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* [PATCH] soc: aspeed: uart-routing: Use __sysfs_match_string
@ 2023-06-28  8:37 Zev Weiss
  2023-07-10  4:22 ` Joel Stanley
  0 siblings, 1 reply; 2+ messages in thread
From: Zev Weiss @ 2023-06-28  8:37 UTC (permalink / raw)
  To: Andrew Jeffery, Joel Stanley, linux-aspeed
  Cc: Zev Weiss, Chia-Wei Wang, Oskar Senft, linux-arm-kernel,
	linux-kernel, openbmc

The existing use of match_string() caused it to reject 'echo foo' due
to the implicitly appended newline, which was somewhat ergonomically
awkward and inconsistent with typical sysfs behavior.  Using the
__sysfs_* variant instead provides more convenient and consistent
linefeed-agnostic behavior.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
---
 drivers/soc/aspeed/aspeed-uart-routing.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/aspeed/aspeed-uart-routing.c b/drivers/soc/aspeed/aspeed-uart-routing.c
index ef8b24fd1851..59123e1f27ac 100644
--- a/drivers/soc/aspeed/aspeed-uart-routing.c
+++ b/drivers/soc/aspeed/aspeed-uart-routing.c
@@ -524,7 +524,7 @@ static ssize_t aspeed_uart_routing_store(struct device *dev,
 	struct aspeed_uart_routing_selector *sel = to_routing_selector(attr);
 	int val;
 
-	val = match_string(sel->options, -1, buf);
+	val = __sysfs_match_string(sel->options, -1, buf);
 	if (val < 0) {
 		dev_err(dev, "invalid value \"%s\"\n", buf);
 		return -EINVAL;
-- 
2.40.0.5.gf6e3b97ba6d2.dirty


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] soc: aspeed: uart-routing: Use __sysfs_match_string
  2023-06-28  8:37 [PATCH] soc: aspeed: uart-routing: Use __sysfs_match_string Zev Weiss
@ 2023-07-10  4:22 ` Joel Stanley
  0 siblings, 0 replies; 2+ messages in thread
From: Joel Stanley @ 2023-07-10  4:22 UTC (permalink / raw)
  To: Zev Weiss
  Cc: Andrew Jeffery, linux-aspeed, Chia-Wei Wang, Oskar Senft,
	linux-arm-kernel, linux-kernel, openbmc

On Wed, 28 Jun 2023 at 08:43, Zev Weiss <zev@bewilderbeest.net> wrote:
>
> The existing use of match_string() caused it to reject 'echo foo' due
> to the implicitly appended newline, which was somewhat ergonomically
> awkward and inconsistent with typical sysfs behavior.  Using the
> __sysfs_* variant instead provides more convenient and consistent
> linefeed-agnostic behavior.

Nice.

Fixes: c6807970c3bc ("soc: aspeed: Add UART routing support")
Reviewed-by: Joel Stanley <joel@jms.id.au>

>
> Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
> ---
>  drivers/soc/aspeed/aspeed-uart-routing.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/soc/aspeed/aspeed-uart-routing.c b/drivers/soc/aspeed/aspeed-uart-routing.c
> index ef8b24fd1851..59123e1f27ac 100644
> --- a/drivers/soc/aspeed/aspeed-uart-routing.c
> +++ b/drivers/soc/aspeed/aspeed-uart-routing.c
> @@ -524,7 +524,7 @@ static ssize_t aspeed_uart_routing_store(struct device *dev,
>         struct aspeed_uart_routing_selector *sel = to_routing_selector(attr);
>         int val;
>
> -       val = match_string(sel->options, -1, buf);
> +       val = __sysfs_match_string(sel->options, -1, buf);
>         if (val < 0) {
>                 dev_err(dev, "invalid value \"%s\"\n", buf);
>                 return -EINVAL;
> --
> 2.40.0.5.gf6e3b97ba6d2.dirty
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2023-07-10  4:22 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2023-06-28  8:37 [PATCH] soc: aspeed: uart-routing: Use __sysfs_match_string Zev Weiss
2023-07-10  4:22 ` Joel Stanley

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