memory: omap-gpmc: Clear GPMC_CS_CONFIG7 register on restore if unused

We want to clear any unused GPMC_CS_CONFIG7 register on restore to
ensure unused chip selects are not enabled.

Cc: Roger Quadros <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: tmlind

drivers/memory/omap-gpmc.c

@@ -2595,6 +2595,8 @@ void omap3_gpmc_restore_context(void)
 				gpmc_context.cs_context[i].config6);
 			gpmc_cs_write_reg(i, GPMC_CS_CONFIG7,
 				gpmc_context.cs_context[i].config7);
+		} else {
+			gpmc_cs_write_reg(i, GPMC_CS_CONFIG7, 0);
 		}
 	}
 }