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Message-Id: <20240202212448.74840-1-m.shams@samsung.com>
Date: Sat, 3 Feb 2024 02:54:47 +0530
From: Tamseel Shams <m.shams@...sung.com>
To: alim.akhtar@...sung.com, linux-fsd@...la.com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org, Tamseel Shams <m.shams@...sung.com>
Subject: [PATCH 1/2] serial: samsung: honor fifosize from dts at first
Currently for platforms which passes UART fifosize from DT gets
override by local driver structure "s3c24xx_serial_drv_data",
which is not indentded. Change the code to honor fifosize from
device tree at first.
Signed-off-by: Tamseel Shams <m.shams@...sung.com>
---
drivers/tty/serial/samsung_tty.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 71d17d804fda..e4c4c9f4f9b0 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -1990,8 +1990,7 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
}
if (np) {
- of_property_read_u32(np,
- "samsung,uart-fifosize", &ourport->port.fifosize);
+ ret = of_property_read_u32(np, "samsung,uart-fifosize", &ourport->port.fifosize);
if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
switch (prop) {
@@ -2009,10 +2008,13 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
}
}
- if (ourport->drv_data->fifosize[index])
- ourport->port.fifosize = ourport->drv_data->fifosize[index];
- else if (ourport->info->fifosize)
- ourport->port.fifosize = ourport->info->fifosize;
+ if (ret) {
+ if (ourport->drv_data->fifosize[index])
+ ourport->port.fifosize = ourport->drv_data->fifosize[index];
+ else if (ourport->info->fifosize)
+ ourport->port.fifosize = ourport->info->fifosize;
+ }
+
ourport->port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_SAMSUNG_CONSOLE);
/*
--
2.17.1
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