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Date: Tue, 28 Jul 2015 09:05:50 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
Jiang Liu <jiang.liu@...ux.intel.com>,
Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [patch 7/9] mfd: Use irq_desc_get_xxx() to avoid redundant
lookup of irq_desc
On Mon, 13 Jul 2015, Thomas Gleixner wrote:
> From: Jiang Liu <jiang.liu@...ux.intel.com>
>
> Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
> already have a pointer to corresponding irq_desc.
>
> Do the same change to avoid the pattern "irq_get_chip_data(data->irq)".
>
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> Acked-by: Lee Jones <lee.jones@...aro.org>
> Cc: Samuel Ortiz <sameo@...ux.intel.com>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
> drivers/mfd/ezx-pcap.c | 2 +-
> drivers/mfd/max8997-irq.c | 8 ++++----
> drivers/mfd/mt6397-core.c | 8 ++++----
> drivers/mfd/t7l66xb.c | 2 +-
> drivers/mfd/tc6393xb.c | 2 +-
> drivers/mfd/twl6030-irq.c | 2 +-
> 6 files changed, 12 insertions(+), 12 deletions(-)
Applied, thanks.
> Index: tip/drivers/mfd/ezx-pcap.c
> ===================================================================
> --- tip.orig/drivers/mfd/ezx-pcap.c
> +++ tip/drivers/mfd/ezx-pcap.c
> @@ -207,7 +207,7 @@ static void pcap_isr_work(struct work_st
>
> static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
> {
> - struct pcap_chip *pcap = irq_get_handler_data(irq);
> + struct pcap_chip *pcap = irq_desc_get_handler_data(desc);
>
> desc->irq_data.chip->irq_ack(&desc->irq_data);
> queue_work(pcap->workqueue, &pcap->isr_work);
> Index: tip/drivers/mfd/max8997-irq.c
> ===================================================================
> --- tip.orig/drivers/mfd/max8997-irq.c
> +++ tip/drivers/mfd/max8997-irq.c
> @@ -113,14 +113,14 @@ static const struct max8997_irq_data max
>
> static void max8997_irq_lock(struct irq_data *data)
> {
> - struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
> + struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
>
> mutex_lock(&max8997->irqlock);
> }
>
> static void max8997_irq_sync_unlock(struct irq_data *data)
> {
> - struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
> + struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
> int i;
>
> for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
> @@ -148,7 +148,7 @@ irq_to_max8997_irq(struct max8997_dev *m
>
> static void max8997_irq_mask(struct irq_data *data)
> {
> - struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
> + struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
> const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
> data->irq);
>
> @@ -157,7 +157,7 @@ static void max8997_irq_mask(struct irq_
>
> static void max8997_irq_unmask(struct irq_data *data)
> {
> - struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
> + struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
> const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
> data->irq);
>
> Index: tip/drivers/mfd/mt6397-core.c
> ===================================================================
> --- tip.orig/drivers/mfd/mt6397-core.c
> +++ tip/drivers/mfd/mt6397-core.c
> @@ -60,14 +60,14 @@ static const struct mfd_cell mt6397_devs
>
> static void mt6397_irq_lock(struct irq_data *data)
> {
> - struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
> + struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
>
> mutex_lock(&mt6397->irqlock);
> }
>
> static void mt6397_irq_sync_unlock(struct irq_data *data)
> {
> - struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
> + struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
>
> regmap_write(mt6397->regmap, MT6397_INT_CON0, mt6397->irq_masks_cur[0]);
> regmap_write(mt6397->regmap, MT6397_INT_CON1, mt6397->irq_masks_cur[1]);
> @@ -77,7 +77,7 @@ static void mt6397_irq_sync_unlock(struc
>
> static void mt6397_irq_disable(struct irq_data *data)
> {
> - struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
> + struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
> int shift = data->hwirq & 0xf;
> int reg = data->hwirq >> 4;
>
> @@ -86,7 +86,7 @@ static void mt6397_irq_disable(struct ir
>
> static void mt6397_irq_enable(struct irq_data *data)
> {
> - struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
> + struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
> int shift = data->hwirq & 0xf;
> int reg = data->hwirq >> 4;
>
> Index: tip/drivers/mfd/t7l66xb.c
> ===================================================================
> --- tip.orig/drivers/mfd/t7l66xb.c
> +++ tip/drivers/mfd/t7l66xb.c
> @@ -187,7 +187,7 @@ static struct mfd_cell t7l66xb_cells[] =
> /* Handle the T7L66XB interrupt mux */
> static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
> {
> - struct t7l66xb *t7l66xb = irq_get_handler_data(irq);
> + struct t7l66xb *t7l66xb = irq_desc_get_handler_data(desc);
> unsigned int isr;
> unsigned int i, irq_base;
>
> Index: tip/drivers/mfd/tc6393xb.c
> ===================================================================
> --- tip.orig/drivers/mfd/tc6393xb.c
> +++ tip/drivers/mfd/tc6393xb.c
> @@ -525,7 +525,7 @@ static int tc6393xb_register_gpio(struct
> static void
> tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
> {
> - struct tc6393xb *tc6393xb = irq_get_handler_data(irq);
> + struct tc6393xb *tc6393xb = irq_desc_get_handler_data(desc);
> unsigned int isr;
> unsigned int i, irq_base;
>
> Index: tip/drivers/mfd/twl6030-irq.c
> ===================================================================
> --- tip.orig/drivers/mfd/twl6030-irq.c
> +++ tip/drivers/mfd/twl6030-irq.c
> @@ -231,7 +231,7 @@ static irqreturn_t twl6030_irq_thread(in
>
> static int twl6030_irq_set_wake(struct irq_data *d, unsigned int on)
> {
> - struct twl6030_irq *pdata = irq_get_chip_data(d->irq);
> + struct twl6030_irq *pdata = irq_data_get_irq_chip_data(d);
>
> if (on)
> atomic_inc(&pdata->wakeirqs);
>
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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