This is a note to let you know that I've just added the patch titled
serial: 8250_pci: Add support for 12 port Exar boards
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
serial-8250_pci-add-support-for-12-port-exar-boards.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From be32c0cf0462c36f482b5ddcff1d8371be1e183c Mon Sep 17 00:00:00 2001
From: Soeren Grunewald <[email protected]>
Date: Thu, 11 Jun 2015 09:25:04 +0200
Subject: serial: 8250_pci: Add support for 12 port Exar boards
From: Soeren Grunewald <[email protected]>
commit be32c0cf0462c36f482b5ddcff1d8371be1e183c upstream.
The Exar XR17V358 can also be combined with a XR17V354 chip to act as a
single 12 port chip. This works the same way as the combining two XR17V358
chips. But the reported device id then is 0x4358.
Signed-off-by: Soeren Grunewald <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/tty/serial/8250/8250_pci.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1998,6 +1998,7 @@ pci_wch_ch38x_setup(struct serial_privat
#define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250
#define PCIE_DEVICE_ID_WCH_CH384_4S 0x3470
+#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358
#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358
#define PCI_VENDOR_ID_PERICOM 0x12D8
@@ -2515,6 +2516,13 @@ static struct pci_serial_quirk pci_seria
},
{
.vendor = PCI_VENDOR_ID_EXAR,
+ .device = PCI_DEVICE_ID_EXAR_XR17V4358,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_xr17v35x_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_EXAR,
.device = PCI_DEVICE_ID_EXAR_XR17V8358,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
@@ -2999,6 +3007,7 @@ enum pci_board_num_t {
pbn_exar_XR17V352,
pbn_exar_XR17V354,
pbn_exar_XR17V358,
+ pbn_exar_XR17V4358,
pbn_exar_XR17V8358,
pbn_exar_ibm_saturn,
pbn_pasemi_1682M,
@@ -3690,6 +3699,14 @@ static struct pciserial_board pci_boards
.reg_shift = 0,
.first_offset = 0,
},
+ [pbn_exar_XR17V4358] = {
+ .flags = FL_BASE0,
+ .num_ports = 12,
+ .base_baud = 7812500,
+ .uart_offset = 0x400,
+ .reg_shift = 0,
+ .first_offset = 0,
+ },
[pbn_exar_XR17V8358] = {
.flags = FL_BASE0,
.num_ports = 16,
@@ -5133,6 +5150,10 @@ static struct pci_device_id serial_pci_t
PCI_ANY_ID, PCI_ANY_ID,
0,
0, pbn_exar_XR17V358 },
+ { PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17V4358,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0,
+ 0, pbn_exar_XR17V4358 },
{ PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17V8358,
PCI_ANY_ID, PCI_ANY_ID,
0,
Patches currently in stable-queue which might be from [email protected]
are
queue-4.1/serial-8250_pci-add-support-for-12-port-exar-boards.patch
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