usb: xhci: remove redundant variable 'erst_size'
'erst_size' represents the maximum capacity of entries that ERST can hold, while 'num_entries' indicates the actual number of entries currently held in the ERST. These two values are identical because the xhci driver does not support ERST expansion. Thus, 'erst_size' is removed. Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20240429140245.3955523-7-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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