[U-Boot] [PATCH v2 2/4] serial: zynq: Remove unused index from get uart clock function

[Stefan Herbrechtsmeier]

The index of the zynq serial driver is always zero and could be removed.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.de>

---

Changes in v2:
- Remove unused index from get uart clock function

 arch/arm/mach-zynq/clk.c              | 3 +--
 arch/arm/mach-zynq/include/mach/clk.h | 2 +-
 drivers/serial/serial_zynq.c          | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-zynq/clk.c b/arch/arm/mach-zynq/clk.c
index 40383c1..e256b58 100644
--- a/arch/arm/mach-zynq/clk.c
+++ b/arch/arm/mach-zynq/clk.c
@@ -551,13 +551,12 @@ void zynq_clk_early_init(void)
 
 /**
  * get_uart_clk() - Get UART input frequency
- * @dev_index:	UART ID
  * Returns UART input clock frequency in Hz.
  *
  * Compared to zynq_clk_get_rate() this function is designed to work before
  * relocation and can be called when the serial UART is set up.
  */
-unsigned long get_uart_clk(int dev_index)
+unsigned long get_uart_clk(void)
 {
 	u32 reg = readl(&slcr_base->uart_clk_ctrl);
 	u32 div = (reg & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT;
diff --git a/arch/arm/mach-zynq/include/mach/clk.h b/arch/arm/mach-zynq/include/mach/clk.h
index 250c5bc..ba2210d 100644
--- a/arch/arm/mach-zynq/include/mach/clk.h
+++ b/arch/arm/mach-zynq/include/mach/clk.h
@@ -24,6 +24,6 @@ void zynq_clk_early_init(void);
 int zynq_clk_set_rate(enum zynq_clk clk, unsigned long rate);
 unsigned long zynq_clk_get_rate(enum zynq_clk clk);
 const char *zynq_clk_get_name(enum zynq_clk clk);
-unsigned long get_uart_clk(int dev_id);
+unsigned long get_uart_clk(void);
 
 #endif
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index 4f6e7e4..461ba86 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -134,7 +134,7 @@ int zynq_serial_setbrg(struct udevice *dev, int baudrate)
 		return ret;
 	}
 #else
-	clock = get_uart_clk(0);
+	clock = get_uart_clk();
 #endif
 	_uart_zynq_serial_setbrg(priv->regs, clock, baudrate);
 
-- 
2.7.4



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