6 @@ static int __init tegra_ictlr_init(struct device_node *node, { struct irq_domain *parent_domain, *domain; const struct of_device_id *match; - const struct tegra_ictlr_soc *soc; unsigned int i; int err; -- 2.7.4
next prev parent reply other threads:[~2019-05-21 23:31 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-21 23:31 [PATCH V1 00/12] LP0 entry and exit support for Tegra210 Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni [this message] 2019-05-21 23:31 ` [PATCH V1 01/12] irqchip: tegra: do not disable COP IRQ during suspend Sowjanya Komatineni 2019-05-22 12:12 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 02/12] pinctrl: tegra: add suspend and resume support Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 12:37 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 03/12] clk: tegra: save and restore PLLs state for system Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 13:31 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 04/12] clk: tegra: add support for peripheral clock suspend and resume Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-21 23:31 ` [PATCH V1 05/12] clk: tegra: add support for OSC clock resume Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-21 23:31 ` [PATCH V1 06/12] clk: tegra: add suspend resume support for DFLL clock Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-21 23:31 ` [PATCH V1 07/12] clk: tegra: support for Tegra210 clocks suspend-resume Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-21 23:31 ` [PATCH V1 08/12] soc/tegra: pmc: allow support for more tegra wake models Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 12:49 ` Thierry Reding 2019-05-22 13:02 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 09/12] soc/tegra: pmc: add pmc wake support for tegra210 Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 13:01 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 10/12] gpio: tegra: implement wake event support for Tegra210 and prior GPIO Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 13:24 ` Thierry Reding 2019-05-25 20:39 ` Sowjanya Komatineni 2019-05-25 20:39 ` Sowjanya Komatineni 2019-05-21 23:31 ` [PATCH V1 11/12] soc/tegra: pmc: configure tegra deep sleep control settings Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 13:28 ` Thierry Reding 2019-05-21 23:31 ` [PATCH V1 12/12] arm64: tegra: enable wake from deep sleep on RTC alarm Sowjanya Komatineni 2019-05-21 23:31 ` Sowjanya Komatineni 2019-05-22 13:33 ` [PATCH V1 00/12] LP0 entry and exit support for Tegra210 Thierry Reding
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