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MdeModulePkg/UsbBusDxe: Manufacturer String Descriptor Caching

Certain devices require immediate follow-up commands after reading the LANGID
string to fetch Manufacturer, Product, or SerialNumber strings.

[Suggested Solution]
These strings are now cached after initial retrieval to allow
UsbIoGetStringDescriptor() to return them directly, improving efficiency
and stability.

Signed-off-by: Marlboro_Chuang marlboro.chuang@dell.com

Certain devices require immediate follow-up commands after reading the LANGID
string to fetch Manufacturer, Product, or SerialNumber strings.

[Suggested Solution]
These strings are now cached after initial retrieval to allow
UsbIoGetStringDescriptor() to return them directly, improving efficiency
and stability.

Signed-off-by: Marlboro_Chuang <marlboro.chuang@dell.com>
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