ipmi_si: Avoid spurious errors for optional IRQs

Although the IRQ assignment in ipmi_si driver is optional,
platform_get_irq() spews error messages unnecessarily:
  ipmi_si dmi-ipmi-si.0: IRQ index 0 not found

Fix this by switching to platform_get_irq_optional().

Cc: stable@vger.kernel.org # 5.4.x
Cc: John Donnelly <john.p.donnelly@oracle.com>
Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()")
Reported-and-tested-by: Patrick Vo <patrick.vo@hpe.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-Id: <20200205093146.1352-1-tiwai@suse.de>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c
index c78127c..638c693 100644 (file)
--- a/drivers/char/ipmi/ipmi_si_platform.c
+++ b/drivers/char/ipmi/ipmi_si_platform.c
@@ -194,7 +194,7 @@ static int platform_ipmi_probe(struct platform_device *pdev)
        else
                io.slave_addr = slave_addr;
 
-       io.irq = platform_get_irq(pdev, 0);
+       io.irq = platform_get_irq_optional(pdev, 0);
        if (io.irq > 0)
                io.irq_setup = ipmi_std_irq_setup;
        else
@@ -378,7 +378,7 @@ static int acpi_ipmi_probe(struct platform_device *pdev)
                io.irq = tmp;
                io.irq_setup = acpi_gpe_irq_setup;
        } else {
-               int irq = platform_get_irq(pdev, 0);
+               int irq = platform_get_irq_optional(pdev, 0);
 
                if (irq > 0) {
                        io.irq = irq;