pinctrl: cy8c95x0: Avoid returning positive values to user space

[ Upstream commit 5ad32c3 ]

When probe fails due to unclear interrupt status register, it returns
a positive number instead of the proper error code. Fix this accordingly.

Fixes: e6cbbe4 ("pinctrl: Add Cypress cy8c95x0 support")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202602271847.vVWkqLBD-lkp@intel.com/
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: andy-shev

drivers/pinctrl/pinctrl-cy8c95x0.c

@@ -1320,7 +1320,7 @@ static int cy8c95x0_irq_setup(struct cy8c95x0_pinctrl *chip, int irq)
 	/* Read IRQ status register to clear all pending interrupts */
 	ret = cy8c95x0_irq_pending(chip, pending_irqs);
 	if (ret)
-		return dev_err_probe(dev, ret, "failed to clear irq status register\n");
+		return dev_err_probe(dev, -EBUSY, "failed to clear irq status register\n");
 
 	/* Mask all interrupts */
 	bitmap_fill(chip->irq_mask, MAX_LINE);