Re: [PATCH 01/10] input: keyboard: adp5588-keys: support gpi key events as 'gpio keys'

[kernel test robot <lkp@intel.com>]

Hi "Nuno,

I love your patch! Perhaps something to improve:

[auto build test WARNING on dtor-input/next]
[also build test WARNING on next-20220711]
[cannot apply to brgl/gpio/for-next hid/for-next linus/master v5.19-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Nuno-S/adp5588-keys-refactor-and-fw-properties-support/20220708-173730
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220712/202207121357.JpS5DGdP-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

smatch warnings:
drivers/input/keyboard/adp5588-keys.c:342 adp5588_gpio_irq_handle() warn: unsigned 'hwirq' is never less than zero.

vim +/hwirq +342 drivers/input/keyboard/adp5588-keys.c

   333	
   334	static void adp5588_gpio_irq_handle(struct adp5588_kpad *kpad, int key_val,
   335					    int key_press)
   336	{
   337		unsigned int irq, gpio = key_val - GPI_PIN_BASE, irq_type, hwirq;
   338		struct i2c_client *client = kpad->client;
   339		struct irq_data *desc;
   340	
   341		hwirq = adp5588_gpiomap_get_hwirq(kpad->gpiomap, gpio, kpad->gc.ngpio);
 > 342		if (hwirq < 0) {
   343			dev_err(&client->dev, "Could not get hwirq for key(%u)\n", key_val);
   344			return;
   345		}
   346	
   347		irq = irq_find_mapping(kpad->gc.irq.domain, hwirq);
   348		if (irq <= 0)
   349			return;
   350	
   351		desc = irq_get_irq_data(irq);
   352		if (!desc) {
   353			dev_err(&client->dev, "Could not get irq(%u) data\n", irq);
   354			return;
   355		}
   356	
   357		irq_type = irqd_get_trigger_type(desc);
   358	
   359		/*
   360		 * Default is active low which means key_press is asserted on
   361		 * the falling edge.
   362		 */
   363		if ((irq_type & IRQ_TYPE_EDGE_RISING && !key_press) ||
   364		    (irq_type & IRQ_TYPE_EDGE_FALLING && key_press))
   365			handle_nested_irq(irq);
   366	}
   367	

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