On 12/02/2016 10:24 PM, stefan.herbrechtsme...@weidmueller.de wrote:
> From: Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.de>
>
> The index of the zynq serial driver is always zero and could be removed.
>
> Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.de>
> Acked-by: Michal Simek <michal.si...@xilinx.com>
Even if this patch is delegated to Michal, i picked to this.
Applied on u-boot-mmc.
Best Regards,
Jaehoon Chung
>
> ---
>
> Changes in v3: None
> 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);
>
>
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