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ath9k: add a quirk to set use_msi automatically

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Some platform(BIOS) blocks legacy interrupts (INTx), and only allows MSI
for WLAN device. So adding a quirk to list those machines and set
use_msi automatically.
Adding the following platforms to the quirk.
   Dell Inspiron 24-3460
   Dell Inspiron 3472
   Dell Inspiron 14-3473
   Dell Vostro 3262
   Dell Vostro 15-3572

Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
AceLan Kao 2018-01-16 11:43:50 +02:00 committed by Kalle Valo
parent 7368160f0a
commit 3153b68e4d
1 changed files with 53 additions and 0 deletions
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53
drivers/net/wireless/ath/ath9k/init.c
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@ -23,6 +23,7 @@
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/relay.h>
#include <linux/dmi.h>
#include <net/ieee80211_radiotap.h>
#include "ath9k.h"
@ -96,6 +97,56 @@ static const struct ieee80211_tpt_blink ath9k_tpt_blink[] = {
};
#endif
static int __init set_use_msi(const struct dmi_system_id *dmi)
{
ath9k_use_msi = 1;
return 1;
}
static const struct dmi_system_id ath9k_quirks[] __initconst = {
{
.callback = set_use_msi,
.ident = "Dell Inspiron 24-3460",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 24-3460"),
},
},
{
.callback = set_use_msi,
.ident = "Dell Vostro 3262",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3262"),
},
},
{
.callback = set_use_msi,
.ident = "Dell Inspiron 3472",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3472"),
},
},
{
.callback = set_use_msi,
.ident = "Dell Vostro 15-3572",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 15-3572"),
},
},
{
.callback = set_use_msi,
.ident = "Dell Inspiron 14-3473",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 14-3473"),
},
},
{}
};
static void ath9k_deinit_softc(struct ath_softc *sc);
static void ath9k_op_ps_wakeup(struct ath_common *common)
@ -1104,6 +1155,8 @@ static int __init ath9k_init(void)
goto err_pci_exit;
}
dmi_check_system(ath9k_quirks);
return 0;
err_pci_exit: