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Date:   Sat, 23 May 2020 20:30:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Maulik Shah <mkshah@...eaurora.org>, bjorn.andersson@...aro.org,
        maz@...nel.org, linus.walleij@...aro.org, swboyd@...omium.org,
        evgreen@...omium.org, mka@...omium.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, agross@...nel.org, tglx@...utronix.de,
        jason@...edaemon.net, dianders@...omium.org, rnayak@...eaurora.org,
        ilina@...eaurora.org
Subject: Re: [PATCH 1/4] gpio: gpiolib: Allow GPIO IRQs to lazy disable

Hi Maulik,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on gpio/for-next]
[also build test ERROR on pinctrl/devel v5.7-rc6 next-20200522]
[cannot apply to tip/irq/core]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Maulik-Shah/irqchip-qcom-pdc-Introduce-irq_set_wake-call/20200522-212226
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: x86_64-randconfig-a013-20200521 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/gpio/gpiolib.c:2490:22: error: use of undeclared identifier 'chip'
gpiochip_enable_irq(chip, d->hwirq);
^
drivers/gpio/gpiolib.c:2491:2: error: use of undeclared identifier 'chip'
chip->irq.irq_enable(d);
^
drivers/gpio/gpiolib.c:2498:2: error: use of undeclared identifier 'chip'
chip->irq.irq_disable(d);
^
drivers/gpio/gpiolib.c:2499:23: error: use of undeclared identifier 'chip'
gpiochip_disable_irq(chip, d->hwirq);
^
>> drivers/gpio/gpiolib.c:2525:3: error: use of undeclared identifier 'gpiochip'
gpiochip->irq.irq_disable = irqchip->irq_disable;
^
drivers/gpio/gpiolib.c:2528:3: error: use of undeclared identifier 'gpiochip'
gpiochip->irq.irq_mask = irqchip->irq_mask;
^
drivers/gpio/gpiolib.c:2533:3: error: use of undeclared identifier 'gpiochip'
gpiochip->irq.irq_enable = irqchip->irq_enable;
^
drivers/gpio/gpiolib.c:2536:3: error: use of undeclared identifier 'gpiochip'
gpiochip->irq.irq_unmask = irqchip->irq_unmask;
^
8 errors generated.

vim +/chip +2490 drivers/gpio/gpiolib.c

  2485	
  2486	static void gpiochip_irq_enable(struct irq_data *d)
  2487	{
  2488		struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
  2489	
> 2490		gpiochip_enable_irq(chip, d->hwirq);
  2491		chip->irq.irq_enable(d);
  2492	}
  2493	
  2494	static void gpiochip_irq_disable(struct irq_data *d)
  2495	{
  2496		struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
  2497	
  2498		chip->irq.irq_disable(d);
  2499		gpiochip_disable_irq(chip, d->hwirq);
  2500	}
  2501	
  2502	static void gpiochip_set_irq_hooks(struct gpio_chip *gc)
  2503	{
  2504		struct irq_chip *irqchip = gc->irq.chip;
  2505	
  2506		if (!irqchip->irq_request_resources &&
  2507		    !irqchip->irq_release_resources) {
  2508			irqchip->irq_request_resources = gpiochip_irq_reqres;
  2509			irqchip->irq_release_resources = gpiochip_irq_relres;
  2510		}
  2511		if (WARN_ON(gc->irq.irq_enable))
  2512			return;
  2513		/* Check if the irqchip already has this hook... */
  2514		if (irqchip->irq_enable == gpiochip_irq_enable) {
  2515			/*
  2516			 * ...and if so, give a gentle warning that this is bad
  2517			 * practice.
  2518			 */
  2519			chip_info(gc,
  2520				  "detected irqchip that is shared with multiple gpiochips: please fix the driver.\n");
  2521			return;
  2522		}
  2523	
  2524		if (irqchip->irq_disable) {
> 2525			gpiochip->irq.irq_disable = irqchip->irq_disable;
  2526			irqchip->irq_disable = gpiochip_irq_disable;
  2527		} else {
  2528			gpiochip->irq.irq_mask = irqchip->irq_mask;
  2529			irqchip->irq_mask = gpiochip_irq_mask;
  2530		}
  2531	
  2532		if (irqchip->irq_enable) {
  2533			gpiochip->irq.irq_enable = irqchip->irq_enable;
  2534			irqchip->irq_enable = gpiochip_irq_enable;
  2535		} else {
  2536			gpiochip->irq.irq_unmask = irqchip->irq_unmask;
  2537			irqchip->irq_unmask = gpiochip_irq_unmask;
  2538		}
  2539	}
  2540	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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