mei: vsc: Prevent timeout error with added delay post-firmware download
After completing the firmware download, the firmware requires some time to become functional. This change introduces additional sleep time before the first read operation to prevent a confusing timeout error in vsc_tp_xfer(). Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device") Cc: stable@vger.kernel.org # for 6.8+ Signed-off-by: Wentong Wu <wentong.wu@intel.com> Tested-by: Jason Chen <jason.z.chen@intel.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Link: https://lore.kernel.org/r/20240625081047.4178494-3-wentong.wu@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -28,8 +28,8 @@
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#define MEI_VSC_MAX_MSG_SIZE 512
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#define MEI_VSC_POLL_DELAY_US (50 * USEC_PER_MSEC)
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#define MEI_VSC_POLL_TIMEOUT_US (200 * USEC_PER_MSEC)
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#define MEI_VSC_POLL_DELAY_US (100 * USEC_PER_MSEC)
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#define MEI_VSC_POLL_TIMEOUT_US (400 * USEC_PER_MSEC)
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#define mei_dev_to_vsc_hw(dev) ((struct mei_vsc_hw *)((dev)->hw))
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