From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: [PATCH V4 13/18] soc/tegra: pmc: allow support for more tegra wake Date: Mon, 24 Jun 2019 09:15:01 +0100 Message-ID: <86d0j3pfga.wl-marc.zyngier@arm.com> References: <1561345379-2429-1-git-send-email-skomatineni@nvidia.com> <1561345379-2429-14-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <1561345379-2429-14-git-send-email-skomatineni@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Sowjanya Komatineni Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net, linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org, digetx@gmail.com, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Mon, 24 Jun 2019 04:02:54 +0100, Sowjanya Komatineni wrote: > > This patch allows to create separate irq_set_wake and irq_set_type > implementations for different tegra designs PMC that has different > wake models which require difference wake registers and different > programming sequence. > > AOWAKE model support is available for Tegra186 and Tegra194 only > and it resides within PMC and supports tiered wake architecture. > > Tegra210 and prior tegra designs uses PMC directly to receive wake > events and coordinate the wake sequence. > > Signed-off-by: Sowjanya Komatineni > --- > drivers/soc/tegra/pmc.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) > > diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c > index edd4fe06810f..e87f29a35fcf 100644 > --- a/drivers/soc/tegra/pmc.c > +++ b/drivers/soc/tegra/pmc.c > @@ -226,6 +226,8 @@ struct tegra_pmc_soc { > void (*setup_irq_polarity)(struct tegra_pmc *pmc, > struct device_node *np, > bool invert); > + int (*irq_set_wake)(struct irq_data *data, unsigned int on); > + int (*irq_set_type)(struct irq_data *data, unsigned int type); > > const char * const *reset_sources; > unsigned int num_reset_sources; > @@ -1919,7 +1921,7 @@ static const struct irq_domain_ops tegra_pmc_irq_domain_ops = { > .alloc = tegra_pmc_irq_alloc, > }; > > -static int tegra_pmc_irq_set_wake(struct irq_data *data, unsigned int on) > +static int tegra186_pmc_irq_set_wake(struct irq_data *data, unsigned int on) > { > struct tegra_pmc *pmc = irq_data_get_irq_chip_data(data); > unsigned int offset, bit; > @@ -1951,7 +1953,7 @@ static int tegra_pmc_irq_set_wake(struct irq_data *data, unsigned int on) > return 0; > } > > -static int tegra_pmc_irq_set_type(struct irq_data *data, unsigned int type) > +static int tegra186_pmc_irq_set_type(struct irq_data *data, unsigned int type) > { > struct tegra_pmc *pmc = irq_data_get_irq_chip_data(data); > u32 value; > @@ -2005,8 +2007,10 @@ static int tegra_pmc_irq_init(struct tegra_pmc *pmc) > pmc->irq.irq_unmask = irq_chip_unmask_parent; > pmc->irq.irq_eoi = irq_chip_eoi_parent; > pmc->irq.irq_set_affinity = irq_chip_set_affinity_parent; > - pmc->irq.irq_set_type = tegra_pmc_irq_set_type; > - pmc->irq.irq_set_wake = tegra_pmc_irq_set_wake; > + if (pmc->soc->irq_set_type) > + pmc->irq.irq_set_type = pmc->soc->irq_set_type; > + if (pmc->soc->irq_set_wake) > + pmc->irq.irq_set_wake = pmc->soc->irq_set_wake; I already commented on how superfluous these 'if ()' where. If you disagree, please let me know why. Thanks, M. -- Jazz is not dead, it just smells funny.