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Date:   Tue,  5 Oct 2021 12:58:00 +0300
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jiri Slaby <jirislaby@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] tty: serial: samsung: Improve naming for common macro

Having "_USI" suffix in EXYNOS_COMMON_SERIAL_DRV_DATA_USI() macro is
confusing. Rename it to just EXYNOS_COMMON_SERIAL_DRV_DATA() and provide
USI registers availability for all Exynos variants instead. While at it,
also convert .has_usi field type to bool, so its usage is more obvious.

Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
Changes in v2:
  - Converted .has_usi field to boolean
  - Used true/false instead of 1/0 values in
    EXYNOS_COMMON_SERIAL_DRV_DATA() macro

 drivers/tty/serial/samsung_tty.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index e2f49863e9c2..ca084c10d0bb 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -65,7 +65,7 @@ enum s3c24xx_port_type {
 struct s3c24xx_uart_info {
 	char			*name;
 	enum s3c24xx_port_type	type;
-	unsigned int		has_usi;
+	bool			has_usi;
 	unsigned int		port_type;
 	unsigned int		fifosize;
 	unsigned long		rx_fifomask;
@@ -2780,7 +2780,7 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
 #endif
 
 #if defined(CONFIG_ARCH_EXYNOS)
-#define EXYNOS_COMMON_SERIAL_DRV_DATA_USI(_has_usi)		\
+#define EXYNOS_COMMON_SERIAL_DRV_DATA(_has_usi)			\
 	.info = &(struct s3c24xx_uart_info) {			\
 		.name		= "Samsung Exynos UART",	\
 		.type		= TYPE_S3C6400,			\
@@ -2804,21 +2804,18 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
 		.has_fracval	= 1,				\
 	}							\
 
-#define EXYNOS_COMMON_SERIAL_DRV_DATA				\
-	EXYNOS_COMMON_SERIAL_DRV_DATA_USI(0)
-
 static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
-	EXYNOS_COMMON_SERIAL_DRV_DATA,
+	EXYNOS_COMMON_SERIAL_DRV_DATA(false),
 	.fifosize = { 256, 64, 16, 16 },
 };
 
 static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
-	EXYNOS_COMMON_SERIAL_DRV_DATA,
+	EXYNOS_COMMON_SERIAL_DRV_DATA(false),
 	.fifosize = { 64, 256, 16, 256 },
 };
 
 static struct s3c24xx_serial_drv_data exynos850_serial_drv_data = {
-	EXYNOS_COMMON_SERIAL_DRV_DATA_USI(1),
+	EXYNOS_COMMON_SERIAL_DRV_DATA(true),
 	.fifosize = { 256, 64, 64, 64 },
 };
 
-- 
2.30.2

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