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misc: cxl: flash: Remove unused variable 'drc_index'

Keeping the pointer increment though.

Fixes the following W=1 kernel build warning:

drivers/misc/cxl/flash.c: In function ‘update_devicetree’:
drivers/misc/cxl/flash.c:178:16: warning: variable ‘drc_index’ set but not used [-Wunused-but-set-variable]
178 | __be32 *data, drc_index, phandle;
| ^~~~~~~~~

Cc: Frederic Barrat <fbarrat@linux.ibm.com>
Cc: Andrew Donnellan <ajd@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200709065651.GY3500@dell
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Lee Jones and committed by
Greg Kroah-Hartman 017d740e 8965930c

+2 -2
+2 -2
drivers/misc/cxl/flash.c
··· 175 175 struct update_nodes_workarea *unwa; 176 176 u32 action, node_count; 177 177 int token, rc, i; 178 - __be32 *data, drc_index, phandle; 178 + __be32 *data, phandle; 179 179 char *buf; 180 180 181 181 token = rtas_token("ibm,update-nodes"); ··· 213 213 break; 214 214 case OPCODE_ADD: 215 215 /* nothing to do, just move pointer */ 216 - drc_index = *data++; 216 + data++; 217 217 break; 218 218 } 219 219 }