linux-kernel - [PATCH 5.4 049/177] serial: 8250_pci: Add support for new HPE serial device

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Message-Id: <20210531130649.622225112@linuxfoundation.org>
Date:   Mon, 31 May 2021 15:13:26 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jerry Hoemann <jerry.hoemann@....com>,
        Randy Wright <rwright@....com>
Subject: [PATCH 5.4 049/177] serial: 8250_pci: Add support for new HPE serial device

From: Randy Wright <rwright@....com>

commit e0e24208792080135248f23fdf6d51aa2e04df05 upstream.

Add support for new HPE serial device.  It is MSI enabled,
but otherwise similar to legacy HP server serial devices.

Tested-by: Jerry Hoemann <jerry.hoemann@....com>
Signed-off-by: Randy Wright <rwright@....com>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/1621009614-28836-1-git-send-email-rwright@hpe.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/tty/serial/8250/8250_pci.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -58,6 +58,8 @@ struct serial_private {
 	int			line[0];
 };
 
+#define PCI_DEVICE_ID_HPE_PCI_SERIAL	0x37e
+
 static const struct pci_device_id pci_use_msi[] = {
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
 			 0xA000, 0x1000) },
@@ -65,6 +67,8 @@ static const struct pci_device_id pci_us
 			 0xA000, 0x1000) },
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9922,
 			 0xA000, 0x1000) },
+	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL,
+			 PCI_ANY_ID, PCI_ANY_ID) },
 	{ }
 };
 
@@ -1966,6 +1970,16 @@ static struct pci_serial_quirk pci_seria
 		.setup		= pci_hp_diva_setup,
 	},
 	/*
+	 * HPE PCI serial device
+	 */
+	{
+		.vendor         = PCI_VENDOR_ID_HP_3PAR,
+		.device         = PCI_DEVICE_ID_HPE_PCI_SERIAL,
+		.subvendor      = PCI_ANY_ID,
+		.subdevice      = PCI_ANY_ID,
+		.setup		= pci_hp_diva_setup,
+	},
+	/*
 	 * Intel
 	 */
 	{
@@ -4932,6 +4946,10 @@ static const struct pci_device_id serial
 	{	PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_DIVA_AUX,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_b2_1_115200 },
+	/* HPE PCI serial device */
+	{	PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b1_1_115200 },
 
 	{	PCI_VENDOR_ID_DCI, PCI_DEVICE_ID_DCI_PCCOM2,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,