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authorHans de Goede <hdegoede@redhat.com>2015-06-16 16:27:42 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-06-19 01:10:08 +0200
commita341b8aba13c39fc76aea29fe13ea851df313bd6 (patch)
treead191b62977b477c8df1a5d5c7499a16f1160162 /drivers/platform
parentacf5493c3c36553ada7bc9b6f9569b0a12f9e552 (diff)
apple-gmux: Stop using acpi_video_dmi_demote_vendor()
acpi_video_dmi_demote_vendor() is going away as part of the cleanup of the code for determinging which backlight class driver(s) to register. The call to acpi_video_dmi_demote_vendor() was meant to undo the call to acpi_video_dmi_promote_vendor() when the gmux device is removed, this is questionable though since the promote call sets a flag, not a counter, so the demote call may undo a promoto done elsewhere. Moreover in practice this is a nop since the gmux device is never removed, and the flag is only checked when acpi/video.ko gets loaded, so even if the user manually removes apple-gmux the demote call is still a nop as video.ko will already have loaded by this time. Also note that none of the other users of acpi_video_dmi_promote_vendor() use acpi_video_dmi_demote_vendor(). If we ever encounter a system with a gmux where the acpi-video interface should be used, then the proper fix would be to dmi-blacklist the gmux driver on that system. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/apple-gmux.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 45032cebde71..a7f64126b1b6 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -645,7 +645,6 @@ static void gmux_remove(struct pnp_dev *pnp)
apple_gmux_data = NULL;
kfree(gmux_data);
- acpi_video_dmi_demote_vendor();
acpi_video_register();
apple_bl_register();
}