[v2,2/7] CMDLINE: drivers: of: ifdef out cmdline section
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Message ID 20210308235319.2988609-3-danielwa@cisco.com
State New, archived
Headers show
Series
  • Generic Command Line changes
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Commit Message

Daniel Walker March 8, 2021, 11:53 p.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(+)

Patch
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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);