Hi Greg, Hi Jiri,
On Mon, 2014-10-06 at 12:07 +0200, Paul Bolle wrote:
> Commit 32726d2d5502 ("ARM: SAMSUNG: Remove legacy clock code") removed
> the Kconfig symbol SAMSUNG_CLOCK. Remove the last checks for its macro,
> and the dead code they hide, too.
>
> Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
> ---
> This trivial fix has been discussed for some time now in the thread
> starting at http://lkml.kernel.org/r/1405502840.4408.2.camel@x220 It
> seems it's time to submit it.
>
> Build tested on top of next-20141003, on x86_64 (!), with these horrific
> commands:
> make EXTRA_CFLAGS=-DCONFIG_SERIAL_SAMSUNG_UARTS=3 drivers/tty/serial/samsung.o
> make EXTRA_CFLAGS=-DCONFIG_SERIAL_SAMSUNG_UARTS=4 drivers/tty/serial/samsung.o
>
> Please note that
> make EXTRA_CFLAGS=-DCONFIG_SERIAL_SAMSUNG_UARTS=0 drivers/tty/serial/samsung.o
>
> doesn't build. Perhaps some "range" should be added to config
> SERIAL_SAMSUNG_UARTS. And I also wonder whether SERIAL_SAMSUNG_UARTS
> should be a dependency (somehow) of config SERIAL_SAMSUNG. I have not
> looked into those questions.
I noticed this still applies on top of next-20141103. Have you had time
to look at this yet?
> drivers/tty/serial/samsung.c | 27 ---------------------------
> 1 file changed, 27 deletions(-)
>
> diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
> index c78f43a481ce..796c04c77dc1 100644
> --- a/drivers/tty/serial/samsung.c
> +++ b/drivers/tty/serial/samsung.c
> @@ -1226,24 +1226,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
> return 0;
> }
>
> -#ifdef CONFIG_SAMSUNG_CLOCK
> -static ssize_t s3c24xx_serial_show_clksrc(struct device *dev,
> - struct device_attribute *attr,
> - char *buf)
> -{
> - struct uart_port *port = s3c24xx_dev_to_port(dev);
> - struct s3c24xx_uart_port *ourport = to_ourport(port);
> -
> - if (IS_ERR(ourport->baudclk))
> - return -EINVAL;
> -
> - return snprintf(buf, PAGE_SIZE, "* %s\n",
> - ourport->baudclk->name ?: "(null)");
> -}
> -
> -static DEVICE_ATTR(clock_source, S_IRUGO, s3c24xx_serial_show_clksrc, NULL);
> -#endif
> -
> /* Device driver serial port probe */
>
> static const struct of_device_id s3c24xx_uart_dt_match[];
> @@ -1329,12 +1311,6 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
> */
> clk_disable_unprepare(ourport->clk);
>
> -#ifdef CONFIG_SAMSUNG_CLOCK
> - ret = device_create_file(&pdev->dev, &dev_attr_clock_source);
> - if (ret < 0)
> - dev_err(&pdev->dev, "failed to add clock source attr.\n");
> -#endif
> -
> ret = s3c24xx_serial_cpufreq_register(ourport);
> if (ret < 0)
> dev_err(&pdev->dev, "failed to add cpufreq notifier\n");
> @@ -1348,9 +1324,6 @@ static int s3c24xx_serial_remove(struct platform_device *dev)
>
> if (port) {
> s3c24xx_serial_cpufreq_deregister(to_ourport(port));
> -#ifdef CONFIG_SAMSUNG_CLOCK
> - device_remove_file(&dev->dev, &dev_attr_clock_source);
> -#endif
> uart_remove_one_port(&s3c24xx_uart_drv, port);
> }
>
Paul Bolle
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