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authorDavid E. Box <david.e.box@linux.intel.com>2023-04-13 03:32:30 +0200
committerHans de Goede <hdegoede@redhat.com>2023-04-17 12:12:29 +0200
commit14f6f0e3709a8aa987ae78783d2e4d63f88cc13a (patch)
tree6cf8653c32fe0355cff51dddb939e448c695a86e /drivers/platform
parentplatform/x86/intel/pmt: Ignore uninitialized entries (diff)
downloadlinux-14f6f0e3709a8aa987ae78783d2e4d63f88cc13a.tar.xz
linux-14f6f0e3709a8aa987ae78783d2e4d63f88cc13a.zip
platform/x86/intel/sdsi: Change mailbox timeout
On some platforms, it may take up to 400ms for the ready bit to be set in a successful mailbox transaction. Set the timeout to 500ms to cover the worst case. Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230413013230.1521584-1-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/intel/sdsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c
index 9e0ea2cdd704..556e7c6dbb05 100644
--- a/drivers/platform/x86/intel/sdsi.c
+++ b/drivers/platform/x86/intel/sdsi.c
@@ -49,7 +49,7 @@
#define SDSI_MBOX_CMD_SUCCESS 0x40
#define SDSI_MBOX_CMD_TIMEOUT 0x80
-#define MBOX_TIMEOUT_US 2000
+#define MBOX_TIMEOUT_US 500000
#define MBOX_TIMEOUT_ACQUIRE_US 1000
#define MBOX_POLLING_PERIOD_US 100
#define MBOX_ACQUIRE_NUM_RETRIES 5