drm/i915: constify intel_dvo_dev_ops structures

The intel_dvo_dev_ops structures are never modified, so declare them as
const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>
Link: http://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/dvo.h

···
 	void (*dump_regs)(struct intel_dvo_device *dvo);
 };
 
-extern struct intel_dvo_dev_ops sil164_ops;
-extern struct intel_dvo_dev_ops ch7xxx_ops;
-extern struct intel_dvo_dev_ops ivch_ops;
-extern struct intel_dvo_dev_ops tfp410_ops;
-extern struct intel_dvo_dev_ops ch7017_ops;
-extern struct intel_dvo_dev_ops ns2501_ops;
+extern const struct intel_dvo_dev_ops sil164_ops;
+extern const struct intel_dvo_dev_ops ch7xxx_ops;
+extern const struct intel_dvo_dev_ops ivch_ops;
+extern const struct intel_dvo_dev_ops tfp410_ops;
+extern const struct intel_dvo_dev_ops ch7017_ops;
+extern const struct intel_dvo_dev_ops ns2501_ops;
 
 #endif /* _INTEL_DVO_H */

drivers/gpu/drm/i915/dvo_ch7017.c

···
 	}
 }
 
-struct intel_dvo_dev_ops ch7017_ops = {
+const struct intel_dvo_dev_ops ch7017_ops = {
 	.init = ch7017_init,
 	.detect = ch7017_detect,
 	.mode_valid = ch7017_mode_valid,

drivers/gpu/drm/i915/dvo_ch7xxx.c

···
 	}
 }
 
-struct intel_dvo_dev_ops ch7xxx_ops = {
+const struct intel_dvo_dev_ops ch7xxx_ops = {
 	.init = ch7xxx_init,
 	.detect = ch7xxx_detect,
 	.mode_valid = ch7xxx_mode_valid,

drivers/gpu/drm/i915/dvo_ivch.c

···
 	}
 }
 
-struct intel_dvo_dev_ops ivch_ops = {
+const struct intel_dvo_dev_ops ivch_ops = {
 	.init = ivch_init,
 	.dpms = ivch_dpms,
 	.get_hw_state = ivch_get_hw_state,

drivers/gpu/drm/i915/dvo_ns2501.c

···
 	}
 }
 
-struct intel_dvo_dev_ops ns2501_ops = {
+const struct intel_dvo_dev_ops ns2501_ops = {
 	.init = ns2501_init,
 	.detect = ns2501_detect,
 	.mode_valid = ns2501_mode_valid,

drivers/gpu/drm/i915/dvo_sil164.c

···
 	}
 }
 
-struct intel_dvo_dev_ops sil164_ops = {
+const struct intel_dvo_dev_ops sil164_ops = {
 	.init = sil164_init,
 	.detect = sil164_detect,
 	.mode_valid = sil164_mode_valid,

drivers/gpu/drm/i915/dvo_tfp410.c

···
 	}
 }
 
-struct intel_dvo_dev_ops tfp410_ops = {
+const struct intel_dvo_dev_ops tfp410_ops = {
 	.init = tfp410_init,
 	.detect = tfp410_detect,
 	.mode_valid = tfp410_mode_valid,