linux-kernel - [PATCH 1/2] MCB: add support for SC31 to mcb-lpc

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Date:   Tue, 29 Aug 2017 14:47:24 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Michael Moese <michael.moese@....de>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        stable@...r.kernel.org, Johannes Thumshirn <jthumshirn@...e.de>
Subject: [PATCH 1/2] MCB: add support for SC31 to mcb-lpc

From: Michael Moese <michael.moese@....de>

This patch adds the resources and DMI ID's for the MEN SC31,
which uses a different address region to map the LPC bus than
the one used for the existing SC24.

Signed-off-by: Michael Moese <michael.moese@....de>
[jth add stable tag]
Cc: <stable@...r.kernel.org> (v4.9+)
Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
---
 drivers/mcb/mcb-lpc.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c
index d072c088ce73..945091a88354 100644
--- a/drivers/mcb/mcb-lpc.c
+++ b/drivers/mcb/mcb-lpc.c
@@ -114,6 +114,12 @@ static struct resource sc24_fpga_resource = {
 	.flags = IORESOURCE_MEM,
 };
 
+static struct resource sc31_fpga_resource = {
+	.start = 0xf000e000,
+	.end = 0xf000e000 + CHAM_HEADER_SIZE,
+	.flags = IORESOURCE_MEM,
+};
+
 static struct platform_driver mcb_lpc_driver = {
 	.driver		= {
 		.name = "mcb-lpc",
@@ -132,6 +138,15 @@ static const struct dmi_system_id mcb_lpc_dmi_table[] = {
 		.driver_data = (void *)&sc24_fpga_resource,
 		.callback = mcb_lpc_create_platform_device,
 	},
+	{
+		.ident = "SC31",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "MEN"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "14SC31"),
+		},
+		.driver_data = (void *)&sc31_fpga_resource,
+		.callback = mcb_lpc_create_platform_device,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(dmi, mcb_lpc_dmi_table);
-- 
2.12.3