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tty/serial: Migrate sunhv to use has_sysrq
The SUPPORT_SYSRQ ifdeffery is not nice as: - May create misunderstanding about sizeof(struct uart_port) between different objects - Prevents moving functions from serial_core.h - Reduces readability (well, it's ifdeffery - it's hard to follow) In order to remove SUPPORT_SYSRQ, has_sysrq variable has been added. Initialise it in driver's probe and remove ifdeffery. Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Dmitry Safonov <dima@arista.com> Link: https://lore.kernel.org/r/20191213000657.931618-46-dima@arista.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -25,10 +25,6 @@
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#include <asm/irq.h>
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#include <asm/irq.h>
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#include <asm/setup.h>
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#include <asm/setup.h>
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#if defined(CONFIG_MAGIC_SYSRQ)
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#define SUPPORT_SYSRQ
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#endif
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#include <linux/serial_core.h>
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#include <linux/serial_core.h>
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#include <linux/sunserialcore.h>
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#include <linux/sunserialcore.h>
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@ -552,6 +548,7 @@ static int hv_probe(struct platform_device *op)
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sunhv_port = port;
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sunhv_port = port;
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port->has_sysrq = 1;
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port->line = 0;
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port->line = 0;
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port->ops = &sunhv_pops;
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port->ops = &sunhv_pops;
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port->type = PORT_SUNHV;
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port->type = PORT_SUNHV;
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