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Fix for omap1 ams-delta irq

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We need to use IRQ_NOTCONNECTED instead of -EINVAL for
 ams_delta_modem_ports irq.
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Merge tag 'omap-for-v4.20/omap1-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fix for omap1 ams-delta irq

We need to use IRQ_NOTCONNECTED instead of -EINVAL for
ams_delta_modem_ports irq.

* tag 'omap-for-v4.20/omap1-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP1: ams-delta: Fix impossible .irq < 0

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2018-11-02 22:31:40 -07:00
commit 8008cc78d3
1 changed files with 2 additions and 6 deletions
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8
arch/arm/mach-omap1/board-ams-delta.c
View File

@ -773,7 +773,7 @@ static struct plat_serial8250_port ams_delta_modem_ports[] = {
{
.membase = IOMEM(MODEM_VIRT),
.mapbase = MODEM_PHYS,
.irq = -EINVAL, /* changed later */
.irq = IRQ_NOTCONNECTED, /* changed later */
.flags = UPF_BOOT_AUTOCONF,
.irqflags = IRQF_TRIGGER_RISING,
.iotype = UPIO_MEM,
@ -864,8 +864,7 @@ static int __init modem_nreset_init(void)
/*
* This function expects MODEM IRQ number already assigned to the port
* and fails if it's not.
* This function expects MODEM IRQ number already assigned to the port.
* The MODEM device requires its RESET# pin kept high during probe.
* That requirement can be fulfilled in several ways:
* - with a descriptor of already functional modem_nreset regulator
@ -888,9 +887,6 @@ static int __init ams_delta_modem_init(void)
if (!machine_is_ams_delta())
return -ENODEV;
if (ams_delta_modem_ports[0].irq < 0)
return ams_delta_modem_ports[0].irq;
omap_cfg_reg(M14_1510_GPIO2);
/* Initialize the modem_nreset regulator consumer before use */