* [patch 00/23] ARM: Final genirq cleanup
@ 2011-03-25 13:21 Thomas Gleixner
2011-03-25 13:21 ` [patch 01/23] arm: Ns9xxx: Remove private irq flow handler Thomas Gleixner
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From: Thomas Gleixner @ 2011-03-25 13:21 UTC (permalink / raw)
To: linux-arm-kernel
The following series cleans up the reminding open coded access to
irq_desc and converts the newly merged (sigh) msm to the new irq chip
functions.
The final patches make use of the generic show_interrupts() and
convert the namespace to the new irq_* function names. That conversion
was done with coccinelle. The last patch folds irq_set_chip and
irq_set_handler pairs into irq_set_chip_and_handler with coccinelle.
The series depends on the irq/cleanup branch in
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git
which will go to Linus later today.
If there are no objections I can push the whole lot through tip.
Thanks,
tglx
Kconfig | 1
common/gic.c | 15 ++----
common/it8152.c | 4 -
common/locomo.c | 17 +++---
common/sa1111.c | 24 ++++-----
common/vic.c | 6 +-
include/asm/hw_irq.h | 8 ---
kernel/ecard.c | 6 +-
kernel/irq.c | 70 ++++------------------------
mach-at91/at91cap9_devices.c | 6 +-
mach-at91/gpio.c | 43 ++++++-----------
mach-at91/irq.c | 3 -
mach-bcmring/irq.c | 10 ++--
mach-clps711x/irq.c | 8 +--
mach-davinci/cp_intc.c | 4 -
mach-davinci/gpio.c | 49 ++++++++------------
mach-davinci/irq.c | 6 +-
mach-dove/irq.c | 20 +++-----
mach-ebsa110/core.c | 4 -
mach-ep93xx/gpio.c | 52 ++++++++++++---------
mach-exynos4/irq-combiner.c | 13 ++---
mach-exynos4/irq-eint.c | 15 +++---
mach-footbridge/common.c | 3 -
mach-footbridge/isa-irq.c | 10 ++--
mach-gemini/gpio.c | 14 ++---
mach-gemini/irq.c | 6 +-
mach-h720x/common.c | 22 ++++-----
mach-h720x/cpu-h7202.c | 6 +-
mach-integrator/integrator_ap.c | 4 -
mach-integrator/integrator_cp.c | 11 +---
mach-iop13xx/irq.c | 10 ++--
mach-iop13xx/msi.c | 6 +-
mach-iop32x/irq.c | 3 -
mach-iop33x/irq.c | 5 +-
mach-ixp2000/core.c | 20 ++++----
mach-ixp2000/ixdp2x00.c | 6 +-
mach-ixp2000/ixdp2x01.c | 6 +-
mach-ixp23xx/core.c | 14 ++---
mach-ixp23xx/ixdp2351.c | 12 ++--
mach-ixp23xx/roadrunner.c | 4 -
mach-ixp4xx/avila-pci.c | 8 +--
mach-ixp4xx/common.c | 4 -
mach-ixp4xx/coyote-pci.c | 4 -
mach-ixp4xx/dsmg600-pci.c | 12 ++--
mach-ixp4xx/fsg-pci.c | 6 +-
mach-ixp4xx/gateway7001-pci.c | 4 -
mach-ixp4xx/goramo_mlr.c | 12 ++--
mach-ixp4xx/gtwx5715-pci.c | 4 -
mach-ixp4xx/ixdp425-pci.c | 8 +--
mach-ixp4xx/ixdpg425-pci.c | 4 -
mach-ixp4xx/nas100d-pci.c | 10 ++--
mach-ixp4xx/nslu2-pci.c | 6 +-
mach-ixp4xx/vulcan-pci.c | 4 -
mach-ixp4xx/wg302v2-pci.c | 4 -
mach-kirkwood/irq.c | 15 +++---
mach-ks8695/gpio.c | 2
mach-ks8695/irq.c | 18 ++++---
mach-lpc32xx/irq.c | 10 ++--
mach-mmp/irq-mmp2.c | 18 +++----
mach-mmp/irq-pxa168.c | 3 -
mach-msm/board-msm8960.c | 2
mach-msm/board-msm8x60.c | 2
mach-msm/board-trout-gpio.c | 10 ++--
mach-msm/board-trout-mmc.c | 2
mach-msm/gpio-v2.c | 49 ++++++++++----------
mach-msm/gpio.c | 18 +++----
mach-msm/irq-vic.c | 7 +-
mach-msm/irq.c | 7 +-
mach-msm/sirc.c | 11 ++--
mach-mv78xx0/irq.c | 8 +--
mach-mx3/mach-mx31ads.c | 7 +-
mach-mx5/eukrea_mbimx51-baseboard.c | 2
mach-mxs/gpio.c | 10 ++--
mach-mxs/icoll.c | 3 -
mach-netx/generic.c | 6 +-
mach-ns9xxx/board-a9m9750dev.c | 8 +--
mach-ns9xxx/irq.c | 60 ++----------------------
mach-nuc93x/irq.c | 4 -
mach-omap1/board-osk.c | 6 +-
mach-omap1/board-palmz71.c | 8 +--
mach-omap1/board-voiceblue.c | 8 +--
mach-omap1/fpga.c | 10 ++--
mach-omap1/irq.c | 4 -
mach-omap2/gpmc.c | 2
mach-omap2/irq.c | 3 -
mach-orion5x/db88f5281-setup.c | 4 -
mach-orion5x/irq.c | 8 +--
mach-orion5x/rd88f5182-setup.c | 4 -
mach-orion5x/terastation_pro2-setup.c | 2
mach-orion5x/ts209-setup.c | 4 -
mach-pnx4008/irq.c | 10 ++--
mach-pxa/balloon3.c | 8 +--
mach-pxa/cm-x2xx-pci.c | 5 +-
mach-pxa/cm-x300.c | 2
mach-pxa/irq.c | 12 ++--
mach-pxa/lpd270.c | 8 +--
mach-pxa/lubbock.c | 8 +--
mach-pxa/mainstone.c | 8 +--
mach-pxa/pcm990-baseboard.c | 8 +--
mach-pxa/pxa3xx.c | 4 -
mach-pxa/viper.c | 8 +--
mach-pxa/zeus.c | 19 ++++---
mach-rpc/irq.c | 14 ++---
mach-s3c2410/bast-irq.c | 6 +-
mach-s3c2412/irq.c | 12 ++--
mach-s3c2416/irq.c | 8 +--
mach-s3c2440/irq.c | 10 ++--
mach-s3c2440/s3c244x-irq.c | 14 ++---
mach-s3c2443/irq.c | 8 +--
mach-s3c64xx/irq-eint.c | 13 ++---
mach-sa1100/cerf.c | 2
mach-sa1100/irq.c | 16 +++---
mach-sa1100/neponset.c | 8 +--
mach-sa1100/pleb.c | 2
mach-shark/irq.c | 3 -
mach-shmobile/board-ap4evb.c | 4 -
mach-shmobile/board-mackerel.c | 6 +-
mach-shmobile/intc-sh7367.c | 6 +-
mach-shmobile/intc-sh7372.c | 6 +-
mach-shmobile/intc-sh7377.c | 6 +-
mach-tcc8k/irq.c | 6 +-
mach-tegra/gpio.c | 83 ++++------------------------------
mach-tegra/include/mach/suspend.h | 2
mach-tegra/irq.c | 5 --
mach-ux500/modem-irq-db5500.c | 3 -
mach-versatile/core.c | 6 +-
mach-vt8500/irq.c | 14 ++---
mach-w90x900/irq.c | 4 -
plat-mxc/3ds_debugboard.c | 14 +----
plat-mxc/avic.c | 4 -
plat-mxc/gpio.c | 24 +++++----
plat-mxc/irq-common.c | 4 -
plat-mxc/tzic.c | 4 -
plat-nomadik/gpio.c | 50 +++++++++++---------
plat-omap/gpio.c | 31 ++++--------
plat-orion/gpio.c | 31 +++++-------
plat-orion/irq.c | 8 +--
plat-pxa/gpio.c | 6 +-
plat-s3c24xx/irq.c | 43 ++++++++---------
plat-s5p/irq-eint.c | 7 +-
plat-s5p/irq-gpioint.c | 22 ++++-----
plat-samsung/irq-uart.c | 10 +---
plat-samsung/irq-vic-timer.c | 13 ++---
plat-samsung/wakeup-mask.c | 8 +--
plat-spear/shirq.c | 12 ++--
plat-stmp3xxx/irq.c | 3 -
plat-stmp3xxx/pinmux.c | 13 ++---
147 files changed, 714 insertions(+), 941 deletions(-)
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* [patch 01/23] arm: Ns9xxx: Remove private irq flow handler
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
@ 2011-03-25 13:21 ` Thomas Gleixner
2011-03-25 13:21 ` [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
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From: Thomas Gleixner @ 2011-03-25 13:21 UTC (permalink / raw)
To: linux-arm-kernel
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* [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
2011-03-25 13:21 ` [patch 01/23] arm: Ns9xxx: Remove private irq flow handler Thomas Gleixner
@ 2011-03-25 13:21 ` Thomas Gleixner
2011-03-26 20:12 ` Varun Wadekar
2011-03-25 13:21 ` [patch 03/23] arm: Use genirq lockdep helper to set lock class Thomas Gleixner
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* [patch 03/23] arm: Use genirq lockdep helper to set lock class
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
2011-03-25 13:21 ` [patch 01/23] arm: Ns9xxx: Remove private irq flow handler Thomas Gleixner
2011-03-25 13:21 ` [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
@ 2011-03-25 13:21 ` Thomas Gleixner
2011-03-25 13:21 ` [patch 04/23] arm: Use irq flag setter function Thomas Gleixner
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* [patch 04/23] arm: Use irq flag setter function
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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2011-03-25 13:21 ` [patch 03/23] arm: Use genirq lockdep helper to set lock class Thomas Gleixner
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2011-03-25 13:21 ` [patch 05/23] arm: msm: Convert to new irq chip functions Thomas Gleixner
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* [patch 05/23] arm: msm: Convert to new irq chip functions
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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2011-03-25 13:21 ` [patch 04/23] arm: Use irq flag setter function Thomas Gleixner
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2011-03-25 13:21 ` [patch 06/23] arm: Cleanup irq_desc access Thomas Gleixner
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* [patch 06/23] arm: Cleanup irq_desc access
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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2011-03-25 13:21 ` [patch 07/23] arm: plat-samsung: Use proper irq accessor functions Thomas Gleixner
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* [patch 07/23] arm: plat-samsung: Use proper irq accessor functions
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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* [patch 08/23] arm: stmp3xxx: Use generic_handle_irq()
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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* [patch 09/23] arm: nomadik: Use local irq state
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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* [patch 10/23] arm: plat-omap: Cleanup irq_desc access
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
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* [patch 11/23] arm: msm: Use proper irq accessor functions
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* [patch 20/23] arm: Use generic show_interrupts()
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
` (18 preceding siblings ...)
2011-03-25 13:22 ` [patch 19/23] arm: dove: Use proper irq " Thomas Gleixner
@ 2011-03-25 13:22 ` Thomas Gleixner
2011-03-25 13:22 ` [patch 22/23] arm: Reorder irq_set_ function calls Thomas Gleixner
` (2 subsequent siblings)
22 siblings, 0 replies; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-25 13:22 UTC (permalink / raw)
To: linux-arm-kernel
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* [patch 22/23] arm: Reorder irq_set_ function calls
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
` (19 preceding siblings ...)
2011-03-25 13:22 ` [patch 20/23] arm: Use generic show_interrupts() Thomas Gleixner
@ 2011-03-25 13:22 ` Thomas Gleixner
2011-03-25 13:22 ` [patch 23/23] arm: Fold irq_set_chip/irq_set_handler Thomas Gleixner
2011-03-25 13:22 ` [patch 21/23] arm: Cleanup the irq namespace Thomas Gleixner
22 siblings, 0 replies; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-25 13:22 UTC (permalink / raw)
To: linux-arm-kernel
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* [patch 23/23] arm: Fold irq_set_chip/irq_set_handler
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
` (20 preceding siblings ...)
2011-03-25 13:22 ` [patch 22/23] arm: Reorder irq_set_ function calls Thomas Gleixner
@ 2011-03-25 13:22 ` Thomas Gleixner
2011-03-25 13:22 ` [patch 21/23] arm: Cleanup the irq namespace Thomas Gleixner
22 siblings, 0 replies; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-25 13:22 UTC (permalink / raw)
To: linux-arm-kernel
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* [patch 21/23] arm: Cleanup the irq namespace
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
` (21 preceding siblings ...)
2011-03-25 13:22 ` [patch 23/23] arm: Fold irq_set_chip/irq_set_handler Thomas Gleixner
@ 2011-03-25 13:22 ` Thomas Gleixner
2011-04-18 17:43 ` H Hartley Sweeten
22 siblings, 1 reply; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-25 13:22 UTC (permalink / raw)
To: linux-arm-kernel
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Name: arm-genirq-namespace-cleanup.patch
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^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 17/23] arm: at91: Cleanup irq chip
2011-03-25 13:22 ` [patch 17/23] arm: at91: Cleanup irq chip Thomas Gleixner
@ 2011-03-25 21:03 ` Thomas Gleixner
2011-03-27 15:02 ` Sergei Shtylyov
0 siblings, 1 reply; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-25 21:03 UTC (permalink / raw)
To: linux-arm-kernel
On Fri, 25 Mar 2011, Thomas Gleixner wrote:
> Avoid the whole lazy disable dance in the demux handler by providing a
> irq_disable() callback.
>
> Use the proper accessor functions and tidy up gpio_irq_handler()
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
> arch/arm/mach-at91/gpio.c | 31 +++++++++----------------------
> 1 file changed, 9 insertions(+), 22 deletions(-)
>
> Index: linux-2.6-tip/arch/arm/mach-at91/gpio.c
> ===================================================================
> --- linux-2.6-tip.orig/arch/arm/mach-at91/gpio.c
> +++ linux-2.6-tip/arch/arm/mach-at91/gpio.c
> @@ -375,6 +375,7 @@ static int gpio_irq_type(struct irq_data
>
> static struct irq_chip gpio_irqchip = {
> .name = "GPIO",
> + .irq_disable = gpio_irq_mask,
> .irq_mask = gpio_irq_mask,
> .irq_unmask = gpio_irq_unmask,
> .irq_set_type = gpio_irq_type,
> @@ -384,16 +385,14 @@ static struct irq_chip gpio_irqchip = {
> static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
> {
> unsigned pin;
> - struct irq_desc *gpio;
> - struct at91_gpio_chip *at91_gpio;
> - void __iomem *pio;
> + struct irq_data *idata = irq_desc_get_irq_data(desc);
> + struct irq_chip *chip = irq_data_get_chip(data);
> + struct at91_gpio_chip *at91_gpio = irq_data_get_chip_data(data);
Sorry, needs to be
+ struct at91_gpio_chip *at91_gpio = irq_data_get_irq_chip_data(data);
Will fix and resend.
Thanks,
tglx
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc
2011-03-25 13:21 ` [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
@ 2011-03-26 20:12 ` Varun Wadekar
2011-03-26 20:24 ` Thomas Gleixner
0 siblings, 1 reply; 32+ messages in thread
From: Varun Wadekar @ 2011-03-26 20:12 UTC (permalink / raw)
To: linux-arm-kernel
Thomas, then how do you think we should handle restoring of gpio states
across suspend-resume cycles?
On Friday 25 March 2011 06:51 PM, Thomas Gleixner wrote:
> These functions are unused and in the way of cleanups in the core
> code. If you have special requirements vs. irqs and PM then please
> talk to me. Access to the generic core internals is going away.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Colin Cross <ccross@android.com>
> Cc: linux-tegra at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> ---
> arch/arm/mach-tegra/gpio.c | 63 -----------------------------
> arch/arm/mach-tegra/include/mach/suspend.h | 2
> 2 files changed, 65 deletions(-)
>
> Index: linux-2.6/arch/arm/mach-tegra/gpio.c
> ===================================================================
> --- linux-2.6.orig/arch/arm/mach-tegra/gpio.c
> +++ linux-2.6/arch/arm/mach-tegra/gpio.c
> @@ -254,69 +254,6 @@ static void tegra_gpio_irq_handler(unsig
> }
>
> #ifdef CONFIG_PM
> -void tegra_gpio_resume(void)
> -{
> - unsigned long flags;
> - int b, p, i;
> -
> - local_irq_save(flags);
> -
> - for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
> - struct tegra_gpio_bank *bank = &tegra_gpio_banks[b];
> -
> - for (p = 0; p < ARRAY_SIZE(bank->oe); p++) {
> - unsigned int gpio = (b<<5) | (p<<3);
> - __raw_writel(bank->cnf[p], GPIO_CNF(gpio));
> - __raw_writel(bank->out[p], GPIO_OUT(gpio));
> - __raw_writel(bank->oe[p], GPIO_OE(gpio));
> - __raw_writel(bank->int_lvl[p], GPIO_INT_LVL(gpio));
> - __raw_writel(bank->int_enb[p], GPIO_INT_ENB(gpio));
> - }
> - }
> -
> - local_irq_restore(flags);
> -
> - for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
> - struct irq_desc *desc = irq_to_desc(i);
> - if (!desc || (desc->status & IRQ_WAKEUP))
> - continue;
> - enable_irq(i);
> - }
> -}
> -
> -void tegra_gpio_suspend(void)
> -{
> - unsigned long flags;
> - int b, p, i;
> -
> - for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
> - struct irq_desc *desc = irq_to_desc(i);
> - if (!desc)
> - continue;
> - if (desc->status & IRQ_WAKEUP) {
> - int gpio = i - INT_GPIO_BASE;
> - pr_debug("gpio %d.%d is wakeup\n", gpio/8, gpio&7);
> - continue;
> - }
> - disable_irq(i);
> - }
> -
> - local_irq_save(flags);
> - for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
> - struct tegra_gpio_bank *bank = &tegra_gpio_banks[b];
> -
> - for (p = 0; p < ARRAY_SIZE(bank->oe); p++) {
> - unsigned int gpio = (b<<5) | (p<<3);
> - bank->cnf[p] = __raw_readl(GPIO_CNF(gpio));
> - bank->out[p] = __raw_readl(GPIO_OUT(gpio));
> - bank->oe[p] = __raw_readl(GPIO_OE(gpio));
> - bank->int_enb[p] = __raw_readl(GPIO_INT_ENB(gpio));
> - bank->int_lvl[p] = __raw_readl(GPIO_INT_LVL(gpio));
> - }
> - }
> - local_irq_restore(flags);
> -}
> -
> static int tegra_gpio_wake_enable(struct irq_data *d, unsigned int enable)
> {
> struct tegra_gpio_bank *bank = irq_data_get_irq_chip_data(d);
> Index: linux-2.6/arch/arm/mach-tegra/include/mach/suspend.h
> ===================================================================
> --- linux-2.6.orig/arch/arm/mach-tegra/include/mach/suspend.h
> +++ linux-2.6/arch/arm/mach-tegra/include/mach/suspend.h
> @@ -23,14 +23,12 @@
>
> void tegra_pinmux_suspend(void);
> void tegra_irq_suspend(void);
> -void tegra_gpio_suspend(void);
> void tegra_clk_suspend(void);
> void tegra_dma_suspend(void);
> void tegra_timer_suspend(void);
>
> void tegra_pinmux_resume(void);
> void tegra_irq_resume(void);
> -void tegra_gpio_resume(void);
> void tegra_clk_resume(void);
> void tegra_dma_resume(void);
> void tegra_timer_resume(void);
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc
2011-03-26 20:12 ` Varun Wadekar
@ 2011-03-26 20:24 ` Thomas Gleixner
2011-03-26 22:37 ` Colin Cross
0 siblings, 1 reply; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-26 20:24 UTC (permalink / raw)
To: linux-arm-kernel
On Sun, 27 Mar 2011, Varun Wadekar wrote:
>
> Thomas, then how do you think we should handle restoring of gpio states
> across suspend-resume cycles?
That code is unused. Period. No caller, nothing nada. So what does it
handle?
> > -
> > - for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
> > - struct irq_desc *desc = irq_to_desc(i);
> > - if (!desc || (desc->status & IRQ_WAKEUP))
> > - continue;
> > - enable_irq(i);
> > - }
And this part is totally unacceptable and should have never been
merged. Further it is in the way of cleanups to the core code and as
there is no user I'm not willing to even think about what it does and
why it is there.
FYI, the core code deals with interrupt suspending/resuming
already. So if there is a problem with that which does not cover your
specific problem, then you better talk to me before hacking up such
private workarounds and expecting that I tolerate them in unused code.
Thanks,
tglx
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc
2011-03-26 20:24 ` Thomas Gleixner
@ 2011-03-26 22:37 ` Colin Cross
2011-03-27 8:07 ` Thomas Gleixner
0 siblings, 1 reply; 32+ messages in thread
From: Colin Cross @ 2011-03-26 22:37 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, Mar 26, 2011 at 1:24 PM, Thomas Gleixner <tglx@linutronix.de> wrote:
> On Sun, 27 Mar 2011, Varun Wadekar wrote:
>>
>> Thomas, then how do you think we should handle restoring of gpio states
>> across suspend-resume cycles?
>
> That code is unused. Period. No caller, nothing nada. So what does it
> handle?
Tegra suspend support didn't make it into 2.6.39, but should get
merged in 2.6.40, and will call tegra_gpio_suspend/resume.
>> > -
>> > - ? for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
>> > - ? ? ? ? ? struct irq_desc *desc = irq_to_desc(i);
>> > - ? ? ? ? ? if (!desc || (desc->status & IRQ_WAKEUP))
>> > - ? ? ? ? ? ? ? ? ? continue;
>> > - ? ? ? ? ? enable_irq(i);
>> > - ? }
>
> And this part is totally unacceptable and should have never been
> merged. Further it is in the way of cleanups to the core code and as
> there is no user I'm not willing to even think about what it does and
> why it is there.
>
> FYI, the core code deals with interrupt suspending/resuming
> already. So if there is a problem with that which does not cover your
> specific problem, then you better talk to me before hacking up such
> private workarounds and expecting that I tolerate them in unused code.
Yes, the existing code wrong, and unnecessary. It was copied from
mach-tegra/irq.c, which I later fixed, but I missed this one. I'll
take this patch for 2.6.39-rc1, which will prevent merge conflicts
between your tree and the tegra tree in 2.6.40.
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc
2011-03-26 22:37 ` Colin Cross
@ 2011-03-27 8:07 ` Thomas Gleixner
0 siblings, 0 replies; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-27 8:07 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, 26 Mar 2011, Colin Cross wrote:
> On Sat, Mar 26, 2011 at 1:24 PM, Thomas Gleixner <tglx@linutronix.de> wrote:
> > On Sun, 27 Mar 2011, Varun Wadekar wrote:
> >>
> >> Thomas, then how do you think we should handle restoring of gpio states
> >> across suspend-resume cycles?
> >
> > That code is unused. Period. No caller, nothing nada. So what does it
> > handle?
>
> Tegra suspend support didn't make it into 2.6.39, but should get
> merged in 2.6.40, and will call tegra_gpio_suspend/resume.
>
> >> > -
> >> > - ? for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
> >> > - ? ? ? ? ? struct irq_desc *desc = irq_to_desc(i);
> >> > - ? ? ? ? ? if (!desc || (desc->status & IRQ_WAKEUP))
> >> > - ? ? ? ? ? ? ? ? ? continue;
> >> > - ? ? ? ? ? enable_irq(i);
> >> > - ? }
> >
> > And this part is totally unacceptable and should have never been
> > merged. Further it is in the way of cleanups to the core code and as
> > there is no user I'm not willing to even think about what it does and
> > why it is there.
> >
> > FYI, the core code deals with interrupt suspending/resuming
> > already. So if there is a problem with that which does not cover your
> > specific problem, then you better talk to me before hacking up such
> > private workarounds and expecting that I tolerate them in unused code.
>
> Yes, the existing code wrong, and unnecessary. It was copied from
> mach-tegra/irq.c, which I later fixed, but I missed this one. I'll
> take this patch for 2.6.39-rc1, which will prevent merge conflicts
> between your tree and the tegra tree in 2.6.40.
You can keep the functions if you need them anyway, but the irq
fiddling needs to go now as it blocks core code cleanups.
Thanks,
tglx
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 17/23] arm: at91: Cleanup irq chip
2011-03-25 21:03 ` Thomas Gleixner
@ 2011-03-27 15:02 ` Sergei Shtylyov
2011-03-27 15:47 ` Thomas Gleixner
0 siblings, 1 reply; 32+ messages in thread
From: Sergei Shtylyov @ 2011-03-27 15:02 UTC (permalink / raw)
To: linux-arm-kernel
Hello.
On 26-03-2011 0:03, Thomas Gleixner wrote:
>> Avoid the whole lazy disable dance in the demux handler by providing a
>> irq_disable() callback.
>> Use the proper accessor functions and tidy up gpio_irq_handler()
>> Signed-off-by: Thomas Gleixner<tglx@linutronix.de>
[...]
>> Index: linux-2.6-tip/arch/arm/mach-at91/gpio.c
>> ===================================================================
>> --- linux-2.6-tip.orig/arch/arm/mach-at91/gpio.c
>> +++ linux-2.6-tip/arch/arm/mach-at91/gpio.c
[...]
>> @@ -384,16 +385,14 @@ static struct irq_chip gpio_irqchip = {
>> static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
>> {
>> unsigned pin;
>> - struct irq_desc *gpio;
>> - struct at91_gpio_chip *at91_gpio;
>> - void __iomem *pio;
>> + struct irq_data *idata = irq_desc_get_irq_data(desc);
>> + struct irq_chip *chip = irq_data_get_chip(data);
>> + struct at91_gpio_chip *at91_gpio = irq_data_get_chip_data(data);
> Sorry, needs to be
> + struct at91_gpio_chip *at91_gpio = irq_data_get_irq_chip_data(data);
> Will fix and resend.
You also don't have 'data' defined anywhere, maybe you meant '?data'?
WBR, Sergei
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 17/23] arm: at91: Cleanup irq chip
2011-03-27 15:02 ` Sergei Shtylyov
@ 2011-03-27 15:47 ` Thomas Gleixner
0 siblings, 0 replies; 32+ messages in thread
From: Thomas Gleixner @ 2011-03-27 15:47 UTC (permalink / raw)
To: linux-arm-kernel
On Sun, 27 Mar 2011, Sergei Shtylyov wrote:
> Hello.
>
> On 26-03-2011 0:03, Thomas Gleixner wrote:
>
> > > Avoid the whole lazy disable dance in the demux handler by providing a
> > > irq_disable() callback.
>
> > > Use the proper accessor functions and tidy up gpio_irq_handler()
>
> > > Signed-off-by: Thomas Gleixner<tglx@linutronix.de>
> [...]
>
> > > Index: linux-2.6-tip/arch/arm/mach-at91/gpio.c
> > > ===================================================================
> > > --- linux-2.6-tip.orig/arch/arm/mach-at91/gpio.c
> > > +++ linux-2.6-tip/arch/arm/mach-at91/gpio.c
> [...]
> > > @@ -384,16 +385,14 @@ static struct irq_chip gpio_irqchip = {
> > > static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
> > > {
> > > unsigned pin;
> > > - struct irq_desc *gpio;
> > > - struct at91_gpio_chip *at91_gpio;
> > > - void __iomem *pio;
> > > + struct irq_data *idata = irq_desc_get_irq_data(desc);
> > > + struct irq_chip *chip = irq_data_get_chip(data);
> > > + struct at91_gpio_chip *at91_gpio = irq_data_get_chip_data(data);
>
> > Sorry, needs to be
>
> > + struct at91_gpio_chip *at91_gpio = irq_data_get_irq_chip_data(data);
>
> > Will fix and resend.
>
> You also don't have 'data' defined anywhere, maybe you meant '?data'?
I know, the compiler already slapped me.
^ permalink raw reply [flat|nested] 32+ messages in thread
* [patch 21/23] arm: Cleanup the irq namespace
2011-03-25 13:22 ` [patch 21/23] arm: Cleanup the irq namespace Thomas Gleixner
@ 2011-04-18 17:43 ` H Hartley Sweeten
0 siblings, 0 replies; 32+ messages in thread
From: H Hartley Sweeten @ 2011-04-18 17:43 UTC (permalink / raw)
To: linux-arm-kernel
On Friday, March 25, 2011 6:22 AM, Thomas Gleixner wrote:
>
> Convert to the new function names. Automated with coccinelle.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
arch/arm/mach-ep93xx/gpio.c | 31 +++++++++++------
> Index: linux-2.6-tip/arch/arm/mach-ep93xx/gpio.c
> ===================================================================
> --- linux-2.6-tip.orig/arch/arm/mach-ep93xx/gpio.c
> +++ linux-2.6-tip/arch/arm/mach-ep93xx/gpio.c
> @@ -231,20 +231,29 @@ void __init ep93xx_gpio_init_irq(void)
>
> for (gpio_irq = gpio_to_irq(0);
> gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) {
> - set_irq_chip(gpio_irq, &ep93xx_gpio_irq_chip);
> - set_irq_handler(gpio_irq, handle_level_irq);
> + irq_set_chip(gpio_irq, &ep93xx_gpio_irq_chip);
> + irq_set_handler(gpio_irq, handle_level_irq);
> set_irq_flags(gpio_irq, IRQF_VALID);
> }
>
> - set_irq_chained_handler(IRQ_EP93XX_GPIO_AB, ep93xx_gpio_ab_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO0MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO1MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO2MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO3MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO4MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO5MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO6MUX, ep93xx_gpio_f_irq_handler);
> - set_irq_chained_handler(IRQ_EP93XX_GPIO7MUX, ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO_AB,
> + ep93xx_gpio_ab_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO0MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO1MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO2MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO3MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO4MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO5MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO6MUX,
> + ep93xx_gpio_f_irq_handler);
> + irq_set_chained_handler(IRQ_EP93XX_GPIO7MUX,
> + ep93xx_gpio_f_irq_handler);
> }
This appears to be the same patch as [27/29] arm: Cleanup the irq namespace
Regards,
Hartley
^ permalink raw reply [flat|nested] 32+ messages in thread
end of thread, other threads:[~2011-04-18 17:43 UTC | newest]
Thread overview: 32+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-03-25 13:21 [patch 00/23] ARM: Final genirq cleanup Thomas Gleixner
2011-03-25 13:21 ` [patch 01/23] arm: Ns9xxx: Remove private irq flow handler Thomas Gleixner
2011-03-25 13:21 ` [patch 02/23] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
2011-03-26 20:12 ` Varun Wadekar
2011-03-26 20:24 ` Thomas Gleixner
2011-03-26 22:37 ` Colin Cross
2011-03-27 8:07 ` Thomas Gleixner
2011-03-25 13:21 ` [patch 03/23] arm: Use genirq lockdep helper to set lock class Thomas Gleixner
2011-03-25 13:21 ` [patch 04/23] arm: Use irq flag setter function Thomas Gleixner
2011-03-25 13:21 ` [patch 05/23] arm: msm: Convert to new irq chip functions Thomas Gleixner
2011-03-25 13:21 ` [patch 06/23] arm: Cleanup irq_desc access Thomas Gleixner
2011-03-25 13:21 ` [patch 07/23] arm: plat-samsung: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:21 ` [patch 08/23] arm: stmp3xxx: Use generic_handle_irq() Thomas Gleixner
2011-03-25 13:21 ` [patch 09/23] arm: nomadik: Use local irq state Thomas Gleixner
2011-03-25 13:22 ` [patch 10/23] arm: plat-omap: Cleanup irq_desc access Thomas Gleixner
2011-03-25 13:22 ` [patch 11/23] arm: msm: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 12/23] arm: vt8500: Use proper irq accessors Thomas Gleixner
2011-03-25 13:22 ` [patch 13/23] arm: mxc: Use generic_handle_irq() Thomas Gleixner
2011-03-25 13:22 ` [patch 14/23] arm: gemini: Use proper irq accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 15/23] arm: ep93xx: " Thomas Gleixner
2011-03-25 13:22 ` [patch 16/23] arm: davinci: Cleanup irq chip code Thomas Gleixner
2011-03-25 13:22 ` [patch 17/23] arm: at91: Cleanup irq chip Thomas Gleixner
2011-03-25 21:03 ` Thomas Gleixner
2011-03-27 15:02 ` Sergei Shtylyov
2011-03-27 15:47 ` Thomas Gleixner
2011-03-25 13:22 ` [patch 18/23] arm: gic: Use proper accessor functions Thomas Gleixner
2011-03-25 13:22 ` [patch 19/23] arm: dove: Use proper irq " Thomas Gleixner
2011-03-25 13:22 ` [patch 20/23] arm: Use generic show_interrupts() Thomas Gleixner
2011-03-25 13:22 ` [patch 22/23] arm: Reorder irq_set_ function calls Thomas Gleixner
2011-03-25 13:22 ` [patch 23/23] arm: Fold irq_set_chip/irq_set_handler Thomas Gleixner
2011-03-25 13:22 ` [patch 21/23] arm: Cleanup the irq namespace Thomas Gleixner
2011-04-18 17:43 ` H Hartley Sweeten
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