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Staging: greybus: uart: constify tty_port_operations structure
Declare tty_port_operations structure as const as it is only stored in the ops field of a tty_port structure which is a field of a gb_tty structure. The ops field is of type const struct tty_port_operations *, so tty_port_operations structures having this property can be declared as const. Done using Coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct tty_port_operations i@p = {...}; @ok1@ identifier r1.i; position p; struct gb_tty q; @@ q.port.ops=&i@p @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct tty_port_operations i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct tty_port_operations i; File size before: text data bss dec hex filename 7646 512 56 8214 2016 drivers/staging/greybus/uart.o File size after: text data bss dec hex filename 7710 448 56 8214 2016 drivers/staging/greybus/uart.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Johan Hovold <johan@kernel.org> Reviewed-by: David Lin <dtwlin@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -832,7 +832,7 @@ static const struct tty_operations gb_ops = {
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.tiocmset = gb_tty_tiocmset,
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};
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static struct tty_port_operations gb_port_ops = {
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static const struct tty_port_operations gb_port_ops = {
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.dtr_rts = gb_tty_dtr_rts,
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.activate = gb_tty_port_activate,
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.shutdown = gb_tty_port_shutdown,
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