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Message-ID: <20150520104326.GE3627@x1>
Date: Wed, 20 May 2015 11:43:26 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Randy Dunlap <rdunlap@...radead.org>,
Yinghai Lu <yinghai@...nel.org>,
Borislav Petkov <bp@...en8.de>,
Samuel Ortiz <sameo@...ux.intel.com>,
Kumar Gala <galak@...eaurora.org>,
Andy Gross <agross@...eaurora.org>,
David Brown <davidb@...eaurora.org>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Tony Luck <tony.luck@...el.com>, x86@...nel.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-acpi@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-soc@...r.kernel.org
Subject: Re: [RFC v1 24/25] genirq: Kill the first parameter 'irq' of
irq_flow_handler_t
On Wed, 20 May 2015, Jiang Liu wrote:
> Now most IRQ flow handlers make no use of the first parameter 'irq'.
> And for those who do make use of 'irq', we could easily get the irq
> number through irq_desc->irq_data->irq. So kill the first parameter
> 'irq' of irq_flow_handler_t.
>
> To ease review, I have split the changes into several parts, though
> they should be merge as one to support bisecting.
>
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> ---
> drivers/mfd/asic3.c | 2 +-
> drivers/mfd/ezx-pcap.c | 2 +-
> drivers/mfd/htc-egpio.c | 2 +-
> drivers/mfd/jz4740-adc.c | 2 +-
> drivers/mfd/pm8921-core.c | 2 +-
> drivers/mfd/t7l66xb.c | 2 +-
> drivers/mfd/tc6393xb.c | 2 +-
> drivers/mfd/ucb1x00-core.c | 4 ++--
> 8 files changed, 9 insertions(+), 9 deletions(-)
So long as you've build tested each of these files:
Acked-by: Lee Jones <lee.jones@...aro.org>
> diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
> index 977bd3a3eed0..6bf17842a3e4 100644
> --- a/drivers/mfd/asic3.c
> +++ b/drivers/mfd/asic3.c
> @@ -138,7 +138,7 @@ static void asic3_irq_flip_edge(struct asic3 *asic,
> spin_unlock_irqrestore(&asic->lock, flags);
> }
>
> -static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
> +static void asic3_irq_demux(struct irq_desc *desc)
> {
> struct asic3 *asic = irq_desc_get_handler_data(desc);
> struct irq_data *data = irq_desc_get_irq_data(desc);
> diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
> index e5f4ffaa5414..ab83124d75f7 100644
> --- a/drivers/mfd/ezx-pcap.c
> +++ b/drivers/mfd/ezx-pcap.c
> @@ -205,7 +205,7 @@ static void pcap_isr_work(struct work_struct *work)
> } while (gpio_get_value(pdata->gpio));
> }
>
> -static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
> +static void pcap_irq_handler(struct irq_desc *desc)
> {
> struct pcap_chip *pcap = irq_desc_get_handler_data(desc);
>
> diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
> index 49f39feca784..8a3264e35403 100644
> --- a/drivers/mfd/htc-egpio.c
> +++ b/drivers/mfd/htc-egpio.c
> @@ -98,7 +98,7 @@ static struct irq_chip egpio_muxed_chip = {
> .irq_unmask = egpio_unmask,
> };
>
> -static void egpio_handler(unsigned int irq, struct irq_desc *desc)
> +static void egpio_handler(struct irq_desc *desc)
> {
> struct egpio_info *ei = irq_desc_get_handler_data(desc);
> int irqpin;
> diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
> index b31c54e4ecb2..ec1cd2297ea4 100644
> --- a/drivers/mfd/jz4740-adc.c
> +++ b/drivers/mfd/jz4740-adc.c
> @@ -65,7 +65,7 @@ struct jz4740_adc {
> spinlock_t lock;
> };
>
> -static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)
> +static void jz4740_adc_irq_demux(struct irq_desc *desc)
> {
> struct irq_chip_generic *gc = irq_desc_get_handler_data(desc);
> uint8_t status;
> diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
> index 5a92646a2ccb..87dd27e49a8b 100644
> --- a/drivers/mfd/pm8921-core.c
> +++ b/drivers/mfd/pm8921-core.c
> @@ -156,7 +156,7 @@ static int pm8xxx_irq_master_handler(struct pm_irq_chip *chip, int master)
> return ret;
> }
>
> -static void pm8xxx_irq_handler(unsigned int irq, struct irq_desc *desc)
> +static void pm8xxx_irq_handler(struct irq_desc *desc)
> {
> struct pm_irq_chip *chip = irq_desc_get_handler_data(desc);
> struct irq_chip *irq_chip = irq_desc_get_chip(desc);
> diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
> index b752ca2be549..55ade59303b1 100644
> --- a/drivers/mfd/t7l66xb.c
> +++ b/drivers/mfd/t7l66xb.c
> @@ -185,7 +185,7 @@ static struct mfd_cell t7l66xb_cells[] = {
> /*--------------------------------------------------------------------------*/
>
> /* Handle the T7L66XB interrupt mux */
> -static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
> +static void t7l66xb_irq(struct irq_desc *desc)
> {
> struct t7l66xb *t7l66xb = irq_desc_get_handler_data(desc);
> unsigned int isr;
> diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
> index d21253a51cff..e22722cd667c 100644
> --- a/drivers/mfd/tc6393xb.c
> +++ b/drivers/mfd/tc6393xb.c
> @@ -523,7 +523,7 @@ static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base)
> /*--------------------------------------------------------------------------*/
>
> static void
> -tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
> +tc6393xb_irq(struct irq_desc *desc)
> {
> struct tc6393xb *tc6393xb = irq_desc_get_handler_data(desc);
> unsigned int isr;
> diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
> index 58ea9fdd3a15..2f8f922a34de 100644
> --- a/drivers/mfd/ucb1x00-core.c
> +++ b/drivers/mfd/ucb1x00-core.c
> @@ -282,7 +282,7 @@ void ucb1x00_adc_disable(struct ucb1x00 *ucb)
> * SIBCLK to talk to the chip. We leave the clock running until
> * we have finished processing all interrupts from the chip.
> */
> -static void ucb1x00_irq(unsigned int irq, struct irq_desc *desc)
> +static void ucb1x00_irq(struct irq_desc *desc)
> {
> struct ucb1x00 *ucb = irq_desc_get_handler_data(desc);
> unsigned int isr, i;
> @@ -292,7 +292,7 @@ static void ucb1x00_irq(unsigned int irq, struct irq_desc *desc)
> ucb1x00_reg_write(ucb, UCB_IE_CLEAR, isr);
> ucb1x00_reg_write(ucb, UCB_IE_CLEAR, 0);
>
> - for (i = 0; i < 16 && isr; i++, isr >>= 1, irq++)
> + for (i = 0; i < 16 && isr; i++, isr >>= 1)
> if (isr & 1)
> generic_handle_irq(ucb->irq_base + i);
> ucb1x00_disable(ucb);
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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