[v2,2/7] CMDLINE: drivers: of: ifdef out cmdline section
diff mbox series

Message ID 20210309000247.2989531-3-danielwa@cisco.com
State New, archived
Headers show
Series
  • Untitled series #488329
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Commit Message

Daniel Walker March 9, 2021, 12:02 a.m. UTC
It looks like there's some seepage of cmdline stuff into
the generic device tree code. This conflicts with the
generic cmdline implementation so I remove it in the case
when that's enabled.

Cc: xe-linux-external@cisco.com
Signed-off-by: Ruslan Ruslichenko <rruslich@cisco.com>
Signed-off-by: Daniel Walker <danielwa@cisco.com>
---
 drivers/of/fdt.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Christophe Leroy March 9, 2021, 7:36 a.m. UTC | #1
Le 09/03/2021 à 01:02, Daniel Walker a écrit :
> It looks like there's some seepage of cmdline stuff into
> the generic device tree code. This conflicts with the
> generic cmdline implementation so I remove it in the case
> when that's enabled.
> 
> Cc: xe-linux-external@cisco.com
> Signed-off-by: Ruslan Ruslichenko <rruslich@cisco.com>
> Signed-off-by: Daniel Walker <danielwa@cisco.com>
> ---
>   drivers/of/fdt.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index feb0f2d67fc5..e25240d84632 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -25,6 +25,7 @@
>   #include <linux/serial_core.h>
>   #include <linux/sysfs.h>
>   #include <linux/random.h>
> +#include <linux/cmdline.h>
>   
>   #include <asm/setup.h>  /* for COMMAND_LINE_SIZE */
>   #include <asm/page.h>
> @@ -1050,6 +1051,16 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
>   
>   	/* Retrieve command line */
>   	p = of_get_flat_dt_prop(node, "bootargs", &l);
> +
> +#ifdef CONFIG_GENERIC_CMDLINE
> +	/*
> +	 * The builtin command line will be added here, or it can override
> +	 * with the DT bootargs.
> +	 */
> +	cmdline_add_builtin(data,
> +			    (l > 0 ? p : NULL), /* This is sanity checking */
> +			    COMMAND_LINE_SIZE);

I don't think the comment is needed.
Without the comment, it should fit on a single line, would be better for readability and grepability.

> +#else
>   	if (p != NULL && l > 0)
>   		strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
>   
> @@ -1070,6 +1081,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
>   		strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
>   #endif
>   #endif /* CONFIG_CMDLINE */
> +#endif /* CONFIG_GENERIC_CMDLINE */
>   
>   	pr_debug("Command line is: %s\n", (char *)data);
>   
> 

Christophe

Patch
diff mbox series

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index feb0f2d67fc5..e25240d84632 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -25,6 +25,7 @@ 
 #include <linux/serial_core.h>
 #include <linux/sysfs.h>
 #include <linux/random.h>
+#include <linux/cmdline.h>
 
 #include <asm/setup.h>  /* for COMMAND_LINE_SIZE */
 #include <asm/page.h>
@@ -1050,6 +1051,16 @@  int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 
 	/* Retrieve command line */
 	p = of_get_flat_dt_prop(node, "bootargs", &l);
+
+#ifdef CONFIG_GENERIC_CMDLINE
+	/*
+	 * The builtin command line will be added here, or it can override
+	 * with the DT bootargs.
+	 */
+	cmdline_add_builtin(data,
+			    (l > 0 ? p : NULL), /* This is sanity checking */
+			    COMMAND_LINE_SIZE);
+#else
 	if (p != NULL && l > 0)
 		strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
 
@@ -1070,6 +1081,7 @@  int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 		strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
 #endif
 #endif /* CONFIG_CMDLINE */
+#endif /* CONFIG_GENERIC_CMDLINE */
 
 	pr_debug("Command line is: %s\n", (char *)data);